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Description
Sierra 18-70938 Exhaust Manifold Molded Hose
Sierra replacement exhaust manifold molded hose for Mercruiser Stern Drives.
- For thermostat housing to port exhaust manifold
- Fits MCM/MIE GM V06 & V-8 (305 & 350 CID) engines
Interchangeable with:
- Mallory
- 9-44057
- Mercruiser Stern Drive
- 32-8066351
Fits:
- 4.3L-LX ( 1993-96) Design III
- 5.0L-LX (1988-95) Design III
- 350 Mag-EFI-MPI (1987-1996)
- 5.7L-LX (1986-96) Design III
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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