Diesel Fuel Filters

R12T Fuel Filter Water Separator — Complete Combo Kit R12T Marine Fuel Water Separator — 10 Micron, 30 GPH, Replaces Racor S3240 / 120AT, NPT ZG1/4-19. Fits gas & diesel engines on boats, trucks, tractors, and generators. Complete combo kit includes the spin-on filter housing, two inlet/outlet fittings, two plugs, and a reusable clear nylon collection bowl with self-venting drain valve. 📋 Key Takeaways ✅ Complete combo kit — no separate parts to buy ✅ 10-micron filtration — removes water and particles down to 10 microns ✅ 30 GPH flow rate — supports engines up to 300HP ✅ NPT ZG1/4-19 ports with M18×1.5 center thread ✅ Reusable nylon collection bowl with self-venting drain valve ✅ Replaces Racor S3240, 120AT, Sierra 18-7987, RK10222 Features & Benefits Feature Benefit 10-Micron Filtration Media Captures emulsified water and fine particles before they reach your injectors — prevents injector seizure and CP4 pump failure 30 GPH Flow Rate Supports high-performance and fleet diesel engines without fuel starvation Clear Nylon Collection Bowl Visual inspection of water accumulation at a glance — no guesswork needed Self-Venting Drain Valve Tighten to seal, release to drain — service in under 2 minutes without tools Dual-Sided Port Configuration Inlet/outlet can run same-side or opposite-side to fit any engine bay layout Powder-Coated Steel Housing Electrostatic coating resists corrosion from saltwater, road salt, and diesel fuel Spin-On Design Tool-free filter replacement — just spin off the old, spin on the new Compatibility & Cross-Reference Part Number Brand R12T / 120AT Racor / Parker S3240 Racor 18-7987 Sierra Marine RK10222 Sierra Common Applications Diesel trucks — Duramax, Powerstroke, Cummins fuel system protection Marine engines — Yanmar, Volvo Penta, Mercury, Yamaha outboard/inboard Agricultural equipment — Kubota, John Deere, CAT, Case IH tractors Generators — Cummins Onan, CAT standby generators Off-road equipment — excavators, skid steers, bulldozers Specifications Part Number FJ-R12T (iFJF) Filter Type Spin-On Fuel Filter / Water Separator Micron Rating 10 Micron Flow Rate 30 GPH (114 LPH) Port Size NPT ZG1/4-19 (M18×1.5 Center Thread) Bowl Material Clear Nylon (Reusable, Self-Venting) Housing Material Powder-Coated Steel (Corrosion Resistant) Includes 1× Filter Assembly, 2× Fittings, 2× Plugs, 1× Nylon Bowl Why Choose iFJF? We built the R12T to match — and in many ways exceed — the OEM Racor specification. Every unit is: 🔍 Factory-tested for 10-micron filtration efficiency and 30 GPH flow rate 🛡️ Powder-coated inside and out for rust-free service life in marine environments 📦 Ready to install — includes fittings, plugs, and drain bowl in one box 💰 Priced for boat and fleet owners — premium filtration without the OEM markup Want to see how the R12T stacks up against the genuine Racor? Read our R12T vs Racor 120A comparison review → Looking for the upgradable R12H system (replace only the filter element, not the whole housing)? Check out the R12H Filter Element here → Frequently Asked Questions What's the difference between R12T and R12H? The R12T is a complete disposable filter assembly — when it clogs, you replace the entire unit including the housing. The R12H system is upgradeable: you keep the aluminum housing and only swap the filter cartridge. If you do frequent filter changes, the R12H upgrade pays for itself within 2-3 services. Does this fit my boat/diesel engine? The R12T fits any engine with NPT ZG1/4-19 (M18×1.5 center thread) ports. It's commonly used on Yanmar, Volvo Penta, Mercury, Cummins, and Kubota engines. The 30 GPH flow rate supports engines up to approximately 300HP. If you're unsure about fitment, contact us with your engine model. How often should I replace the R12T filter? Replace every 100-200 hours of engine operation, or annually — whichever comes first. In marine environments or if you use biodiesel, inspect the clear bowl at every fill-up and drain water as needed. Visual inspection: if the bowl shows more than 1/2" of water or the filter media appears dark/saturated, replace immediately. How do I drain water from the R12T bowl? Simply loosen the drain valve at the bottom of the clear nylon bowl — water and contaminants will drain out by gravity. Tighten the valve to seal. No tools required. Pro tip: keep a small catch cup under the bowl before opening the valve to avoid diesel on your bilge or garage floor. Can I use this with biodiesel? Yes — the R12T is compatible with B5-B20 biodiesel blends. However, biodiesel tends to hold more dissolved water than petroleum diesel, so we recommend more frequent bowl draining (every 25-50 hours) when running biodiesel. The powder-coated steel housing resists the higher corrosion potential of biodiesel blends. What cross-reference replacements match this filter? This R12T replaces: Racor S3240 / 120AT, Sierra 18-7987 / RK10222. It shares the same 10-micron rating, NPT ZG1/4-19 port size, and 30 GPH flow rate as the OEM Racor unit — at a more competitive price point. How do I install the R12T fuel filter assembly? Remove the old filter by spinning it counterclockwise (have a catch pan ready for residual fuel) Clean the mounting bracket surface and apply a thin film of diesel to the new filter's gasket Screw in the two inlet/outlet fittings (choose same-side or opposite-side configuration) Install the two plugs in the unused ports Spin the new R12T onto the mounting head clockwise until the gasket contacts, then tighten 3/4 turn by hand — do not overtighten Prime the system using the manual primer pump and check for leaks at all four ports Package Includes 1 × R12T Fuel Filter / Water Separator Complete Assembly 2 × NPT ZG1/4-19 Inlet/Outlet Fittings 2 × NPT ZG1/4-19 Plugs 1 × Clear Nylon Collection Bowl with Self-Venting Drain

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R12H Filter Element 2-Pack — Double the Protection, Half the Hassle Stock up and save with the iFJF R12H 10-micron replacement filter element twin pack. Keep one on your boat and one in your maintenance kit — never run your engine with a clogged filter again. Designed exclusively for the R12H aluminum fuel water separator assembly. Why Buy the 2-Pack? 💰 Save vs. Buying Singles — Two elements at a bundled price beats buying individually. ⛵ Always Ready at Sea — Keep a spare onboard. When water contamination hits mid-voyage, you can swap in minutes. 🔧 Fleet & Workshop Friendly — If you maintain multiple boats, diesel trucks, or equipment, the 2-pack keeps your service bay stocked. 📦 Free Storage — Filter elements don't expire. Buy now, use when you need them. Key Features 10-Micron Advanced Filtration — Removes water and contaminants as small as 10 microns from your fuel system. Precision Fit for R12H Assembly — Drop-in replacement, zero modifications required. 15 GPH Flow Rate — Maintains full fuel flow for high-performance marine and diesel applications. High-Capacity Media — Extended service life compared to generic alternatives. Genuine iFJF Quality — Not a generic substitute. Engineered to the exact specifications of our R12H system. Compatibility ⚠️ Exclusively for iFJF R12H Fuel Water Separator Assembly. Not compatible with sealed R12T units. Replaces filter cartridges in assemblies that match S3240, 120AT, 18-7987, RK10222 form factors. Specifications Pack Size 2 Filter Elements Filtration Rating 10 Micron Compatible Assembly iFJF R12H Fuel Water Separator Flow Rate 15 GPH (per element, in R12H assembly) Replaces Part # S3240 · 120AT · 18-7987 · RK10222 Recommended Interval Every 100 hours or annually per element Installation — Quick & Simple Shut off fuel supply to the R12H assembly Unscrew the aluminum housing Remove the old filter element (firm push required) Lubricate the O-rings with clean fuel Insert the new element, reassemble, and fill with fuel Start engine — done in under 10 minutes! Frequently Asked Questions Q: Two elements — how long will they last?A: With recommended 100-hour replacement intervals, a 2-pack covers up to 200 operating hours or 2 years of seasonal boating. Q: Buy 2-pack or single?A: If you plan on keeping your boat/truck for more than one season, the 2-pack saves you money plus you always have a spare. Need just one? Single pack here. Q: Don't have the R12H assembly yet?A: Get the complete R12H combo here — includes the aluminum housing + 3 filter elements + all fittings. Complete Your Setup 🛒 R12H Complete Assembly — The full system with aluminum housing 🛒 Single Filter Element — Individual replacement cartridge R12T Fuel Filter Water Separator Complete Combo Kit →

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Marine-Grade Fuel Water Separator — Protect Your Engine, Save on Maintenance R12H Marine Fuel Water Separator — 10 Micron, 15 GPH, Aluminum Alloy, Replaces Racor S3240 / 120AT, NPT ZG1/4-19. Upgraded detachable filter element design: replace only the cartridge, keep the housing — saves up to 60% vs. disposable units. Complete kit includes aluminum housing, 3 filter elements, 4 O-rings, 2 inlet/outlet fittings, and 2 plugs. Key Features Detachable Spin-On Design — Replace only the filter element, not the entire unit. Quick tool-free cartridge swaps. Aluminum Alloy Body + Powder Coating — Superior corrosion resistance against seawater and harsh marine environments. Built to outlast iron/steel alternatives. 15 GPH High Flow Rate — Engineered for high-performance marine and diesel applications. Maintains fuel pressure under load. 10-Micron Advanced Filtration — High-capacity filter media removes water and particles as small as 10 microns for clean, water-free fuel delivery. Transparent Nylon Collection Bowl with Drain Valve — Visually inspect water accumulation and drain with a simple twist of the black valve. What's Included (Complete Combo) 1 x R12H Fuel Water Separator Assembly (aluminum housing + base) 3 x Filter Elements (1 installed + 2 bonus spares) 4 x O-Rings (2 installed + 2 bonus spares) 2 x NPT/ZG1/4-19 Connection Fittings 2 x Plugs for unused ports Installation Instructions Specifications Model R12H (R12T Upgrade) Material Aluminum Alloy + Powder Coating Flow Rate 15 GPH (57 LPH) Filtration 10 Micron Port Size NPT / ZG1/4-19 Filter Type Spin-On, Replaceable Cartridge Replaces Part # S3240, 120AT, 18-7987, RK10222, R12T Applications Marine boats, diesel trucks, generators, oil storage equipment Easy Installation — No Professional Tools Required (Boats) Designed for DIY boat owners. Comes with detailed step-by-step instructions: Apply fuel to both O-rings for lubrication before assembly Mount the unit securely — use screws on a wood board (min 1cm) with marine adhesive if you prefer not to drill into your boat Fill the filter housing completely with fuel before starting the engine to prevent air-lock Periodically check the collection bowl and drain accumulated water via the drain valve For automotive/diesel truck installation, professional installation is recommended. Frequently Asked Questions Q: What is the difference between R12H and R12T?A: The R12T has a sealed, non-removable filter element — you must replace the entire housing. The R12H has a detachable cartridge: keep the housing, replace only the internal filter, saving you money every service. Q: Will this fit my boat?A: As long as you have sufficient mounting space, it works for boats, cars, diesel trucks, and fuel storage equipment. Ports: NPT/ZG1/4-19. Q: Why won't my engine start after installation?A: You must fill the filter housing completely with fuel before starting. An empty filter causes air-lock and starting failure. Q: How often should I replace the filter element?A: Every 100 hours of operation or annually, whichever comes first. Check the transparent bowl regularly for water accumulation. Q: Is this compatible with Racor / Sierra / Yamaha systems?A: This replaces S3240 and 120AT filter elements commonly used across marine brands. Verify your port size (NPT/ZG1/4-19) and mounting space before ordering. WHOLESALE INQUIRIES Bulk pricing available for marine dealers, fleet operators, and distributors. Contact us for wholesale discounts. R12T Fuel Filter Water Separator Complete Combo Kit →

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GF652 / FF5026 Professional Inline Fuel Filter The GF652 (FF5026) inline fuel filter is a universal-fit replacement for millions of GM trucks and SUVs from 1988-2006. With a durable metal housing and high-flow design, this filter provides reliable fuel filtration for both gasoline and diesel applications. Key Features Metal Housing Construction — More durable than plastic alternatives; withstands under-vehicle conditions High-Flow Design — Supports engines up to 500+ HP without restriction Universal Fit — 3/8" inlet/outlet fits most GM truck and SUV fuel lines Effective Filtration — Removes rust, dirt, and debris from fuel before it reaches your injectors Direct Replacement — Cross-references GF652, FF5026, 33481, G3727 Compatibility Year Make Models 1988-1999 Chevrolet / GMC C1500, C2500, C3500, K1500, K2500, K3500 1995-2004 Chevrolet Tahoe, Suburban, Blazer 1999-2006 Chevrolet / GMC Silverado 1500, Sierra 1500, 2500HD FAQ Q: How often should I replace this filter?A: Every 15,000-30,000 miles or annually. Replace immediately if you experience power loss or hesitation. Q: Does this work with E85 or biodiesel?A: Yes. The metal housing and internal components are compatible with ethanol blends and biodiesel up to B20. Q: Is installation difficult?A: No. It's a simple inline filter swap — disconnect the old filter, connect this one, secure the bracket. Basic hand tools only.

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R12H Replacement Filter Element — Keep Your Marine Fuel System at Peak Performance This is the genuine iFJF R12H 10-micron replacement filter cartridge, designed exclusively for the R12H fuel water separator assembly. Unlike the older R12T (which forces you to replace the entire housing), the R12H system lets you swap only the filter element — saving you money every service while maintaining the same high-performance filtration. Key Features 10-Micron High-Capacity Filtration — Advanced filter media captures water and particles as small as 10 microns, ensuring clean, water-free fuel reaches your engine. Drop-In Replacement for R12H Assembly — Designed to fit the iFJF R12H aluminum housing perfectly. No modifications, no adapters needed. Cost-Effective Maintenance — Replace only the filter element, not the entire unit. A $13.99 cartridge vs. replacing a whole separator system. Marine & Diesel Ready — Built for the demands of saltwater marine environments, diesel trucks, generators, and fuel storage equipment. High Flow Design — Maintains 15 GPH flow rate when installed in the R12H assembly, ensuring consistent fuel delivery under load. Compatibility — Fits ONLY the iFJF R12H Assembly ⚠️ Important: This filter element is designed exclusively for the iFJF R12H fuel water separator housing. It replaces internal cartridges in assemblies that fit S3240, 120AT, 18-7987, and RK10222 form factors. ✅ Compatible with: iFJF R12H Fuel Water Separator Assembly ❌ NOT compatible with: Older R12T sealed units (the R12T cannot accept replacement cartridges) Specifications Product R12H Replacement Filter Element (1 Pack) Filtration Rating 10 Micron Compatible Assembly iFJF R12H Fuel Water Separator (Aluminum Housing) Replaces Part # S3240 · 120AT · 18-7987 · RK10222 (filter element only) Flow Rate 15 GPH (when installed in R12H assembly) Material High-efficiency cellulose/synthetic blend filter media Recommended Replacement Interval Every 100 hours of operation or annually When to Replace Your Filter Element 🔴 Engine hesitation or power loss under load 🔴 Visible water in the transparent collection bowl 🔴 More than 100 operating hours since last change 🔴 Annual preventive maintenance schedule 🔴 After any fuel contamination event Frequently Asked Questions Q: Will this fit the older R12T unit?A: No. The R12T is a sealed unit with a non-removable filter — you must upgrade to the R12H assembly to use replacement cartridges. This is why the R12H saves you money long-term. Q: How do I install the replacement element?A: 1) Shut off fuel supply. 2) Unscrew the R12H housing. 3) Remove old element (may require firm push). 4) Insert new element. 5) Lubricate O-rings with clean fuel. 6) Reassemble and fill with fuel before starting. Q: How many elements come in this package?A: This is a single (1-pack). We also offer a cost-saving 2-pack. Q: Do I have the R12H assembly?A: If your fuel water separator has a detachable aluminum housing with a replaceable internal cartridge, you have the R12H. Need the assembly? Shop here. Complete Your Fuel System 🛒 R12H Complete Assembly — The full aluminum housing + 3 elements combo 🛒 2-Pack Filter Elements — Save more with a twin pack 📖 See our 20K-view customer review: R12T vs R12H comparison & install guide → R12T Fuel Filter Water Separator Complete Combo Kit →

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PL420 Fuel Water Separator Filter — 30 Micron Spin-On Protection The iFJF PL420 Fuel Water Separator Filter is a high-efficiency spin-on filter designed to remove water, rust, sand, dirt, and metal particles from your diesel, gasoline, or biodiesel fuel system. Built for standard 420-series filter housings, this water separator protects your engine's fuel pump, injectors, and combustion chamber from contamination damage. Key Features 30 Micron Absolute Filtration — Captures harmful particles 30 microns and larger, including carbon, sand, rust, and metal debris Water Separation — Hydrophobic filter media separates emulsified water from fuel, preventing injector rust and microbial growth Multi-Fuel Compatible — Safe for diesel, gasoline, biodiesel, and blended fuels Spin-On Design — Tool-free replacement — simply spin off old filter and spin on the new one in minutes Universal 420-Series Fit — Fits standard engine fuel filter assembly 420 housings Compatibility The PL420 fuel water separator fits any fuel filter assembly that accepts 420-series spin-on filters. Common applications include: Stationary diesel generators (standby & prime power) Agricultural equipment — tractors, harvesters, sprayers Marine diesel engines — inboard, stern drive, auxiliary Light truck and automotive diesel fuel systems Biodiesel processing and storage equipment Industrial engine applications ⛽ Need Replacement Filter Elements? 🔄 PL420 Replacement Filter Element This is the complete spin-on filter assembly. If you only need the internal filter element (replacement cartridge), we carry that too: Shop PL420 Filter Element → — 30 micron, multi-fuel compatible, includes protective sheet. Specifications Filter Type Spin-On Fuel Water Separator Model PL420 Filtration Rating 30 Micron Function Water Separation + Particulate Filtration Fuel Compatibility Diesel, Gasoline, Biodiesel Brand iFJF Direct Why Water Separation Matters Water in fuel is the #1 enemy of modern fuel injection systems. Even trace amounts cause: Injector Corrosion — Water causes rust inside high-pressure injectors (replacement: $1,500-$4,000+) Microbial Growth — Diesel bug (bacteria + fungi) thrives at the fuel-water interface, clogging filters Freeze Damage — Water freezes in winter, blocking fuel lines and leaving you stranded Poor Combustion — Water-contaminated fuel reduces power and fuel economy FAQ Q: How often should I replace this filter?A: Replace every 500 operating hours or annually, whichever comes first. For biodiesel applications, replace every 250 hours. Q: What's the difference between this and the filter element?A: This is the complete spin-on filter assembly (housing + element). The PL420 Filter Element is the replacement cartridge that goes inside your existing housing. If you already have the assembly, just buy the element. Q: Does this include the filter element?A: Yes — this is a complete spin-on unit with the filter element pre-installed. For replacement cartridges, check our PL420 Filter Element listing. Q: Will this fit my [X] engine?A: If your engine uses a standard 420-series spin-on filter housing, this fits. Check your current filter model — if it shows PL420 or equivalent, this is your replacement. Q: Does this filter biodiesel?A: Yes — the filter media is designed to handle biodiesel blends up to B100. However, we recommend more frequent replacement when running biodiesel due to its solvent properties.

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149-2513 Fuel Filter — Cummins Onan RV Quiet Diesel Generator Replacement The iFJF 149-2513 Fuel Filter is a premium OEM-spec replacement for Cummins Onan Quiet Diesel RV generators. With 5-micron filtration and high-flow design, this spin-on filter protects your generator's fuel injection system from contaminants that cause poor performance and expensive repairs. Generator Compatibility Cummins Onan Quiet Diesel Series: HDKAH (Spec A through K) HDKAJ (Spec A through K) HDKAK (Spec A through K) HDKBA (Spec A through E) HDKCA (Spec A through F) HDKCB (Spec A through F) HDCAA (Spec A through D) HDCAB (Spec A through D) OEM / Cross-Reference Numbers Primary OEM 149-2513, 1492513 Cummins / Onan 25010487 Cross-Reference BF806, FF236, 33063, P55-0888, F50033, PF-888, TP-888, ALG-888, FP-888, P77-9307 Features 5-Micron Filtration — Removes 98% of carbon, sand, dirt, metal debris, and other harmful particles 5 microns and above High-Flow Design — Engineered for the fuel demands of RV generators without restricting flow Spin-On Installation — Simple screw-on replacement — no special tools needed Multi-Model Fit — One filter covers 8+ Quiet Diesel generator models Extended Service Life — Durable filter media designed for Cummins' recommended 500-hour service interval Why Replace Your Generator Fuel Filter? Cummins Onan recommends fuel filter replacement every 500 hours or annually on Quiet Diesel generators. Signs you need a new filter include: Generator surging or hunting under load Hard starting or failure to start Reduced power output Increased fuel consumption Black smoke from exhaust FAQ Q: Does this fit all Quiet Diesel models?A: This fits HDKAH, HDKAJ, HDKAK, HDKBA, HDKCA, HDKCB, HDCAA, and HDCAB spec models. Check your generator's spec letter on the data plate. Q: How do I install this?A: This is a spin-on filter — use an oil filter wrench to remove the old filter, apply a thin film of diesel to the new filter's gasket, and hand-tighten. Prime the fuel system before starting. Q: Is this a genuine Cummins part?A: This is a high-quality OEM-spec replacement manufactured by iFJF Direct. It is not a Cummins-branded part but meets or exceeds Cummins filtration specifications.

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23390-0L070 Diesel Fuel Filter — OEM Replacement for Toyota Hilux, Fortuner & Innova (2016-2018) The iFJF 23390-0L070 Diesel Fuel Filter is a precision-engineered OEM replacement for Toyota's D-4D common rail diesel engines. Designed for the 2.4L (2GD-FTV) and 2.8L (1GD-FTV) turbo diesel engines found in the Hilux, Fortuner, and Innova, this filter provides superior fuel system protection at a fraction of the dealer price. Vehicle Compatibility Toyota Hilux — 2016-2018 (2.4L 2GD-FTV / 2.8L 1GD-FTV diesel) Toyota Fortuner — 2016-2018 (2.4L & 2.8L diesel) Toyota Innova — 2016-2018 (2.4L & 2.8L diesel) OEM Cross-Reference OEM Part Number 23390-0L070 Alternative OEM 23390-0L090, 233900L070 Features & Benefits High Filtration Efficiency — Advanced synthetic fiber media removes 98%+ of iron oxide, dust, sand, and solid fuel contaminants Low Flow Resistance — Engineered for optimal fuel flow rate to maintain performance under load Extended Service Life — Durable construction designed for Toyota's recommended replacement intervals Protects Common Rail System — Clean fuel is critical for D-4D common rail injectors — this filter prevents costly injector damage Environmentally Friendly — Metal-free design, fully recyclable filter media Direct Fit — No modifications required — simply remove old filter and install Specifications Filter Type Engine Fuel Filter Element Media Synthetic Fiber OEM Numbers 23390-0L070, 23390-0L090 Brand iFJF Direct Why Replace Your Fuel Filter? Toyota recommends fuel filter replacement every 40,000 km (25,000 miles) for diesel Hilux/Fortuner/Innova models. Symptoms of a clogged filter include hesitation under acceleration, reduced fuel economy, hard starting, and engine warning lights. Neglected fuel filters are the #1 cause of premature common rail injector failure — a repair that can cost $3,000+. FAQ Q: Does this fit my 2019 Hilux?A: This filter covers 2016-2018 model years. Check your existing filter part number — if it matches 23390-0L070 or 23390-0L090, this fits regardless of year. Q: Is this a genuine Toyota part?A: This is a high-quality OEM-spec replacement manufactured by iFJF Direct to meet or exceed Toyota specifications. It is not a Toyota-branded part. Q: How do I know when to replace it?A: Toyota recommends every 40,000 km. If you experience rough idle, power loss, or the check engine light illuminates, inspect the fuel filter immediately.

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PL420 Fuel Tank Filter Element — 30 Micron Protection for Diesel & Gasoline Engines The iFJF PL420 Fuel Tank Filter Element is a high-efficiency 30-micron replacement filter cartridge designed for engine fuel filter assemblies. Compatible with diesel, gasoline, and biodiesel fuel systems, this filter provides reliable contamination protection for your engine's fuel delivery system. Key Features 30 Micron Filtration — Removes harmful particles including rust, sand, dirt, and metal debris from your fuel Multi-Fuel Compatible — Works with diesel, gasoline, and biodiesel fuel systems Protective Sheet Included — Built-in protective sheet extends filter life and prevents debris bypass Direct Replacement — Drop-in replacement for OEM PL420 fuel filter elements Universal Application — Fits most engine fuel filter assembly 420 type housings 🛒 Need the Complete Filter Assembly? 🔧 PL420 Complete Fuel Water Separator This is the replacement filter element (cartridge only). If you need the complete spin-on fuel water separator assembly (filter housing + element pre-installed), check out: Shop PL420 Fuel Water Separator → — Complete spin-on assembly, 30 micron, water separation + particulate filtration in one unit. Compatibility This filter element is designed for universal engine fuel filter assemblies that accept the PL420 / 420-series element. Common applications include: Stationary diesel generators Agricultural equipment fuel systems Marine diesel engine fuel filtration Light truck and automotive fuel tank filter assemblies Biodiesel processing equipment Specifications Model PL420 Filtration Rating 30 Micron Fuel Compatibility Diesel, Gasoline, Biodiesel Includes Protective Sheet Yes Brand iFJF Direct Why Replace Your Fuel Filter? Dirty or clogged fuel filters cause poor engine performance, hard starts, reduced fuel economy, and can lead to expensive fuel injector damage. Replacing your PL420 filter element at regular intervals is the easiest way to protect your fuel system and keep your engine running smoothly. FAQ Q: How often should I replace this filter?A: Replace every 500 hours of operation or annually, whichever comes first. For biodiesel applications, replace every 250 hours. Q: Does this fit my [specific engine]?A: The PL420 fits standard 420-series fuel filter housings. Check your existing filter model number — if it's PL420 or equivalent, this fits. Q: What micron rating is this?A: 30 micron absolute — ideal for fuel tank and primary filtration applications. Q: What's the difference between this element and the complete separator?A: This is the replacement cartridge for your existing filter housing. If you need the whole assembly, get the PL420 Fuel Water Separator — it comes with the element pre-installed and ready to spin on.

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