GM Big Block Exhaust Manifold | Bombardier 3861459
GM Big Block Exhaust Manifold | Bombardier 3861459
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OEM cast iron center rise exhaust manifold fits OMC & Volvo Penta 7.4L 454 CID & 8.2L 502 CID marine engines.
GM Big Block Exhaust Manifold | Bombardier 3861459
- OMC & Volvo Penta exhaust manifold
- Fits GM V8 big block 454 and 502 cu. in. marine engines
- Interchangable between port and starboard side
- Includes hose barb fitting, plug, and blue drain plug assembly
- Raised “Volvo Penta” on casting
- Heavy duty cast iron
- Painted black
- Original OMC
- Replaces OMC/Johnson/Evinrude 3852362
- Replaces Volvo Penta 3861459
! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
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