Sierra U-Joint Bellows - Mercruiser - S18-2756. Replaces: 86840A3, 86840A05, 8M0062406 Fits: All Bravo and Blackhawk models Part Number SRA-S18-2756

Sierra U-Joint Bellows - Mercruiser - S18-2747. Alpha 1, Gen II Replaces: 816431A1 Part Number SRA-S18-2747

Sierra U-Joint Bellows - Mercruiser - S18-2752. All #1 units without ridge (S/N 3443920 & BELOW) Replaces: 36223, 36223A1, 36223A2 (Includes S18-710-72-2 Clamp) Part...

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 - S18-2104. 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 - S18-1711. 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...

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 Assembly - Mercruiser - S18-6406. Replaces: 865496A01, 865493A01, 865510T, 865496A01, 865511T GKN new style with external clips. Fits: Alpha I Gen II 0L949779 & UP, Bravo...

Sierra Exhaust Bellows - Mercruiser - S18-2750. All #1 Units, Gen II, TRS, & Bravo I, II, III Replaces: 32734, 32734A3, 18654A1 (Includes S18-710-48-2 Clamp) Part...