Exhaust Elbow Gasket – Fits OMC Stern Drive & Volvo Penta 3.0L (Replaces 3850495, 908013)

Exhaust Elbow Gasket – Fits OMC Stern Drive & Volvo Penta 3.0L (Replaces 3850495, 908013)

This exhaust elbow gasket is designed for OMC Stern Drive 2.5L and 3.0L models, as well as Volvo Penta 3.0L engines. It creates a reliable seal between the exhaust elbow and the manifold or riser, preventing leaks and ensuring proper engine performance.

This part is a direct replacement for Volvo Penta 3850495, OMC 908013/33770, Sierra 18-2875, and Mallory 9-42800.

• Creates a secure seal between the exhaust elbow and manifold/riser.
• Direct bolt-on installation.
• Package includes two gaskets.

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.

OMC

Volvo Penta

Technical Specifications

Package Contents

• 2 x Exhaust Elbow Gasket (3850495/908013)

Installation Guide

1. Safety First: Ensure the engine is completely cool and the battery is disconnected before starting.
2. Locate Gasket: Identify the connection point between the exhaust elbow/riser and the exhaust manifold.
3. Remove Bolts: Carefully loosen and remove the mounting bolts that secure the exhaust elbow or riser.
4. Remove Old Gasket: Gently separate the components and remove the old gasket.
5. Clean Surfaces: Thoroughly clean both mating surfaces. All traces of old gasket material and corrosion must be removed for a proper seal.
6. Position New Gasket: Place the new gasket, making sure it aligns perfectly with the bolt holes and passages.
7. Reassemble: Re-position the exhaust elbow/riser and tighten the bolts in a crossing pattern to the manufacturer's recommended torque specifications.
8. Final Check: Once assembled, reconnect the battery and run the engine, checking carefully for any signs of exhaust or water leaks around the new gasket.

Troubleshooting & FAQ

Q: How do I confirm this gasket fits my engine?

A: Review the "Part Number Cross-Reference" and "Compatible Engine Models" tables on this page. This gasket is a direct replacement for Volvo Penta 3850495 and OMC 908013/33770, designed for specific OMC Stern Drive and Volvo Penta 3.0L engines. Matching the part number is the most reliable way to ensure a correct fit.

Q: What are the signs my exhaust elbow gasket is failing?

A: Common symptoms of a bad gasket include visible water leaks from the joint between the manifold and riser, engine overheating, or, in severe cases, water entering the cylinders (hydrolock), which can cause catastrophic engine damage.

Q: Is this listing for a single gasket or a pair?

A: This product is sold as a package of two gaskets.

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.