35-877767K01 Oil Filter for Mercury Mariner 135HP 150HP 175HP 200HP 4-Stroke | JLM Marine

Oil Filter for Mercury Mariner 135HP 150HP 175HP 200HP 4-Stroke – Replaces 35-877767K01

This high-quality aftermarket oil filter is engineered for Mercury and Mariner 4-stroke outboard engines ranging from 135 HP to 200 HP, covering model years 2006–2014. It ensures reliable filtration and engine protection across Verado and standard 4-cylinder and 6-cylinder platforms.

This filter directly replaces Mercury OEM part numbers 35-877767K01, 35-877767Q01, 35-896546T, 8M0123025, and 8M0176312, as well as Sierra aftermarket number 18-7921.

• 10-micron filtration for superior contaminant capture
• Precision-engineered for 4-stroke marine outboards
• Drop-in replacement for OEM filters

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/Mariner 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 (35-877767K01 Replacement)

Installation Guide

1. Ensure the engine is completely cool and the boat is on stable, level ground.
2. Place a drain pan beneath the oil filter to catch residual oil.
3. Using an appropriate oil filter wrench, rotate the old filter counterclockwise to remove it.
4. Wipe the filter mounting surface on the engine block clean of any old gasket material or debris.
5. Apply a thin film of clean engine oil to the rubber gasket on the new filter.
6. Thread the new filter onto the mounting stud by hand, turning clockwise until the gasket contacts the base.
7. Tighten the filter an additional 3/4 to 1 full turn by hand—do not over-tighten.
8. Refill the engine with the manufacturer-recommended oil to the correct level.
9. Start the engine and let it run for 1–2 minutes, checking for leaks around the filter.
10. Shut off the engine, wait a few minutes, then recheck the oil level and top off if necessary.
11. Dispose of the old filter and used oil in accordance with local environmental regulations.

Troubleshooting & FAQ

Q: How do I confirm this filter fits my engine?
A: Cross-reference your current filter's part number with the OEM numbers listed (35-877767K01, 35-896546T, 8M0123025, 8M0176312) or check the compatible engine models table for your horsepower, stroke, and year.

Q: How often should I replace my 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 precise intervals.

Q: What are the signs my oil filter needs replacement?
A: Common indicators include dirty or gritty oil, lower oil pressure, unusual engine noise, or the oil-change interval being reached. Replace the filter immediately if you notice metal particles in the oil.

Q: Can I use this filter on Verado models?
A: Yes, this filter is compatible with Mercury Verado 4-stroke outboards from 135 HP to 200 HP, model years 2006–2014, as specified in the compatibility table.

Q: What is the difference between this aftermarket filter and the OEM version?
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.