Extension Tail Housing Seal Kit, TH400, reproduction

Extension Tail Housing Seal Kit, TH400, reproduction

TH400 leaking from the tail housing? Solve the problem with our extension tail housing leak sealing kit for the GM TH400 Transmission with all new parts including rear tail housing metal clad seal, buching, gasket, speedo housing o-ring outer ring, and speedo housing inner seal. Designed to stop leaking at the tail housing of your TH400 transmission.

Note:

This kit will work on the TH400 extension housing with a smaller seal OD of 1.80 inches and a bushing with an OD of 2.5 inches. See p/n C-4318-1A for the kit with the larger seal measuring 2.70 inch OD and the bushing of 2.50 inch OD.

GM Turbo 400 TH400 Transmission Years:

1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73), 1974 (74), 1975 (75), 1976 (76), 1977 (77), 1978 (78), 1979 (79), 1980 (80), 1981 (81), 1982 (82), 1983 (83), 1984 (84), 1985 (85), 1986 (86), 1987 (87), 1988 (88), 1989 (89), 1990 (90), 1991 (91), 1992 (92), 1993 (93), 1994 (94), 1995 (95), 1996 (96), 1997 (97), 1998 (98)