Description
Mercury Mariner 6HP-45HP Fuel Filter Kit — Replaces 35-889527A07
The 35-889527A07 fuel filter kit is engineered for Mercury and Mariner outboard motors from 6HP to 45HP. Featuring a high-strength plastic housing with a fluororubber (FKM) seal, this complete kit delivers reliable leak-free filtration in demanding marine environments — keeping your outboard's carburetor and fuel injectors clean, with smoother starts and dependable performance.
📋 Key Takeaways
- ✅ Direct OE Replacement: Replaces Mercury / Mariner part numbers 35-889527A07, 889527A07, 8M0111436, 87946A13 and 87946A15.
- ✅ Broad Fitment: Covers 6HP to 45HP outboards plus specialty variants like 10HP Sea Pro, Marathon and Viking, and 20HP JET.
- ✅ Oil-Resistant FKM Seal: Fluororubber seal resists oil and prevents hardening or cracking season after season.
- ✅ Engine Protection: High-efficiency media traps dirt, rust and impurities before they reach the carburetor and fuel injectors.
- ✅ Complete Kit: Filter assembly, steel ball, hose and cable ties — everything in one box, no extra parts needed.
Features & Benefits
| Feature |
Benefit (What It Means for You) |
| Fluororubber (FKM) Seal |
Resists oil and prevents hardening or cracking, maintaining a reliable leak-free seal even in saltwater and harsh marine environments where ordinary seals fail. |
| High-Strength Plastic Housing |
Durable construction built for demanding engine compartments, standing up to heat, vibration and marine conditions. |
| High-Efficiency Filter Media |
Traps dirt, rust and impurities to keep the carburetor and fuel injectors clean — supporting smoother starts and stable performance. |
| 8 mm (5/16 in) Barbed Fittings |
Secure hose connections at the inlet and outlet prevent fuel line slippage, simplifying installation and service. |
| Wide 6HP-45HP Fitment |
Covers the most common Mercury and Mariner outboard range, including hard-to-find parts for older and specialty models. |
| Complete Kit Contents |
Includes the assembly, steel ball, hose and cable ties so you can complete the replacement in one go — no extra trips to the store. |
Compatibility & Cross-Reference
Replaces OE Part Numbers:
| Interchange Part Number |
Brand |
| FJ-WSFF11-ZH |
iFJF |
| 35-889527A07 |
Mercury / Mariner OE |
| 889527A07 |
Mercury / Mariner OE |
| 8M0111436 |
Mercury / Mariner OE |
| 87946A13 |
Mercury / Mariner OE |
| 87946A15 |
Mercury / Mariner OE |
Compatible Filter Elements:
- 87946Q04, 896375K01, 896375Q01, 87946A3
Common Applications:
- Mercury / Mariner 6HP, 8HP, 9.9HP, 10HP, 15HP, 18HP, 20HP, 25HP, 35HP and 45HP outboard motors
- Specialty variants: 10HP Sea Pro, Marathon and Viking; 15HP Sea Pro and Marathon; 20HP JET
Note: Please verify your engine model, year and original part number against the cross-reference table before ordering to ensure correct fitment.
Specifications
| Part Number |
FJ-WSFF11-ZH (iFJF) |
| Replaces |
35-889527A07 / 889527A07 / 8M0111436 / 87946A13 / 87946A15 |
| Filter Elements |
87946Q04 / 896375K01 / 896375Q01 / 87946A3 |
| Filter Type |
Fuel Filter Kit (inline, barbed fittings) |
| Housing Material |
High-Strength Plastic |
| Seal Material |
Fluororubber (FKM) |
| Port Size |
8 mm (5/16 in) barbed inlet & outlet |
| Compatibility |
Mercury / Mariner 6HP-45HP outboards |
| Package Includes |
1 × filter assembly, 1 × steel ball, 1 × hose, 4 × cable ties |
Why Choose iFJF Over the OE Dealership?
🛡️ 1-Year Warranty Included · 30-Day Easy Returns · Lifetime Support
Not satisfied? Return it. Fails prematurely? We'll replace it — no receipt-hoarding, no dealership runaround.
As a professional filter manufacturer with a CNAS certified laboratory, we design and build our products to strictly match — and often exceed — OE specifications. Every single unit undergoes rigorous quality verification:
- 🔬 Lab-Tested Performance: Validated for filtration efficiency, particle holding capacity and burst strength.
- 🔍 100% Leakage Control: Factory-tested under high pressure to ensure zero leakage and secure field operation.
- 🛡️ Premium Build Quality: FKM seal and high-strength housing engineered for harsh marine environments.
- 💰 Factory-Direct Supply: Commercial-grade quality directly from the manufacturer, no middleman markup.
⭐ Parts in stock and ready to ship from our US warehouse.
Frequently Asked Questions
Q: Will this fuel filter kit fit my Mercury 9.9HP outboard motor?
A: Yes. This kit is compatible with Mercury and Mariner outboard motors from 6HP to 45HP, which includes the 9.9HP model. It also covers specialty variants like the 10HP Sea Pro, Marathon and Viking, 15HP Sea Pro and Marathon, and 20HP JET. Please verify your engine model, year and part number before ordering.
Q: Is this a complete kit or just the filter body?
A: This is a complete kit that includes 1 fuel filter assembly, 1 steel ball, 1 hose and 4 cable ties, so everything needed for a replacement arrives in one box. No extra parts need to be purchased separately.
Q: Is this a direct replacement for OEM part number 35-889527A07?
A: Yes. This kit replaces part numbers 35-889527A07, 889527A07, 8M0111436, 87946A13 and 87946A15, plus filter elements 87946Q04, 896375K01, 896375Q01 and 87946A3. It is designed as a direct-fit replacement for the original part.
Q: What material is the seal made of and will it leak in saltwater?
A: The seal is made of fluororubber (FKM), which resists oil and prevents hardening or cracking over time. This helps maintain a reliable leak-free seal even in saltwater and harsh marine conditions.
Q: Does this filter actually filter the fuel, or is it just a housing?
A: This kit uses high-efficiency filter media that traps dirt, rust and impurities, helping keep the carburetor and fuel injectors clean. The housing is molded from high-strength plastic and is designed as a serviceable replacement part.
Q: How hard is it to install?
- Make sure the engine is off and cool, and observe fuel safety precautions.
- Remove the old fuel filter assembly and disconnect the fuel line.
- Connect the new 8 mm barbed fittings to the fuel line and secure with the included cable ties.
- Install the steel ball and ensure all connections are tight.
- Prime the fuel system, start the engine and check carefully for leaks.
Package Includes
- 1 × Fuel Filter Assembly
- 1 × Steel Ball
- 1 × Fuel Hose
- 4 × Cable Ties
Common Problems with OE/Aftermarket Fuel Filters — Solved by iFJF
We analyzed verified customer reviews of OE and aftermarket alternatives. Here's what outboard owners keep complaining about — and how we fixed it:
| ❌ What Owners Complain About |
|
✅ How iFJF Solved It |
"The kit was missing parts like the gasket."
— Common complaint in aftermarket reviews
|
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Complete kit contents
Every box includes the filter assembly, steel ball, hose and 4 cable ties — everything needed for the replacement, no missing pieces.
|
"Not sure if it fits my Mercury outboard or if it's the right part number."
— Common concern in Q&A and reviews
|
→ |
Explicit fitment + full OE cross-reference
6HP-45HP fitment clearly listed with 5 OE part numbers and 4 filter elements — check your number against the Cross-Reference table before ordering.
|
"Cheap seals crack and leak in saltwater after a season."
— Common complaint in marine reviews
|
→ |
Fluororubber (FKM) seal
Oil-resistant FKM seal prevents hardening or cracking in harsh marine conditions — factory-direct value at a fraction of dealership pricing.
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🔎 We read the 1-star and 2-star reviews so you don't have to. Every iFJF product is engineered to solve the real problems owners actually face — not just match a spec sheet.
Factory Direct Supply & Wholesale — iFJF is a direct manufacturer of high-performance automotive and marine filtration products, backed by ISO 9001:2015 and IATF 16949:2016 quality management system certifications. Custom specifications and bulk orders are highly welcome. Contact us for exclusive dealer pricing and volume discounts.
Email: support@ifjf.com
