Inline Fuel Filter 879884T for Mercury 30 35 40 50 60 HP 4-Stroke Outboard
Inline Fuel Filter 879884T for Mercury 30 35 40 50 60 HP 4-Stroke Outboard
Product Overview
Inline fuel filter for Mercury four-stroke outboards from 30 HP to 60 HP, supplied as 1 x filter. It replaces Mercury 35-879884T and 879884T, and crosses to Sierra 18-79965. The filter sits in the fuel line between the primer bulb and the engine, and catches water and grit before they reach the fuel pump and the injectors. On these 30 to 60 HP four-strokes the element is a service item: once it loads up, the engine starts leaning out under load, idles rough and loses top end, and on EFI models the debris that gets past it is what blocks an injector. Change it with the engine oil and the fuel lines stay clean.
Specifications & Attributes
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Inline Fuel Filter |
| Engine | Mercury four-stroke outboard |
| Horsepower | 30 HP to 60 HP |
| Years | 2002 onwards (see fitment) |
| Position | In-line, between primer bulb and engine |
| Quantity | 1 filter |
| Shipping Weight | 103 g |
| Packaging Size | 150 x 100 x 50 mm (5.9 x 3.9 x 2.0 in) |
OEM Cross Reference
| Brand | OEM Part Numbers |
|---|---|
| Mercury Marine | 35-879884T |
| Mercury Marine | 879884T |
| Sierra | 18-79965 |
Compatible Engines
| Horsepower | Fitment |
|---|---|
| 30 HP | 2002-2007 and 2008 onwards |
| 35 HP | Serial 1C453840 and up |
| 40 HP | 2002-2010 and 2011 onwards |
| 50 HP | 2002-2010 and 2011 onwards |
| 60 HP | 2002-2010 and 2011 onwards |
What's Included
| Component | Qty |
|---|---|
| Inline Fuel Filter | 1 |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | Standard |
| Packaging | Sealed retail packaging |
Before You Buy
- Check the engine horsepower and year against the table before ordering
- Note the arrow on the filter body, fuel must flow towards the engine
- Clamp the fuel line before opening it, these systems are gravity fed at rest
- Inspect the fuel for water or debris, a dirty filter is often the first sign of tank trouble
- Prime the bulb until firm and check both connections for leaks before starting
- 30-Day Easy Returns
- Free Worldwide Shipping
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Boat Owners' Review
Before You Buy
Frequently Asked Questions
What is your refund policy?
We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.
See our full Refund Policy for complete details.
How does shipping work?
Free international shipping on every order — no minimums. We operate a global warehouse network with a main distribution centre in Asia (10-20 business days). We also hold stock in regional warehouses across the United States, Germany, the United Kingdom, Australia, and Poland (opening soon) — most orders arrive in 1-3 business days within those countries and in 2-8 business days to nearby regions. Tracking included.
See our full Shipping Policy.
How do you keep prices fair?
We cut out the middlemen. XRmarine sources directly from quality manufacturers and sells at honest prices. Same OEM-quality parts, no dealership markup. Every order comes with free shipping, real expert support, and a 1-year warranty.
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