852904 Magnetic Drain Plug w/O-Ring for Volvo Penta AQ270 AQ275 AQ280 AQ290 2001 2002 2003 | JLM Marine

852904 Magnetic Drain Plug w/O-Ring for Volvo Penta AQ270 AQ275 AQ280 AQ290 2001 2002 2003 | JLM Marine

This magnetic drain plug with O-ring is engineered for Volvo Penta marine engines, including the 2001, 2002, 2003 series and AQ270, AQ275, AQ280, AQ290 models in both sterndrive (DP) and sailboat (SP) configurations. It serves as a direct replacement for OEM part number 852904, ensuring reliable sealing and magnetic collection of metallic debris during oil changes.

This drain plug assembly features a built-in magnet to capture metal particles, helping monitor engine wear and protect internal components. The included O-ring provides a secure, leak-free seal for long-term durability.

• Includes magnetic drain plug with O-ring seal
• Designed for Volvo Penta DP (sterndrive) and SP (sailboat) models
• Captures metal debris for wear monitoring

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.

Technical Specifications

Package Contents

Your purchase includes:

• Magnetic Drain Plug with O-Ring

Installation Guide

1. Ensure the engine is off and cooled down. Position an oil drain pan beneath the drain plug location.
2. Remove the old drain plug by turning counterclockwise with the appropriate wrench. Allow all oil to drain completely.
3. Inspect the old O-ring for wear or damage. Clean the drain plug threads and sealing surface thoroughly.
4. Install the new O-ring onto the magnetic drain plug, ensuring it seats properly in the groove.
5. Insert the new magnetic drain plug and tighten by hand first, then use a wrench to snug it down. Do not overtighten to avoid stripping threads.
6. Refill the engine with the manufacturer-recommended oil type and quantity. Check for leaks around the drain plug.
7. Run the engine briefly and recheck the drain plug area for any seepage. Tighten slightly if necessary.
8. At each oil change, inspect the magnet for metal particles to monitor engine wear patterns.

Troubleshooting & FAQ

Q: How do I confirm this magnetic drain plug fits my Volvo Penta engine?
A: Cross-reference your engine model with the compatibility table above. Models include 2001, 2002, 2003 series and AQ270, AQ275, AQ280, AQ290 in DP or SP configurations. Verify your original drain plug matches OEM part number 852904.

Q: What is the difference between this aftermarket plug and the OEM version?
A: This aftermarket replacement is manufactured to OEM specifications using comparable materials and includes the same magnetic functionality and O-ring seal. It provides equivalent performance at a more competitive price point.

Q: How often should I replace the drain plug and O-ring?
A: The O-ring should be replaced at every oil change to ensure a proper seal. The magnetic drain plug itself can be reused indefinitely unless threads become damaged or the magnet loses effectiveness.

Q: Why is there metal debris on the magnet—is that normal?
A: A small amount of fine metallic particles is normal, especially during engine break-in or after extended use. Excessive or chunky metal debris may indicate abnormal wear and should be investigated by a qualified technician.

Q: Can I reuse the old O-ring if it looks okay?
A: No. Always install a new O-ring with each oil change to prevent leaks. O-rings compress and deform over time, losing their sealing capability even if they appear intact.

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.