Engines & Maintenance

Sierra Exhaust Bellows - Mercruiser - S-18-2750. All #1 Units, Gen II, TRS, & Bravo I, II, IIIReplaces: 32734, 32734A3, 18654A1 (Includes S-18-710-48-2 Clamp) Part Number SRA-S-18-2750

Sierra Exhaust Bellows Kit - Mercruiser - S-18-2758. Replaces: 875848, 876631AQ200, 250, 270, 275, 280, 280DP, 290, 290DP Part Number SRA-S-18-2758

Sierra Exhaust Boot - Mercruiser  Lower Tube: 4" or 101.6mmFits: MCM GM V-6 & V-8 engines Interchangeable with the following:GLM89130Mercruiser Stern Drive32-1435832-1435800132-14358T

Sierra Exhaust Boot - Mercruiser  Upper Tube: 4" or 101.6mmFits: MCM 120, 140 & GM V-6 & V-8 enginesUse with: Riser with Exhaust Tube 18-1975-1 Interchangeable with the following:GLM89120Mercruiser Stern...

Sierra Exhaust Elbow (Dry Joint) - Mercruiser - S-18-1845. Replaces: 864591T02Fits: 2004 & Up V6 & V8(305, 350, 377) SN 0W310000 & Up, 2002 & Up V8(350 & 377) SN 0M317000 & UpUse with:Manifolds: S-18-1843, S-18-1842Dry Joint Elbow Gaskets: S-18-0720,...

Sierra Exhaust Elbow Gasket For Mercruiser  Fits: MCM 120 (1993 & newer), 140/3.0L, 470, 165 in-line 6 cyl., GM V-8 small block (1982 & older)Fits: Ford V-8 engines Use with:18-1975-1  Riser With Exhaust Tube18-1971 ...

Sierra Exhaust Elbow Kit Mounting Package Use With:18-1939: Riser18-1907: Riser18-1999: Manifold Elbow Kit Contains:18-4258: Pipe Plug18-2854-1-9: Gasket, Exhaust Elbow Interchangeable with the following:Barr20-0082POsco992-MK

Sierra Exhaust Elbow Mounting Kit Item No: S-18-8530 Mercruiser 4 cyl. 224 cu. in. 3.7L (models 165, 170, 180 & 190) Contains18-0881-1 - Gasket Interchange Mallory9-40581

Sierra Exhaust Flapper Protector Valve Includes: Stainless Steel ClampSize: 5" & 6" or 127mm & 152.4mmCompounded rubber flapper valves prevent water from entering the exhaust systemMade with weather resistant EPDM with U/V stabilizer5"...

Sierra Exhaust Hose  Interchangeable with the following: GLM89224OMC Stern Drive3852696913405 Volvo Penta3852696

Sierra Exhaust Hose  Interchangeable with the following: GLM89222OMC Stern Drive3852741911741913591 Volvo Penta38527413863450

Sierra Exhaust Hose  Interchangeable with the following: EMP32-06103GLM89230OMC Stern Drive3852742912376913592 Volvo Penta3852742