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MerCruiser Triangular Engine Couplers

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                4 Cyl. Engines

This replaces MerCruiser p/n 12632A6 which is a triangular engine coupler. They are used on some late model 4 cylinder engines. Now they have a tube attached with a grease fitting so you can lubricate the drive shaft splines without removing the outdrive as long as your old drive shaft has the extra o-ring grove cut into it to keep the grease from coming out around the end of the shaft instead of going through to the splines. It is always best to remove your old coupler before ordering a replacement to make sure you're ordering the correct coupler.

Click here for a picture of drive shaft required

Click here for models that use this coupler

This coupler comes from Sierra Marine and includes ( 3 ) bolts and ( 3 ) rubber pads.

4 cylinder coupler bolt holes would measure 11 5/8 inches apart if it were a full circle ( 5.812 from center )

Shipping Wt. 10 1/2 Lbs.                    : Order # 2321

 

 

                V-6 & V-8 Engines

This replaces MerCruiser p/n 18643A5 which is a triangular engine coupler. They are used on some late model V-6 & V-8 engines. Now they have a tube attached with a grease fitting so you can lubricate the drive shaft splines without removing the outdrive as long as your old drive shaft has the extra o-ring grove cut into it to keep the grease from coming out around the end of the shaft instead of going through to the splines. It is always best to remove your old coupler before ordering a replacement to make sure you're ordering the correct coupler.

Click here for a picture of drive shaft required

Click here for models that use this coupler

This coupler comes from GLM Marine and includes ( 3 ) bolts and ( 3 ) rubber pads.

V-6 & V-8 coupler bolt holes would measure 12 5/8 inches apart if it were a full circle ( 6.312 from center )

Shipping Wt. 10 1/2 Lbs.                    : Order # 1532

 

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