2-pack Engine Block Drain Plug Kit 22-16951A1 16951Q1 Mercruiser Stern Drive
For MerCruiser Manifold and Block Drain Plug Kit.
Used to drain your engine block and manifold
Used on all of the older manifolds and blocks
MerCruiser engines from the 70s and 80 and early 90s
Threads are 1/4 pipe
Part Number: 22-16951Q1
These fit the block drain plugs on each side of the engine block of a GM V6 or V8 engine. 4-cylinder uses one plug. Also fits some drain ports in exhaust manifolds.
Replaces 22-16951q1, 82745-1, 16951Q1 , 8247, 22-16951Q1 82744 82745 379957 2 2-16951Q1 22-16951A1 22-16951T1
Includes:
2 x Brass plug and petcock assembly
（The package contains all the parts shown in the picture.）
If you can not sure that the parts can fit to your engine, pls contact to us or send your engine model type to us, we will reply and give you suggestion ASAP.