Moldings, bodyside, vader

Years 1989, 2000–01, 2009, 2014–16, 2023, 2025–27 Models 5 Factory citations 15

Also described as Molding, bodyside, customMoldings, body-color with chrome insertMolding, body side, wide, blackMolding, body side, custom

Also documented for Buick Cadillac Chevrolet Oldsmobile Pontiac Saturn

Documented applications

Acadia — first generation, Lambda (2007–2017)

2009 Factory-verified

GM factory document — 2009 gmc acadia 2wd rpo code list, p.1.
2014–2016 Factory-verified

only in: Denali. The 2008–2009 lists read bodyside molding, custom.

GM factory document — 2014 gmc acadia fleet order guide wayback, p.3.
GM factory document — 2015 gmc acadia fleet order guide wayback, p.3.
GM factory document — 2016 gmc acadia fleet order guide wayback, p.3.

Safari — First generation (1985–1994)

1989 Factory-verified

wide black body side molding; not with ZY7 paint; the merged second-generation doc reads the code as a custom body side molding; shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.

GM Heritage factory kit — 1989 Chevrolet Astro Van, p.13.

Safari — Second generation (1995–2005)

2000, 2001 Factory-verified

GM factory document — 2000 gmc safari 2wd rpo code list, p.1.
GM factory document — 2001 gmc safari 2wd rpo code list, p.1.

Yukon — T1XX (2021–2027)

2023, 2025–2027 Factory-verified

2027: Denali Ultimate: S

GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.10.
GM factory document — 2025 gmc new yukon denali fleet order guide, p.16.
GM factory document — 2026 gmc yukon denali fleet order guide, p.17.
GM factory document — 2027 gmc yukon fleet order guide, p.15.

Yukon XL — T1XX (2021–2027)

2023, 2025–2027 Factory-verified

2027: Denali Ultimate: S

GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.10.
GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.16.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.18.
GM factory document — 2027 gmc yukon xl fleet order guide, p.15.

This page aggregates every documented appearance of B88 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.