Rareelectrical Oem Grade Rear Main Seal Compatible With Mercruiser Gm 2.5L 3.0L 4.3L 5.0L 5.7L Stern Drive 2-Piece Crankshaft Seal Standard Lh Rotation 120Hp Replaces 26-58203 26-814622 473424 18-1211

MERCRUISER GM SMALL BLOCK / V6 — 2-PIECE REAR MAIN SEAL: MCM 120HP / 2.5L GM 153 CID I/L4 (s/n 2786857 & up) MCM 140HP / 3.0L & 3.0LX GM 181 CID I/L4 (s/n 6229718 & up) MCM 150 / 160 / 165 / 200HP GM I/L-6 (s/n 2770032 & up) MCM 175 / 185 / 205 / 262HP / 4.3L V-6 (s/n 6330183 & up) MCM 200-320HP / 5.0L / 5.7L / 898 V-8 (s/n 2453769 & up) OMC / JOHNSON / EVINRUDE / VOLVO PENTA: OMC Stern Drive — OEM 473424 Johnson/Evinrude — OEM 473423 Volvo Penta GM-Based 2.5-5.7L Stern Drives OEM PART NUMBERS: MerCruiser: 26-58203 / 2658203 / 26-49947 / 2649947 / 26-814622 / 26814622 MerCruiser: FI5110041 / FI5110027 / FI5110026 OMC: 473424 — J/E: 473423 GLM: 85490 — 9-61620 2-Piece Rear Main Seal — MerCruiser / OMC / Volvo Penta GM Engines: Direct replacement 2-piece crankshaft rear main seal for GM-based marine engines with standard LH rotation. Fits all MerCruiser GM small block and V6 stern drives from 120HP through 320HP (1968-1989 era 2-piece RMS). OMC, Volvo Penta, and Johnson/Evinrude applications using the same GM engine platform. ADDITIONAL CROSS-REFERENCES: Product Type: Rear Main Seal — 2-Piece Engines: GM 2.5L (153), 3.0L (181), 4.3L (262 V6), 5.0L (305 V8), 5.7L (350 V8) HP Range: 120-320HP Material: Rubber / Steel — OEM Grade Condition: New ⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.

• Compatible with Mercruiser. Please verify your OEM part number from your original unit to help ensure fitment.
• Replaces: Oem Part Numbers: / Mercruiser: 26-58203 / 2658203 / Mercruiser: 26-49947 / 2649947 / Mercruiser: 26-814622 / 26814622 / Mercruiser: Fi5110041 / Fi5110027 / Fi5110026 / Omc Stern Drive: 473424 / Johnson/Evinrude: 473423 / Glm: 85490 / 9-61620 / Specifications: / Product Type: Rear Main Seal — 2-Piece / Rotation: Standard Lh (Left Hand) / Engines: Gm 2.5L (153), 3.0L (181), 4.3L (262 V6), 5.0L (305 V8), 5.7L (350 V8) / Years: 1968-1989 (2-Piece Rear
• Applications: Mercruiser Stern Drive — Gm Small Block / V6 (2-Piece Rear Main Seal, 1968-1989): / Mcm 120Hp / 2.5L Gm 153 Cid I/L4 (S/N 2786857 & Up) / Mcm 140Hp / 3.0L & 3.0Lx Gm 181 Cid I/L4 (S/N 6229718 & Up) / Mcm 150 / 160 / 165 / 200Hp Gm I/L-6 (S/N 2770032 & Up) / Mcm 175 / 185 / 205 / 262Hp / 4.3L Gm 262 Cid V-6 (S/N 6330183 & Up) / Mcm 200 / 228 / 225 / 230 / 250 / 255 / 260 / 270 / 280 / 300 / 320Hp / 5.0L / 5.7L / 898 Gm V-8 (S/N 2453769 & Up) / Omc Stern Drive /
• Applications: Johnson / Evinrude: / Omc Stern Drive — Gm Small Block / V6 Applications — Oem 473424 / Johnson/Evinrude — Oem 473423 / Volvo Penta: / Volvo Penta Gm-Based 2.5L / 3.0L / 4.3L / 5.0L / 5.7L Stern Drives (2-Piece Rms) / Note: / 2-Piece Seal — For Engines With 2-Piece Rear Main Seal (Pre-1990 Era) / Standard Lh Rotation Engines Only...
• Rear Main Seal Source: Aftermarket