Sierra Exhaust Manifold (Dry Joint) - Mercruiser - S18-1843. Replaces: 865735A02, 865049T01, 864308T01 Fits: 305, 350, 377, 5.0L, 5.7L, 6.2L(2002 and Newer) Use with: Manifold Gasket:...

Sierra Exhaust Elbow (Dry Joint) - Mercruiser - S18-1845. Replaces: 864591T02 Fits: 2004 & Up V6 & V8(305, 350, 377) SN 0W310000 & Up, 2002 & Up V8(350 & 377) SN 0M317000 &...

Sierra Exhaust Manifold Gasket Set - Mercruiser - S18-4396. Replaces: 27-46401A1 For: 250 (4.1L) CID Eng; 165 HP S/N 2770032 & UP Contains: Sierra CodeDescriptionO.E #Qty S18-283

Sierra Exhaust Manifold Gasket Set - Mercruiser - S18-4348 For: GM 454, 525 (7.4L & 8.2L) Contains: Sierra CodeDescriptionO.E #Qty S18-0418 Manifold to Cylinder Head...

Sierra Exhaust Manifold Gasket Set - Mercruiser - S18-4349 For: GM 200, 228, 230, 260, 898 (5.0 & 5.7L) Contains: Sierra CodeDescriptionO.E #Qty S18-2949 Exhaust Manifold...

Sierra U-Joint - Mercruiser - S18-2104. Heavy Duty Replaces: 75832, 75832A2, 75832T, 758321, 75832T1, 75832A1, 75832A3, 58749, 41431, 36312 Includes both straight and 90° grease fitting. For: all...

Sierra U-Joint - Mercruiser - S18-2097. Permalube Replaces: 8055361, 805536A1, 805536A2 For: Generation II F680000 & UP Part Number SRA-S18-2097

Sierra U-Joint - Mercruiser - S18-2174. Heavy Duty Replaces: 915717, 3850812 Fits OMC Cobra and King Cobra Drives (1990 & ABOVE) Includes straight grease fitting and 90° fitting...

Sierra U-Joint - Mercruiser - S18-1711. Replaces: 862132, 862132T For: Bravo One, Two, & Three (All Ratios), Bravo One X/Two X, Three X (All Ratios), Bravo One XR/ XZ(All Ratios), Bravo One XR...