Exhaust Elbow Gasket – Fits MerCruiser V6/V8 Engines (Replaces 27-863724) 40-150HP Drain the gear lube from

Drain the gear lube from the lower unit

and specific Jabsco pump models

or starts peeling or cracking

Tighten the hardware securely

as well as Sierra part numbers 18-57703 and 18-79960

Exhaust Elbow Gasket – Fits MerCruiser V6/V8 Engines (Replaces 27-863724) 40-150HP Drain the gear lube fromProduct Details This standard cooling Exhaust Elbow Gasket Fits MerCruiser V6 V8 Engines 1981 1997 (Replaces 27 863724) provides an optimal seal for MerCruiser V6 and V8 stern drive and inboard engines (19811997) with center rise outlet exhaust manifolds. It ensures proper exhaust flow while maintaining a reliable cooling system seal. This part offers a direct interchange for Mercury MerCruiser 27 41813, 27 860233, and 27 863724; Sierra 18 0897; Barr