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Oil Filter – Fits MerCruiser V6 GM Engines (Replaces 35-883702Q)

Sale price $12.72 Regular price $20.00
Shipping calculated at checkout.

Oil Filter – Fits MerCruiser V6 GM Engines (Replaces 35-883702Q) is backordered and will ship as soon as it is back in stock.


Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This Quicksilver Oil Filter – Fits MerCruiser V6 GM Engines is engineered for MerCruiser sterndrive V6 engines where the oil filter is mounted directly on the engine block. It is not compatible with V6 engines that utilize a remote oil filter system.

This filter is a direct replacement for Mercury/Quicksilver 35-883702Q, 35-883702K; OMC 173834, 502903; Volvo Penta 841750; and Sierra 18-7879.

  • Installs directly onto the engine block for a straightforward fit.
  • Features a marine-specific design for enhanced corrosion resistance in harsh environments.
  • Includes all necessary components for a standard filter change.

Part Number Matrix

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

Brand Part Number
Mercury/Quicksilver 35-883702Q
Mercury/Quicksilver 35-883702K
OMC 173834
OMC 502903
Volvo Penta 841750
Sierra 18-7879

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For MerCruiser V6 models, this filter fits when mounted directly on the engine block.

For Volvo Penta models, this filter is applicable to a range of AQ and other series engines.

For OMC, this filter fits various V6 models.

Brand Model Stroke OEM Part No. Notes
MerCruiser V6 Models 4-Stroke 35-883702Q Engine block mounted filter only
Volvo Penta AQ 175, 205 4-Stroke 841750
Volvo Penta 430A, 430B 4-Stroke 841750
Volvo Penta 431A, 431B 4-Stroke 841750
Volvo Penta 432A 4-Stroke 841750
Volvo Penta 434A 4-Stroke 841750
Volvo Penta 4.3 GL, GS, GI 4-Stroke 841750
OMC V6 Models 4-Stroke 173834/502903

Technical Specs

Product Type
Oil Filter
Installation
Direct mount on engine block
Connection
Spin-on
Fitting Type
Full-flow lube spin-on
Thread Size
18 x 1.5 mm
Housing Material
Steel with paper filter element
Housing Color
Blue (Quicksilver branded)
Dimensions
Height: 9.5 cm; Width: 8.0 cm; Length: 8.0 cm
Weight
0.27 kg (0.6 lb)
Other Attributes
Marine-specific design for corrosion resistance

What’s in the Box

  • 1 x Oil Filter (35-883702Q)

Installation Notes

  1. Ensure the engine is cool. Place a suitable drain pan beneath the existing oil filter to catch any spills.
  2. Using an oil filter wrench, carefully unscrew and remove the old filter.
  3. Wipe the filter mounting surface on the engine block clean with a lint-free cloth.
  4. Apply a thin film of clean engine oil to the gasket of the new filter.
  5. Screw the new filter on by hand until the gasket makes firm contact with the engine block.
  6. Tighten the filter an additional 3/4 to one full turn by hand. Do not overtighten.
  7. Run the engine for a few minutes and check carefully for any leaks around the filter.

Troubleshooting & FAQ

Will this filter fit an engine with a remote oil kit?

No, this oil filter is specifically designed for engines where the filter mounts directly onto the engine block. It is not suitable for remote filter systems.

How often should I replace this oil filter?

For optimal engine health, the oil filter should be replaced during every scheduled oil change. Always follow your engine manufacturer’s recommended service intervals.

What are the signs of a failing oil filter?

Symptoms of a clogged or failing filter can include a noticeable drop in oil pressure, engine sputtering, or unusual metallic noises, which may indicate oil starvation.

Is this a direct replacement for a Sierra 18-7879 filter?

Yes, this part is a direct cross-reference and suitable replacement for the Sierra 18-7879 oil filter, among other OEM and aftermarket part numbers.

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

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
  • Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
  • Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

Payment & Security

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