Powerstroke Parts

Fuel Return Line Quick-Disconnect Connector for 2017-2020 Ford 6.7L Powerstroke If you smell diesel fuel near the passenger side of your 6.7L Powerstroke engine bay, there's a good chance the fuel return line connector is the culprit. This plastic quick-disconnect fitting lives in one of the hottest areas of the engine compartment and, over time, the locking tabs fatigue, the internal O-rings harden, and fuel begins to weep. What starts as a damp spot becomes a drip, and a drip becomes a low-pressure fuel leak that affects engine performance and creates a fire hazard. This direct-replacement connector restores a factory-tight seal on your fuel return circuit. Key Features OEM-Equivalent Quick-Disconnect: Engineered to the same dimensional specifications as Ford part HC3Z-9A564-A, ensuring a positive lock and leak-free seal on the fuel return line junction. Heat-Resistant Construction: Molded from high-temperature nylon formulated for continuous exposure to under-hood temperatures exceeding 250°F — it won't soften, deform, or lose locking tension like generic plastic fittings. Pre-Installed Viton O-Rings: The internal sealing O-rings are Viton (FKM) compound, not cheap Buna-N — Viton maintains elasticity and sealing force through diesel fuel exposure and extreme temperature cycling. Correct Locking Tab Profile: The locking tabs have the right spring tension and engagement depth to click firmly into place and stay locked — no false engagement, no unexpected disconnection from engine vibration. Wide Application Coverage: Fits all 2017-2020 Ford Super Duty trucks with the 6.7L Powerstroke, including F-250, F-350, F-450, and F-550 chassis cabs — one part number covers the entire lineup. Vehicle Compatibility Make Model Years Engine Ford F-250 Super Duty 2017-2020 6.7L Powerstroke V8 Turbo Diesel Ford F-350 Super Duty 2017-2020 6.7L Powerstroke V8 Turbo Diesel Ford F-450 Super Duty 2017-2020 6.7L Powerstroke V8 Turbo Diesel Ford F-550 Super Duty 2017-2020 6.7L Powerstroke V8 Turbo Diesel Technical Specifications Specification Value Part Type Fuel Return Line Quick-Disconnect Connector Replaces OEM HC3Z-9A564-A (Ford), FD-4625 (Dorman/Aftermarket) Fitting Type Push-To-Connect Quick-Disconnect Body Material High-Temperature Nylon Composite Internal O-Ring Material Viton (FKM) — Diesel and Heat Resistant Locking Mechanism Dual Spring-Loaded Locking Tabs Fuel Circuit Fuel Return Line (Low Pressure Side) Line Size Compatibility Standard 6.7L Powerstroke Return Line Diameter How to Identify a Failing Return Line Connector Diesel fuel odor in the cab or engine bay: Even a small weep from the return line connector produces a strong diesel smell, especially noticeable after shutdown when the engine is heat-soaked. Wet or damp appearance on the connector body: Inspect the connector with a flashlight — look for fuel staining, dampness, or accumulated dirt that's been attracted by fuel residue. Loose or wobbly connection: The connector should be firmly seated with no side-to-side play. If you can wiggle it by hand, the locking tabs are worn beyond their service life. Visible cracking or stress marks on the connector body: Nylon that's been over-heat-cycled will show white stress marks (crazing) before it cracks. This is your early warning sign. Fuel drip on the ground near the passenger-side front wheel: Return line leaks often track down the frame rail and drip in this location, making them easy to misdiagnose as a fuel tank or filler neck issue. Installation Instructions Relieve fuel system pressure by removing the fuel pump fuse (fuse #40 in the under-hood fuse box) and running the engine until it stalls before disconnecting any fuel lines. Clean the area around the connector thoroughly with brake cleaner and compressed air — you don't want any dirt or debris entering the fuel system when the line is open. To release the old connector, squeeze both locking tabs simultaneously while pulling the connector straight off the fitting. Do NOT twist or pry — this damages the metal fuel line fitting. Inspect the metal fuel line fitting on the engine for corrosion, scoring, or burrs before installing the new connector. Clean with a Scotch-Brite pad if necessary. Push the new connector straight onto the fitting until you hear an audible "click" from both locking tabs. Give it a firm pull test to confirm positive engagement before restarting the engine. Frequently Asked Questions Q: Why did my original connector fail?A: The factory connector is exposed to extreme under-hood heat, especially on trucks used for heavy towing where exhaust gas temperatures and engine bay temps run high. Over years of thermal cycling, the nylon loses its elasticity and the locking tabs relax their grip. The internal O-rings also harden and lose their ability to maintain a seal. This is a wear item, not a design defect — it's simply reached the end of its service life. Q: Can I just replace the O-rings instead of the whole connector?A: While technically possible, it's not recommended. The connector body itself fatigues over time, and by the time the O-rings have failed, the locking tabs are usually compromised as well. Replacing the complete connector eliminates both failure points in one service. The part is inexpensive enough that the labor savings of doing it once justify the complete replacement. Q: Will this fit a 2011-2016 6.7L Powerstroke?A: No. The 2011-2016 trucks use a different fuel system layout with different connector configurations. This connector is designed for the 2017-2020 model years. Please verify your truck's production date — mid-cycle connector changes can occur. Q: Is this a high-pressure fuel line connector?A: No, this is a fuel return (low-pressure) line connector. It carries fuel returning from the injectors and the high-pressure pump back to the fuel tank at relatively low pressure. It should not be used on the high-pressure fuel feed lines between the HPFP and the fuel rails.

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Fuel Filter & Cap Kit for 1999-2003 Ford 7.3L PowerstrokeComplete fuel filter and cap kit for 1999-2003 Ford 7.3L Powerstroke diesel. Includes FD-4596 filter element, F81Z-9G270-BA cap, and new O-ring.Q: How often change?A: Every 15,000 miles or at each oil change interval.Q: Fits 6.0L?A: No — this is for the 7.3L Powerstroke (1999-2003) only.

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HFCM Fuel Pump Wiring Harness for 2003-2007 Ford 6.0L Powerstroke The HFCM (Horizontal Fuel Conditioning Module) wiring harness is the electrical lifeline of your 6.0L Powerstroke's fuel delivery system. Mounted on the driver's side frame rail, it connects the frame-mounted HFCM fuel pump assembly to the vehicle's main electrical system — supplying power to the fuel pump and fuel heater element. When this harness fails — and it does, often — your truck experiences intermittent no-starts, sudden stalling, or a complete loss of fuel pressure with zero warning. Rated 4.5 stars with 140+ reviews and carrying the Amazon's Choice badge in the Wiring Harnesses category, this is the go-to replacement for 6.0L Powerstroke owners tired of chasing electrical gremlins. Each harness is built with heavy-duty fluoroelastomer (Viton) seals — the same material used in OEM diesel fuel system O-rings — ensuring long-term resistance to diesel fuel, road salt, and extreme under-chassis temperatures. Key Features Direct OEM Replacement — Manufactured to Ford 6C3Z-9F759-A (6C3Z9F759A) specifications. Identical connector shells, pin count, wire gauge, and circuit routing. Plugs directly into the factory chassis harness and HFCM pump with zero modifications. Heavy-Duty Fluoroelastomer Seals — All connector seals are made from genuine Viton fluoroelastomer, not cheap nitrile rubber. Viton withstands continuous exposure to diesel fuel, road salt brine, and under-chassis temperatures up to 400°F without hardening or cracking — the #1 cause of connector seal failure on budget harnesses. Bridge Harness Design — New aftermarket HFCM fuel pumps often use updated connector styles that are incompatible with the original 2003-2007 factory wiring harness (different plug shape, different pinouts). This harness acts as a jumper, bridging the gap between your factory chassis harness and the new pump — without replacing the entire HFCM assembly. Complete Plug-and-Play Kit — Includes the HFCM pump connector, fuel heater connector, and main chassis harness connector — all pre-assembled and ready to install. No wire cutting, no soldering, no crimping. Simply unplug the old, plug in the new. OEM-Grade Wire & Color Coding — Uses the same AWG copper wire gauge and factory color coding as the Ford harness for straightforward pin-by-pin verification during installation and troubleshooting. Weather-Sealed Throughout — Every connector features silicone rubber environmental seals and terminal position assurance (TPA) locks. Keeps moisture, salt spray, and road grime out of the electrical contacts — the root cause of most HFCM harness failures. Vehicle Compatibility Year Make Model Engine Notes 2003-2007 Ford F-250 Super Duty 6.0L Powerstroke V8 Turbo Diesel All cab configurations 2003-2007 Ford F-350 Super Duty 6.0L Powerstroke V8 Turbo Diesel Single & dual rear wheel 2003-2007 Ford F-450 Super Duty 6.0L Powerstroke V8 Turbo Diesel Chassis cab included 2003-2007 Ford F-550 Super Duty 6.0L Powerstroke V8 Turbo Diesel Chassis cab included 2003-2005 Ford Excursion 6.0L Powerstroke V8 Turbo Diesel All trim levels Important: This harness connects the frame-mounted HFCM pump only (driver side frame rail, under the cab). It is NOT the engine-mounted fuel injector harness, NOT the in-tank sending unit harness, and NOT the FICM harness. If you need those, check our 6.0L Powerstroke collection. Technical Specifications Specification Detail OEM Part Number 6C3Z-9F759-A, 6C3Z9F759A Connector Seal Material Viton Fluoroelastomer (Fuel & Heat Resistant to 400°F) Wire Gauge 14-18 AWG — Matches OEM Ford Specification Circuit Coverage Fuel Pump Power (12V), Fuel Heater, Ground Connector Type Weather-Sealed Multi-Pin (OEM-Spec Shell) Installation Type Frame-Mount, Plug-and-Play — No Splicing Required Kit Contents 1x Complete HFCM Wiring Harness Assembly Amazon Rating 4.5 ★ (140+ Reviews) — Amazon's Choice Symptoms of a Failing HFCM Wiring Harness The 6.0L HFCM harness doesn't usually fail all at once. It degrades gradually, causing increasingly frustrating symptoms that are often misdiagnosed as a bad fuel pump. Here's what to watch for: Intermittent No-Start — The Classic Sign — Engine cranks strong but won't fire. No fuel pump hum when the key is turned to ON. Then 20 minutes later it starts like nothing happened. This is the #1 symptom of a failing HFCM harness — heat cycling causes the corroded connector to lose contact, and cooling down temporarily restores it. Sudden Stalling While Driving — Truck dies without warning at highway speed. Restarts after cooling down or after wiggling the HFCM connector. Dangerous and unpredictable — do not ignore this. P0231 / P0232 Diagnostic Trouble Codes — Fuel pump secondary circuit low voltage (P0231) or high voltage (P0232). These codes point directly to a wiring or connector issue at the HFCM pump, not the pump itself. Fuel Pump Runs Intermittently — You hear the pump prime sometimes but not others when cycling the key. Classic loose connection or high-resistance contact. Visible Corrosion on Connector Pins — Green, white, or blue crust on the HFCM connector terminals. Once corrosion is visible on the outside, it has almost certainly traveled up the wire strands inside the insulation. The connector is compromised. Fuel Pressure Drops Under Load — Truck runs fine at idle but falls on its face during acceleration or towing. Corroded connections create voltage drop at the pump, reducing fuel pressure when demand is highest. How to Diagnose Harness vs. Pump Failure Before replacing any parts, do this simple 2-minute diagnostic to avoid throwing money at the wrong component: Test for 12V at the HFCM connector during the key-on prime cycle (first 2 seconds after turning the key to ON, before cranking). Use a multimeter or test light at the pump power and ground pins. If 12V is present but the pump doesn't run → the pump itself is bad. Replace the HFCM pump. If voltage is absent or intermittent → the harness, relay, or fuse is at fault. Wiggle the harness connector while your meter is connected — if voltage cuts in and out, the harness is the culprit. Replace this harness. Inspect the connector pins closely — look for green corrosion, melted plastic around the terminals (sign of overheating from high resistance), or loose female pins that have lost their spring tension. Pro tip: Many shops misdiagnose this as a fuel pump failure because they test at the relay (which shows good voltage) but never test at the pump connector itself. The voltage drop happens in the corroded harness between the relay and the pump. Always test at the pump connector before condemning the pump. Installation Guide Difficulty: Beginner to Intermediate | Time: 15-30 Minutes | Tools: 8mm & 10mm sockets, flathead screwdriver, dielectric grease (recommended) Safety First — Disconnect both battery negative terminals. The HFCM circuit is live even with the key off on some 6.0L models. Locate the HFCM — Crawl under the driver's side of the truck, just behind the front door. The HFCM is a black module mounted on the inside of the frame rail with two wiring connectors and two fuel lines attached. Disconnect the Old Harness — Depress the locking tab on each connector and pull straight out. If the connector body is brittle (common), it may crack — use needle-nose pliers to remove any broken plastic pieces from the pump and chassis ports. Inspect the Ports — Before installing the new harness, inspect both the pump and chassis connector ports for debris, corrosion, or bent pins. Clean with electrical contact cleaner if needed. Apply Dielectric Grease — Apply a thin coat of dielectric grease to the new harness connector seals. This prevents moisture intrusion and makes future disconnection easier. Plug In the New Harness — Connect the chassis side first, then the pump side. Push each connector in until you hear an audible click from the locking tab. Give each connector a gentle tug to confirm it's locked. Secure the Harness — Route the harness along the same path as the original, using the factory mounting clips. Avoid routing near exhaust components or sharp frame edges. Reconnect Batteries & Test — Reconnect both batteries. Turn the key to ON (do not crank) and listen for the fuel pump priming hum. It should run for approximately 2 seconds and then stop. Cycle the key 3-5 times to purge any air introduced during installation, then start the engine and check for proper operation. Why This Harness Fails on the 6.0L Powerstroke The 2003-2007 6.0L Powerstroke HFCM harness is a known weak point for three reasons: Location, Location, Location — The HFCM is mounted on the frame rail, inches from the road surface. It catches everything: water, salt, mud, gravel, ice. In northern states that use road salt (MI, NY, OH, PA, MN, WI), harness failure is nearly guaranteed by 100,000 miles. Heat Cycling — The exhaust system runs near the frame rail. Repeated heating and cooling causes the connector plastic to expand and contract, loosening the terminal grip and creating tiny gaps where moisture enters and corrosion begins. Budget Harness Alternatives Fail Faster — Cheap replacement harnesses use nitrile rubber seals that harden and crack within 2-3 years of diesel fuel and salt exposure. Our Viton fluoroelastomer seals are the same material used in aerospace fuel systems — they stay flexible and seal-tight for the life of the vehicle. What Customers Say With 140+ ratings and a 4.5-star average on Amazon — plus the Amazon's Choice badge — this HFCM wiring harness has earned its reputation as the go-to fix for 6.0L Powerstroke fuel pump electrical issues. Here's what verified buyers are saying: Rating Review Title Verified ⭐⭐⭐⭐⭐ "Exact replacement for original" ✅ ⭐⭐⭐⭐⭐ "A perfect replacement" ✅ ⭐⭐⭐⭐⭐ "Perfect fit" ✅ ⭐⭐⭐⭐⭐ "Worked perfect" ✅ ⭐⭐⭐⭐⭐ "Good quality" ✅ ⭐⭐⭐⭐⭐ "Works fine for 6.0 Powerstroke" ✅ ⭐⭐⭐★★ "Works great" ✅ Common themes from buyers: "Exact fit, no modifications needed." "Fixed my intermittent no-start immediately." "Plug-and-play — took 15 minutes." "Quality matches OEM at a fraction of dealer price." Data sourced from Amazon product reviews for ASIN B081JMT3J2. Rating and review count updated as of 2026-07. Frequently Asked Questions Q: How do I know if it's the harness or the pump itself?A: Test for 12V at the HFCM pump connector pins during the key-on prime cycle. If you have 12V and the pump doesn't run, the pump is bad. If voltage is absent or drops when you wiggle the connector, the harness is bad. Most importantly — inspect the connector pins for green or white corrosion. If you see any, the harness is compromised regardless of what your meter says. Q: My new aftermarket HFCM pump has a different connector than the factory harness. Will this work?A: Yes — this is exactly what this harness is designed for. Many aftermarket 6.0L HFCM pumps use updated connector styles that don't match the original 2003-2007 factory plug. This harness acts as a bridge, adapting your factory chassis wiring to the new pump's connector without cutting or splicing a single wire. Q: Do I need to drop the fuel tank to replace this harness?A: No. The HFCM is mounted on the driver's side frame rail, under the cab — accessible from under the truck without dropping the tank or removing the bed. You'll need to crawl under the truck on the driver's side, just behind the front door. A creeper makes the job more comfortable but isn't required. Q: Can I just clean the old connector pins and re-use the harness?A: We don't recommend it. The corrosion you can see on the connector pins has almost certainly wicked up the copper wire strands inside the insulation — creating high resistance that you can't see. What looks like clean copper at the connector face may have 50+ ohms of resistance 6 inches up the wire. This causes voltage drop at the pump, reduced fuel pressure, and eventual total failure — usually at the worst possible moment. Replace the complete harness for a permanent fix. Q: Will this fix my P0231 or P0232 code?A: If the code is caused by a faulty harness or corroded connector (which it is in the majority of 6.0L cases), yes — replacing the harness will clear the circuit fault. After installation, clear the DTCs with a scan tool and perform a key-on test. If the code returns, check the fuel pump relay and fuse in the central junction box under the hood. Q: Is dielectric grease really necessary?A: It's not strictly required for the harness to work, but we strongly recommend it. A thin coat of dielectric grease on the connector seals creates a secondary moisture barrier that dramatically extends connector life — especially in salt-belt states. It takes 30 seconds and costs pennies. Do it.

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Fuel Filter Housing Cap for 1999-2003 Ford 7.3L Powerstroke Diesel The 7.3L Powerstroke is legendary for durability, but after 20+ years in service, the plastic fuel filter cap on the engine-mounted fuel bowl is a common failure point. When the cap threads strip, the O-ring groove deforms, or the cap develops hairline cracks, you lose fuel pressure, experience hard starting, and risk introducing air into the injection system. This replacement fuel filter cap restores a perfect seal on your fuel bowl so your 7.3L gets the consistent fuel pressure it needs to fire up reliably — hot or cold, loaded or empty. Key Features Precision-Threaded: Machined threads engage smoothly with the fuel bowl housing without cross-threading — a critical improvement over worn factory caps that fight you every filter change. Correct O-Ring Groove Profile: The sealing groove is dimensionally accurate to accept the OEM-spec O-ring (sold separately or included), ensuring a bubble-tight seal at operating pressures up to 65 PSI. Heat-Resistant Material: Molded from high-temperature nylon composite that withstands the engine bay heat of a working Powerstroke without warping, softening, or developing stress cracks over time. Wide Cross-Reference: Direct replacement for F81Z-9G270-BA, 1831193C91, RK31449, and 904-203 — the four most commonly searched part numbers for this application. Fast Filter Changes: The 1/2" square drive recess in the cap center allows you to use a standard ratchet for removal and installation, eliminating the need for a specialty filter wrench on the side of the road. Vehicle Compatibility Make Model Years Engine Ford F-250 Super Duty 1999-2003 7.3L Powerstroke V8 Turbo Diesel Ford F-350 Super Duty 1999-2003 7.3L Powerstroke V8 Turbo Diesel Ford F-450 Super Duty 1999-2003 7.3L Powerstroke V8 Turbo Diesel Ford F-550 Super Duty 1999-2003 7.3L Powerstroke V8 Turbo Diesel Ford Excursion 2000-2003 7.3L Powerstroke V8 Turbo Diesel Technical Specifications Specification Value Part Type Fuel Filter Housing Cap / Lid Material High-Temperature Nylon Composite Drive Size 1/2" Square Drive Recess Thread Type Coarse ACME-Style Buttress Thread Replaces OEM F81Z-9G270-BA (Ford), 1831193C91 (International/Navistar) Cross-Reference RK31449, 904-203 Application Location Engine-Mounted Fuel Bowl (Top of Engine) Includes O-Ring Check Listing — Sold With or Without O-Ring Option Common Signs Your Fuel Filter Cap Needs Replacement Fuel smell under the hood: Diesel fuel weeping from the cap-to-bowl interface leaves a noticeable odor and often a damp fuel stain on the fuel bowl valley. Hard starting after sitting: A leaking cap allows fuel to drain back from the fuel bowl, meaning the injection pump has to re-prime the system every cold start. Difficult cap removal during filter changes: Threads that bind, gall, or feel "gritty" during removal indicate thread deformation that will only get worse with repeated filter changes. Visible cracks or stress marks: Inspect the cap under good light — hairline cracks, especially radiating from the center drive recess, are a sign of impending failure. Intermittent power loss: Air entering through a compromised cap seal causes erratic fuel delivery and intermittent stumbling, particularly under load or at highway speeds. Installation Instructions Remove the old cap and filter element together — the spring-loaded standpipe in the fuel bowl will rise, which is normal. Inspect the fuel bowl standpipe O-rings while the cap is off. If they show signs of flattening or cracking, replace them at the same time (sold separately). Apply a thin coat of clean diesel fuel to the new cap's O-ring before installation — this prevents the O-ring from rolling or pinching during tightening. Thread the cap on by hand until the O-ring contacts the sealing surface, then tighten with a 1/2" ratchet until firm. The cap does NOT need to bottom out on the threads — over-tightening damages threads and distorts the O-ring. Cycle the key to "Run" (not Start) 3-4 times to fill the fuel bowl, then start the engine and inspect the cap area for any fuel seepage. Frequently Asked Questions Q: Does this cap include the fuel filter element?A: No, this listing is for the fuel filter cap/lid only. The filter element (Motorcraft FD-4596 or equivalent) is sold separately. We recommend replacing both the cap and filter element at the same time for best results. Q: Will this fit the 1994-1997 OBS (Old Body Style) 7.3L Powerstroke?A: No. The 1994-1997 trucks use a different fuel bowl design with a different cap thread pattern. This cap is designed for the 1999-2003 Super Duty and 2000-2003 Excursion with the late-style engine-mounted fuel bowl. Q: My old cap is stuck and won't come off. Any tips?A: Soak the cap-to-bowl interface with penetrating oil (PB Blaster or Kroil) and let it sit for 15-30 minutes. Use a 1/2" breaker bar (not an impact gun) with steady, increasing pressure. If it's still stuck, apply careful heat to the bowl — not the cap — with a heat gun to expand the aluminum bowl slightly. Never use a hammer or chisel; you risk cracking the fuel bowl itself. Q: Can I use this with an aftermarket fuel system (regulated return, etc.)?A: Yes, the cap is compatible with any fuel system modification that retains the factory engine-mounted fuel bowl. If you've deleted the fuel bowl entirely (common with some regulated return kits), this cap is not needed.

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5-Micron Fuel Filter Conversion Kit for 2011-2020 Ford 6.7L Powerstroke Upgrade your Powerstroke from the stock 10-micron to 5-micron filtration with this complete conversion kit. The all-metal housing replaces the factory plastic unit, providing superior durability and better CP4.2 pump protection. Key Features 5-Micron Filtration: Twice the filtration of stock 10-micron — critical CP4.2 protection All-Metal Housing: CNC billet aluminum — no plastic to crack or leak Complete Kit: Housing, filter, mounting hardware, and fittings included 121003 Compatible: Uses BF7967, 33393 filters — save on every change 2011-2020 Fitment: F250, F350, F450, F550 with 6.7L Powerstroke Compatibility Year Make Model Engine 2011-2020 Ford F-250/F-350/F-450/F-550 6.7L Powerstroke V8 Specifications Housing Billet Aluminum Micron Rating 5 Micron (vs Stock 10) Compatible Filters BF7967, 33393, 121003 Location Upper Fuel Filter (Engine Bay) Why This Upgrade Matters The Ford 6.7L's Bosch CP4.2 pump is infamously sensitive to fuel contamination. When the CP4.2 fails, metal shavings destroy injectors, lines, rails, and tank — a $8,000-12,000 repair. A 5-micron upgrade provides double the protection for less than a tank of diesel. Installation Remove factory upper filter and housing Clean mounting surface Install all-metal housing with supplied hardware Attach fuel lines — no kinks Spin on new 5-micron filter — hand-tight plus 1/4 turn Prime by cycling key ON 4-5 times until pump sound changes Start engine, check for leaks Frequently Asked Questions Q: Will this void my Ford warranty?A: No. Magnuson-Moss Act protects aftermarket parts that improve protection. Q: Does this work with the factory WIF sensor?A: WIF sensor is in the lower filter — unchanged. This replaces upper only. Q: What replacement filters after installation?A: BF7967, WIX 33393, or Fleetguard FF63009 — widely available. Q: Will I see a fuel pressure drop?A: No. Maintains full fuel flow at 5-micron efficiency. Q: Can I install this myself?A: Yes. Bolt-on kit, 30-45 minutes, basic tools. No tuning needed. Related Products Ram 6.7L Cummins Filter Conversion

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Water-in-Fuel Sensor for 2003-2007 Ford 6.0L PowerstrokeDirect OEM replacement for the water-in-fuel sensor (6C3Z-9C264-A) on 2003-2007 Ford 6.0L Powerstroke diesels. Stops false 'Water in Fuel' dashboard warnings.Key Features Replaces Ford 6C3Z-9C264-A / 904-459 Plug-and-play installation Accurate fuel condition monitoring Q: Symptoms of a bad WIF sensor?A: Constant 'Water in Fuel' light even after draining. Or no warning when water is present.Q: Fits 7.3L?A: No — this is for 2003-2007 6.0L Powerstroke.

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EC781 Oil Filter Cap for FL2016 2003-2007 6.0L 2008-2010 6.4 | iFJFHigh-quality Oil Filter Cap replacement from iFJF. EC781 Oil Filter Cap for FL2016 2003-2007 6.0L 2008-2010 6.4.Key Features OEM-spec quality and fit Durable construction for long service life Direct replacement — no modifications needed Q: Is this OEM quality?A: Yes, manufactured to meet or exceed OEM specifications.Q: Fast shipping?A: Yes, ships from iFJF warehouse within 1 business day.

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