Exhaust Hose | Sierra 18-2780-1
Exhaust Hose | Sierra 18-2780-1
Sierra
18 in stock
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Exhaust Hose | Sierra 18-2780-1
Exhaust Hose | Sierra 18-2780-1
Rubber hose connects exhaust elbow to exhaust pipe on multiple model OMC and Volvo Penta marine engines.
- Fits OMC 2.3L marine engines from 1989-1990
- Fits OMC 2.5L marine engines from 1994-1998
- Fits OMC 3.0L marine engines from 1986-1991
- Fits OMC 4.3L marine engines from 1990-191
- Fits OMC Ford 5.0L and 5.8L marine engines from 1991
- For Volvo Penta 3.0L GL, GS, GI, GLM, GLP, GSM, GSP, and GS model marine engines
- For Volvo Penta 4.3L GL, GS, GI, GXI, and OSI model marine engines
- For Volvo Penta 5.0L FL, FI, GL, GXI, and OSI model marine engines
- For Volvo Penta 5.7L GL, GI, GXI, OSI, OSXI, GIL, and GXIL model marine engines
- For Volvo Penta 5.8L FL, FI, and FSI model marine engines
- For Volvo Penta 7.4L GL, GI, and GSI model marine engines
- For Volvo Penta 8.2L GSI model marine engines
- 3 1/2 in. ID hose
- 5 1/2 in. long with small hump in middle of hose
- Replaces OMC 3852741, 3863450
- Replaces Volvo Penta 3852741, 3863450
- Replaces Mallory 9-72814
- Replaces Sierra 18-1075, 18-2780

! 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.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.