Rareelectrical Lower Gear Housing Seal Kit Compatible With 1964-1990 Mercruiser Mc-I R Mr Alpha One Gen I Sterndrive Replaces 26-33144A2 26-33144A1 S18-2652 18-2652

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Management number 212746108 Release Date 2026/04/06 List Price US$29.64 Model Number 212746108
Category

MERCRUISER ALPHA ONE GEN I / R / MR / MC-I LOWER GEARCASE: MerCruiser I / IA / IB / IC & EZ Shift (1964-1977, all serial numbers) MerCruiser MC-I (serial 3106717-6225576, 1971-1982) MerCruiser R / MR / Alpha One (serial 6225577-0D469858, 1983-1990) MerCruiser Alpha One SS (1986-1989) MerCruiser SSM II / III / IV / V (1982-1990) OEM PART NUMBERS: Mercury/MerCruiser: 26-33144A2 / 26-33144A1 / 26-89238A1 Sierra: S18-2652 / 18-2652 | GLM: 87510 | Mallory: 9-74304 LOWER GEAR HOUSING SEAL KIT — MerCruiser MC-I / R / MR / Alpha One Gen I: Lower gearcase seal kit for all pre-1991 MerCruiser I/O sterndrives through serial 0D469858. Replaces 26-33144A2, 26-33144A1, 26-89238A1, S18-2652, 18-2652, GLM 87510, Mallory 9-74304. ⚠️ IMPORTANT: Fits Gen I lower housing ONLY. Verify serial number before ordering.

  • Compatible with Mercruiser. Please verify your OEM part number from your original unit to help ensure fitment.
  • Replaces: Oem Part Numbers: / Mercury/Mercruiser: 26-33144A2 (Current) / Mercury/Mercruiser: 26-33144A1 / 26-89238A1 (Superseded) / Sierra: S18-2652 / 18-2652 / Glm: 87510 / Mallory: 9-74304 / / Specifications: / Product Type: Lower Gear Housing Seal Kit (Gearcase Seal Kit) / Application: Mercruiser Mc-I / R / Mr / Alpha One Gen I Lower Gearcase / Serial Number Range: All Through 0D469858 (Through 1990) / Drive Types: I, Ia/Ib/Ic, Ez Shift, Mc-I, R, Mr, Alpha One,
  • Applications: Mercruiser Mc-I / R / Mr / Alpha One Gen I — Lower Gear Housing: / Mercruiser I / Ia / Ib / Ic & Ez Shift Sterndrive (1964-1977) / Mercruiser Mc-I Sterndrive (Serial 3106717-6225576, 1971-1982) / Mercruiser R Sterndrive (Serial 6225577-0D469858, 1983-1990) / Mercruiser Mr Sterndrive (Serial 6225577-0D469858, 1983-1990) / Mercruiser Alpha One Gen I Sterndrive (Serial 6225577-0D469858, 1983-1990) / Mercruiser Alpha One Ss Sterndrive (1986-1989) / Mercruiser Ssm
  • Applications: Ii / Iii / Iv / V Sterndrive (1982-1990)...
  • Lower Unit Seal Kit Source: Aftermarket
Brand Rareelectrical
Model Aftermarket Lower Unit Seal Kit
Exterior Machined
Item Weight 3 pounds
Manufacturer RAREELECTRICAL
Item model number 446-190A1
Product Dimensions 12 x 10 x 5 inches
Manufacturer Part Number 446-190A1

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