Sierra Marine

Sierra Retaining Nut - Mercruiser. Replaces: 8168111, 8168112, 66071, 35992 Part Number SRA-S18-3752

Sierra Complete Lower Gear Case - Mercruiser. Replaces: 1623-815822A53, 1623-815822A5, 1623-815822A32, 1623-81582243 For: Ratios 1.47, 1.62, 1.81 & 1.94 Fits: Gen II (1998 & up) 0L100040...

Sierra Nut and Washer Kit - Mercruiser. Fits: Mercruiser R/MR/Alpha/Gen II Drives Part Number SRA-S18-72005

Sierra Lower Gear Housing - Mercruiser. Replaces: 1623-8951A27, 1623-8951A37, 1623-8951A5, 1623-8951A15 For: MR/ALPHA Style Bore size 3.2635-3.2650. Includes tapered roller bearing for non-tractor...

Sierra Gear Housing Assembly - Mercruiser. Replaces: 1623-815822A36 For: Ratios 1.47, 1.62 Gen II (1998 & up), (0L100040 & up) Used with: S18-2400 Complete Lower Gear Case Part...

Sierra Thrust Washer - Mercruiser - S18-4220. Replaces: 12-13171, 12-77987, 12-8354671, 12-77987A1, 12-835467, 12-835467Q01, V-6 Outboards & Mercruiser Sterndrives Part...

Sierra Head Gasket - Mercruiser - S18-3876. Replaces: 3853380, 914971 For: GM 305 (5.0L)/350 (5.7L) CID Eng. Part Number SRA-S18-3876

Sierra Head Gasket - Mercruiser - S18-3874. Replaces: 3853511 For: (8.2L) 502 CID Part Number SRA-S18-3874

Sierra Thrust Washer - Mercruiser - S18-4221. Replaces: 13191A1,75282A1, 4 & 6 Inline - 75-150 HP Part Number SRA-S18-4221

Sierra Head Gasket - Mercruiser - S18-3877. Replaces: 914849 For: GM 454 (7.4L) CID Eng. Part Number SRA-S18-3877

Sierra Head Gasket - Mercruiser - S18-3878. Replaces: 912766 For: 460 Ford *** PLEASE NOTE:  BUY IN item only.  T&Cs apply.  Lead time for supply can take 2-4 months from order...

Sierra Head Gasket - Mercruiser - S18-3880. Replaces: 311210 For: GM 153 (2.5L) Part Number SRA-S18-3880

Sierra Oil Pan Gasket - Mercruiser - S18-1237. Replaces: 3856138 For: GM 5.7L Part Number SRA-S18-1237

Sierra Head Gasket - Mercruiser - S18-3880. Replaces: 311210 For: GM 153 (2.5L) Part Number SRA-S18-3880

Sierra Head Gasket - Mercruiser - S18-3879. Replaces: 3854299, 912227, 914930 For:  GM 262 (4.3L) CID Eng. Part Number SRA-S18-3879

Sierra Head Gasket - Mercruiser - S18-3887. Replaces: 915325 For: (7.4L) 454 CID GEN V Part Number SRA-S18-3887

Sierra Timing Cover Seals - Mercruiser - S18-1213. Replaces: 26-97335, 26-11973, 26-42750, 26-54799 Part Number SRA-S18-1213

Sierra Intake Manifold Gasket Set - Mercruiser - S18-4392. Replaces: 27-75611A2, 27-75611A1 For: GM 305 & 350 CID Eng. 898 (198 HP) 200, 228, 230/260 (Inboard) 230, 250, 255, 260, 280 & 5...

Sierra Intake Manifold Gasket Set - Mercruiser - S18-4384. For: GM 181 (3.0L) CID Eng; S/N 2508261-6229717 (Except 3.0LX) Part Number SRA-S18-4384

Sierra Intake Manifold Gasket Set - Mercruiser - S18-4388. Replaces: 27-11977A88, A92 For: GM 262 CID Eng; 175, 185 & 205 HP, 4.3L Includes S18-3879 Head Gasket Part...