3850495 Exhaust Elbow Gaskets for OMC Cobra - 2 Pack
3850495 Exhaust Elbow Gaskets for OMC Cobra - 2 Pack is backordered and will ship as soon as it is back in stock.
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3850495 Exhaust Elbow Gaskets for OMC Cobra - 2 Pack
3850495 Exhaust Elbow Gaskets for OMC Cobra - 2 Pack is backordered and will ship as soon as it is back in stock.
SERDAMARINE / MARINE EXHAUST PARTS
3850495 Exhaust Elbow Gaskets for OMC Cobra - 2 Pack
Two identical aftermarket exhaust elbow gaskets referenced to 3850495 for the listed OMC Cobra 2.5L and 3.0L applications. Each gasket serves the elbow-to-manifold joint.
Engine Applications
- OMC Cobra 2.5L and 3.0L exhaust elbow applications; 120, 140 and 165 CV application group. Match OEM 3850495 and the elbow joint configuration.
Reference Numbers
The numbers below are provided for part identification and cross-reference only; they do not imply manufacturer identity or guaranteed interchangeability across different exhaust configurations. Keep all leading zeros, prefixes, and suffixes when comparing your original gasket part number.
| OMC OEM References | 3850495, 908013 |
|---|---|
| Volvo Penta OEM Reference | 3850495 |
| Primary OEM References (Unassigned Brand) | 0778045, 0908013, 778045 |
| MerCruiser Reference | 802376 |
| Sierra Aftermarket References | 18-2875, 18-2875-1, 18-2875-1-9 |
| GLM Aftermarket Reference | 33770 (GLM33770) |
Supplied Parts
- 2 × Exhaust Elbow Gasket — identical gaskets with the same OEM reference: 3850495.
Service & Installation Notes
General service guidance only. Use the service manual for your exact engine and exhaust configuration.
- Ensure the engine and exhaust system are completely cool, shut off the battery switch to prevent accidental starting, and support the exhaust elbow before loosening fasteners.
- Remove old gasket material and inspect the mating surfaces of the exhaust elbow joint for corrosion, pitting, or distortion without gouging the sealing faces.
- Verify that the port openings and bolt holes on the new gasket match the exhaust elbow joint arrangement on your engine.
- Position the gasket at the exhaust elbow joint and tighten the mounting fasteners according to the sequence and specifications in your engine service manual.
- Inspect the joint during initial operation and stop the engine immediately if any exhaust or sealing abnormality is observed.
The Serdamarine Approach
Exhaust parts need a configuration match. Serdamarine focuses on marine exhaust manifolds and their related service parts. Application details, connection requirements and public reference numbers are presented together to support part selection.
Questions Before Replacement
Where is this gasket installed on the exhaust system?
It installs at the exhaust elbow joint on specified OMC and Volvo Penta 2.5L and 3.0L (120, 140, 165CV) applications. It is an individual gasket component, not a complete exhaust manifold assembly.
Can I select this gasket by engine displacement or output rating alone?
No. 2.5L and 3.0L (120, 140, 165CV) engines can use different exhaust elbow and manifold arrangements. Match the exact elbow-joint layout together with the complete OEM or aftermarket reference number, including any leading zeros or suffixes.
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