Air Filter Element – Fits Mercury/Mercruiser CMD QSD 4.2L Diesel (Replaces 35-898272048)

$27.36 $43.00

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Air Filter Element – Fits Mercury/Mercruiser CMD QSD 4.2L Diesel (Replaces 35-898272048) is backordered and will ship as soon as it is back in stock.

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Product Details

This Air Filter Element is a direct-fit foam filter for the turbocharger air intake system on Mercury/Mercruiser CMD QSD 4.2L Diesel models (270–350 HP) from 2008–2012. It ensures your engine receives clean air for optimal performance.

It serves as a direct interchange for Mercury/Mercruiser part numbers 35-898272048 and 898272048.

Installation Type: Direct Replacement
Filter Material: High-density foam
Application: For diesel engine air intake systems

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand	Part Number
Mercury/Mercruiser	35-898272048
Mercury/Mercruiser	898272048

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Mercury/Mercruiser engines, it is critical to check your engine's serial number against the ranges provided to ensure an exact match.

Brand	Model	Rated HP	Stroke	Years	OEM Part No.	Notes
Mercury/Mercruiser	CMD QSD 4.2 EI 270	270	4-Stroke	2008–2012	35-898272048	Serial #88400000-88400999
Mercury/Mercruiser	CMD QSD 4.2 EI 320	320	4-Stroke	2008–2012	35-898272048	Serial #88405000-88416999
Mercury/Mercruiser	CMD QSD 4.2 EI 350	350	4-Stroke	2008–2012	35-898272048	Serial #88416000-88416999
Mercury/Mercruiser	CMD QSD 4.2 ES 270	270	4-Stroke	2008–2012	35-898272048	Serial #88401000-88404999
Mercury/Mercruiser	CMD QSD 4.2 ES 320	320	4-Stroke	2008–2012	35-898272048	Serial #88406000-88415999
Mercury/Mercruiser	CMD QSD 4.2 ES 350	350	4-Stroke	2008–2012	35-898272048	Serial #88417000-88419999

Technical Specs

Product Type: Air Filter Element (Foam)
Installation: Direct Replacement
Fuel Type: Diesel
Housing Material: Foam
Dimensions: 21.0" L x 12.5" W x 3.0" H
Weight: 0.06 lb (0.027 kg)
Warranty: Standard Mercury Marine Warranty
Other Technical Attributes: OEM Mercury/Mercruiser factory part

What’s in the Box

1 x Filter-Air Element Foam (35-898272048)

Installation Notes

Ensure the engine is turned off and has completely cooled down.
Locate the turbocharger air intake housing on your engine.
Carefully remove the housing cover to expose the old air filter element.
Remove the old foam filter and discard it properly.
Clean any dust or debris from inside the filter housing.
Insert the new foam air filter element, ensuring it is seated correctly.
Reinstall the housing cover and ensure it is securely fastened.

Troubleshooting & FAQ

How do I know if this air filter fits my engine?

This filter fits specific Mercury/Mercruiser CMD QSD 4.2L Diesel models from 2008–2012. It's critical to match your engine's serial number with the ranges listed in the compatibility table to guarantee fitment.

What are the signs my air filter needs replacement?

Common signs include decreased engine performance, lower fuel efficiency, increased black smoke from the exhaust, or visible dirt, debris, or damage on the filter element itself.

What is the replacement interval for this foam air filter?

Replacement frequency depends heavily on your operating conditions (e.g., saltwater vs. freshwater, dusty environments). Always refer to your engine's service manual for the recommended schedule, and inspect the filter regularly.

Can I clean and reuse this foam filter?

This part is designed as a direct replacement. For optimal engine protection and performance, it is highly recommended to replace the filter rather than attempting to clean and reuse it.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
This is an aftermarket replacement, not an OEM component.
Professional installation is recommended for safety and performance.

About Sea Sierra

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