Diesel Glow Plug is a direct fit for the following:

1987-1994 Chevrolet Blazer
1982-1986 Chevrolet C10
1982-1986 Chevrolet C10 Suburban
1988-1996 Chevrolet C1500
1995-1999 Chevrolet C1500 Suburban
1982-1986 Chevrolet C20
1982-1986 Chevrolet C20 Suburban
1988-2000 Chevrolet C2500
1994-1999 Chevrolet C2500 Suburban
1982-1986 Chevrolet C30
1988-2000 Chevrolet C3500
1996-2002 Chevrolet Express 2500
1996-2002 Chevrolet Express 3500
1983-1995 Chevrolet G20
1982-1996 Chevrolet G30
1982-1986 Chevrolet K10
1982-1986 Chevrolet K10 Suburban
1988-1998 Chevrolet K1500
1995-1999 Chevrolet K1500 Suburban
1982-1986 Chevrolet K20
1982-1986 Chevrolet K20 Suburban
1988-2000 Chevrolet K2500
1994-19999 Chevrolet K2500 Suburban
1982-1986 Chevrolet K30
1988-2000 Chevrolet K3500
1985-1986 Chevrolet P20
1982-1999 Chevrolet P30
1987 Chevrolet R10
1987-1988 Chevrolet R10 Suburban
1989-1988 Chevrolet R1500 Suburban
1987-1988 Chevrolet R20
1987-1988 Chevrolet R20 Suburban
1989 Chevrolet R2500
1989-1991 Chevrolet R2500 Suburban
1987-1988 Chevrolet R30
1989-1991 Chevrolet R3500
1995-1998 Chevrolet Tahoe
1982-1996 GMC C1500
1982-1999 GMC C1500 Suburban
1982-2000 GMC C2500
1982-1999 GMC C2500 Suburban
1982-2000 GMC C3500
1983-1995 GMC G2500
1983-1996 GMC G3500
1982-1991 GMC Jimmy
1982-1998 GMC K1500
1982-1999 GMC K1500 Suburban
1982-2000 GMC K2500
1982-1999 GMC K2500 Suburban
1982-2000 GMC K3500
1982-1988 GMC P2500
1982-1999 GMC P3500
1987 GMC R1500 1987-1991 GMC R1500 Suburban
1987-1989 GMC R2500
1987-1991 GMC R2500 Suburban
1987-1991 GMC R3500
1996-2002 GMC Savana 2500
1996-2002 GMC Savana 3500
1994-1997 GMC Yukon

Genuine GM Part Number: 12563554