35-877761Q01 Oil Filter for Mercury 75HP 90HP 115HP 150HP | JLM Marine

35-877761Q01 Oil Filter for Mercury 75HP 90HP 115HP 150HP | JLM Marine

This high-quality aftermarket oil filter is designed to fit Mercury FourStroke outboard engines, including the 75HP, 90HP, 115HP (1731cc displacement, USA serial range 1B366823-2B094995), and the latest 150HP EFI FourStroke models. Engineered to OEM specifications, it ensures reliable filtration and engine protection for your marine investment.

This filter directly replaces Mercury Marine 35-877761K01, Quicksilver 35-877761Q01, and multiple aftermarket equivalents from trusted brands like Sierra, Mallory, and EMP, providing you with a cost-effective maintenance solution without sacrificing performance.

• Includes one (1) complete oil filter assembly
• Built to OEM quality standards for dependable engine lubrication
• Direct bolt-on replacement—no modification required

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 × Oil Filter

Installation Guide

1. Ensure the engine is off and has cooled completely before beginning work.
2. Position a drain pan beneath the oil filter to catch residual oil.
3. Using an oil filter wrench, turn the old filter counterclockwise to remove it. Wipe the mounting surface clean with a lint-free cloth.
4. Apply a thin film of clean engine oil to the rubber gasket on the new filter.
5. Thread the new filter onto the mounting stud by hand, turning clockwise until the gasket contacts the base. Tighten an additional 3/4 to 1 full turn by hand only—do not use a wrench.
6. Refill the engine with the manufacturer-recommended oil type and quantity (consult your owner's manual).
7. Start the engine and let it idle for one minute, then shut it off. Check the filter and drain plug for leaks.
8. Wait a few minutes for oil to settle, then recheck the oil level and top off if necessary.

Troubleshooting & FAQ

Q: How do I confirm this oil filter fits my Mercury outboard?
A: Check the compatibility table above for your engine's HP rating and model year. For Mercury 75/90/115HP FourStroke models, confirm your serial number falls within the USA range 1B366823-2B094995. You can also cross-reference your current filter's part number with the brands listed in the Part Number Cross-Reference table.

Q: How often should I replace my outboard oil filter?
A: Mercury recommends changing the oil filter at every oil change interval—typically every 100 hours of operation or annually, whichever comes first. Always consult your engine's service manual for the specific maintenance schedule, as intervals may vary based on operating conditions.

Q: What are the signs that my oil filter needs replacement?
A: Common indicators include dark or contaminated oil despite recent changes, unusual engine noise or knocking, oil pressure warning lights, or visible leaks around the filter housing. If you notice any of these symptoms, inspect and replace the filter immediately.

Q: Can I install this filter myself or do I need a mechanic?
A: Installation is straightforward for those with basic mechanical skills—simply unscrew the old filter, lubricate the new gasket, and hand-tighten the replacement. However, if you're unfamiliar with oil changes or lack the proper tools, professional installation is recommended to avoid over-tightening or cross-threading.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.