New 12¾ inch flywheel for 1990 and later 3.0L/181ci marine engine. This 12 3/4" flywheel is required when using post 1990 long block to replace a Pre-1990 engine. (Mercruiser, OMC). This flywheel will fit your existing starter and bellhousing in Pre-1990 3.0L engines applications. Replaces: MerCruiser and Quicksilver 710-220-801873.
Engineered Marine Products 93-93600. This triangular style engine coupler is for GM 4 cylinder engines with late style, small crankshaft bolt pattern. Fits 3.0L/181ci Engines where the coupler mounts to the Flywheel and not the crankshaft. Includes Mounting Hardware.
Mercruiser Bravo Engine Coupler by Sierra. Will work on Bravo I,Bravo II, and Bravo III. Includes all mounting hardware. Replaces: Mercruiser 18311A17, Mercruiser 861523A-9, Mercruiser 8M0098795, Mallory 9-72503, and Sierra- 18-2412.