same day shipping clock icon
free shipping box icon
price tag icon

Mercruiser Engine Couplers

8204
guidebook

Parts Selection Guide

Find the parts you need

Clear
  • 1) Engine Manufacturer:
  • 2) Part Type:
  • 3) Select Model:

Prop Selection Guide

Find the right prop for your boat

Clear
  • Engine Manufacturer:
  • Engine Horsepower:
  • Engine Model:
  • Engine Year:
  • Prop Pitch:
      • Sierra 18-4442 Engine Alignment Tool Replaces 91-805475A1
        List Price: $155.99
        Starting At: $118.49

        Engine Alignment Tool for Mercruiser, OMC, Volvo Used to verify engine alignment on the following: All MC-I, R-MR, Alpha 1, Alpha One/Gen 2 drives All Bravo drives All OMC Cobra drives Replaces: Mercruiser OEM 91-805475A1, 91-57797A3, 91-37384,...

        Add to Cart
      • Sierra 18-2175 Engine Coupler Kit Replaces 18643A
        List Price: $440.99
        Starting At: $334.99

        Mercruiser Engine Coupler Kit by Sierra Flex plate style for late model, small crankshaft bolt pattern, style engines. Uses: Yoke Shaft 18-2146 Replaces: Mercruiser 18643A7,12632A4,18643A2 Aqua Power 13058 Redline RL2175   Alignment Video...

        Add to Cart
      • Sierra 18-2414 Engine Coupler Replaces 97432A2
        List Price: $539.49
        Starting At: $377.99

        Mercruiser Engine Coupler by Sierra For 165, 170, 470, 3.7L S/N 6170297 & Up (1983 - 1989), 180, 190, 488, 3.7LX S/N 6170297 & Up (1983 - 1989). Replaces: Mercury - 97432A2 Mallory - 9-72505   Alignment Video

        Add to Cart
      • Sierra 18-2413 Engine Coupler Replaces 69354A2
        List Price: $486.99
        Starting At: $340.99

        Mercruiser Engine Coupler by Sierra For 470, 485 (224 cu. in.) S/N 4208730-6218036 (1976-1982). Replaces: Mercury - 69354A2 Mallory - 9-72504 Redline - RL2413  Alignment Video

        Add to Cart
      • Sierra 18-2172 Engine Coupler Replaces 14505A2
        List Price: $405.99
        Starting At: $283.99

        Mercruiser Engine Coupler by Sierra Used when replacing V6 or V8 2 piece rear main seal with 3-1/2" crankshaft bolt pattern to a newer 1 piece rear main seal engine with 3" bolt pattern. Replaces: Mercruiser 14505A2 GLM 11520 Mallory 9-72500 OMC ...

        Add to Cart