Wheel opening flares, extra wide

Years 1985–90, 1998–00 Models 5 Factory citations 13

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Also described as Moldings, wheel opening, blackMolding, wheel opening, extra wide

Also documented for Chevrolet Hummer

Documented applications

Jimmy — first generation (1983–1994)

1987, 1989 Factory-verified

included with YC3; shared S/T platform code; cited from the joint S-10/15 Blazer/Jimmy pages of the S-10 Blazer kit

GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.44.
GM Heritage factory kit — 1989 Chevrolet Blazer, p.17.

Safari — Second generation (1995–2005)

1998, 1999 Factory-verified

GM factory document — 1998 gmc safari 2wd rpo code list, p.1.
GM factory document — 1999 gmc safari 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

1999–2000 Factory-verified

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c sierra 2wd rpo code list, p.1.

Sonoma — first generation (1982–1993)

1985–1990 Factory-verified

1985–1986 from the sunshine striping paint text (either B74 or B96 required); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits

GM Heritage factory kit — 1985 Chevrolet S 10, p.44.
GM Heritage factory kit — 1986 Chevrolet S 10, p.37.
GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
GM Heritage factory kit — 1990 Chevrolet S 10, p.21.

Yukon — GMT800 (2000–2006)

2000 Factory-verified

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of B74 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.