Sierra Yamaha 4-Stroke Outboard Oil Filter 18-7902, Replaces 3FV-13440-10-00

The Sierra 18-7902 is a spin-on oil filter engineered for Yamaha 4-stroke outboard engines. Built with a synthetic/glass fiber filter media, it is manufactured to meet or exceed OEM specifications and is field-tested and approved for reliable filtration performance. The filter includes anti-drainback valves where required, helping keep oil in the filter housing between engine starts so lubrication reaches critical engine components faster at startup. As a performance-grade replacement filter, the Sierra 18-7902 is designed to fit specific Yamaha outboard model years and displacements, making it a straightforward drop-in replacement during scheduled oil changes. It carries a 90 day manufacturer warranty. Always confirm your outboard model and year against the fitment list before ordering to ensure correct compatibility.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-7902
• Material: Synthetic/Glass Fiber
• Product Grade: Performance Part
• Weight: 0.48 pounds
• UPC: 808282244873
• Unit Count: 1
• Manufacturer Warranty: 90 days
• OEM Cross-Reference: 3FV-13440-10-00

Fitment

• Yamaha F25, 1998 - 1999, 1.7 L / 1.8 Qt., 10W-30 FC-W
• Yamaha F40, 1999 - 2000, 2.0 L / 2.1 Qt., 10W-30 FC-W
• Yamaha T50, 1996 - 1999, 2.0 L / 2.1 Qt., 10W-30 FC-W
• Yamaha F50, 1995 - 1999, 2.0 L / 2.1 Qt., 10W-30 FC-W

Replaces (OEM)

• 3FV-13440-10-00

Frequently Asked Questions

What does the Sierra 18-7902 oil filter fit? The Sierra 18-7902 fits Yamaha F25 outboards from 1998 to 1999, F40 outboards from 1999 to 2000, T50 outboards from 1996 to 1999, and F50 outboards from 1995 to 1999, all using 10W-30 FC-W oil.

Is the 18-7902 filter an OEM equivalent? Yes, the Sierra 18-7902 is manufactured to meet or exceed OEM specifications and directly replaces the Yamaha OEM filter numbered 3FV-13440-10-00.

What OEM part number does 18-7902 replace? It replaces Yamaha OEM oil filter 3FV-13440-10-00 on the applicable Yamaha 4-stroke outboard models and years.

How much does the 18-7902 oil filter weigh? The Sierra 18-7902 oil filter weighs 0.48 pounds.

What is the 18-7902 filter made of? The filter media on the Sierra 18-7902 is synthetic/glass fiber, designed for consistent filtration performance in a marine 4-stroke oil system.

Does the Sierra 18-7902 have an anti-drainback valve? Yes, the 18-7902 includes anti-drainback valves where required, which help retain oil in the filter between startups.

Does the Sierra 18-7902 come with a warranty? The Sierra 18-7902 oil filter is backed by a 90 day manufacturer warranty.

How many filters come in one order of 18-7902? Each order of the Sierra 18-7902 includes one oil filter (unit count of 1).

Is the Sierra 18-7902 a genuine Yamaha part or aftermarket? The 18-7902 is a Sierra aftermarket performance part built to meet or exceed Yamaha OEM specifications, not a Yamaha-branded original part.

What oil weight should be used with the Yamaha outboards that take the 18-7902? The Yamaha outboard applications for the 18-7902 (F25, F40, T50, F50) call for 10W-30 FC-W rated oil.

What is the UPC for the Sierra 18-7902 oil filter? The UPC for the Sierra 18-7902 oil filter is 808282244873.