A-21A874 Autolite Spark Plug PN: 21A874

This is a A-21A874 Autolite Spark Plug PN: 21A874Main Description As Following : A-21A874 Autolite Spark Plug P.N: 21A874 Dim A (1): Autolite 437Dim B (2): 14mm ThreadDim C (3): 7/16" ReachDim D (4): 13/16" Hex Shoulder Replaces: A-AL82 FORD , N0012405R FORD , A-RH18Y MISCELLANEOUS , A-21A882 MISCELLANEOUS , A-437 MISCELLANEOUS , Crossed From: WR9FC BOSCH , 1559483 GMC HOUSINGS , 3000-6000 , Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : Dim A (1): Autolite 437 Dim B (2): 14mm Thread Dim C (3): 7/16" Reach Dim D (4): 13/16" Hex Shoulder