Mercury/Quicksilver Thermostat Housing Gasket (27-418122)

Suitable for the following motor/gearbox types:

420 / 425 - 420 GM 454 V-8 1987-1989
525 SC - GEN VI - 525 SC - Gen VI
500 BULLDOG - 500 Bulldog
525 HP ENGINE - 525 SC (GEN. V) GM 454 V-8 1996
SCORPION 377 STERNDRIVE - Scorpion 377 Sterndrive
465 HP ENGINE - 465 (GEN. V) GM 502 V-8 1992-1994
500 CARB (502CID) 8.2L ENGINE (GEN VI) - 500 (GEN. VI)GM 502 V-8 1997-1998
500 BULLDOG - 500 Bulldog 1999-2001
500 EFI - 500 EFI
PS 500 (502 CID) - 500 (GEN. V) GM 502 V-8 1996

420 / 425 - 425 (GEN. V) GM 454 V-8 1992-1993
525 HP ENGINE - 525 SC (GEN. V) GM 454 V-8 1992-1995
500 CARB (502CID) 8.2L ENGINE (GEN +) - 500 (GEN. +) GM 502 V-8 1999
540 STROKER 4V - 540 Stroker 4V
500 HP 8.2L (502 CI) ENGINE - 500 (GEN. V) GM 502 V-8 1994-1995
450 hp (454 CID) 7.4L ENGINE - 450 (GEN. V) GM 454 V-8 1995-1996
PS 500 BULLDOG (540 CID) - 500 Bulldog GM 540 V-8 1990-1996
PS 500 BULLDOG (540 CID) - 500 Bulldog GM 540 V-8 1990-1996