Air Filter – Fits MerCruiser 2.0L QSD Diesel Engines (Replaces 35-879172143)

Air Filter – Fits MerCruiser 2.0L QSD Diesel Engines (Replaces 35-879172143)

This aftermarket air filter element is designed for MerCruiser/Cummins 2.0L QSD 4-stroke diesel engines, ranging from 115 to 170 HP. It serves as a direct replacement component, ensuring proper fit and function for routine maintenance.

It directly replaces OEM part numbers, including Mercury Marine 35-879172143 / 879172143 and VM Motori 41132038F.

• Installation Type: Direct replacement for a hassle-free fit.
• Compatible Fuel Type: Designed specifically for Diesel engines.
• Housing Material: Constructed from high-quality foam for effective filtration.

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 x FILTER (35-879172143/879172143)

Explosion Diagram

Installation Guide

1. Ensure the engine is off and has cooled down before starting work. Locate the air filter housing on your engine.
2. Release the clips or undo the screws that hold the housing cover in place.
3. Lift off the cover to reveal the old air filter. Make a note of its orientation.
4. Remove the old filter from the housing assembly.
5. Use a clean cloth to wipe away any dust or debris from inside the filter housing.
6. Place the new air filter into the housing, making sure it is properly seated in the correct orientation.
7. Re-install the housing cover and firmly secure it using the original clips or screws.

Troubleshooting & FAQ

How can I confirm this air filter fits my specific MerCruiser engine?
Check the 'Compatible Engine Models' table on this page. Your engine model and serial number range must match the listed values. For example, the filter fits a MerCruiser 2.0L EI 115 with a serial number between 70294910 and 70377490.

How often should I replace my diesel engine's air filter?
Replacement intervals depend on your engine's service manual recommendations and operating conditions. Regular inspection is key; replace the filter when it appears dirty or clogged to ensure optimal engine performance and fuel efficiency.

What are the signs of a failing or clogged air filter?
Common symptoms include decreased engine power, higher fuel consumption, black smoke from the exhaust, and the engine running rough. If you notice any of these signs, inspect the air filter.

OEM vs. Aftermarket?
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.

How fast do you ship and how much does it cost?
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.

What is your warranty and return policy?
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.