1988-⁠98 OBS Chevy & GMC Billet Aluminum Parts

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1988-⁠98 OBS Chevy & GMC Billet Aluminum Parts

OBS interiors were built from plastic that is now thirty years old, which is why this is the largest billet department on the site. The billet climate control knobs, the daylight driving controls, the billet shift lever and the column tilt lever all replace 1995-⁠99 parts that have gone brittle, faded, or snapped off entirely — and they replace them with machined aluminum rather than a reproduction of the same plastic.

Outside, billet pillar emblems and door jamb vents for 88-⁠98 clean up the two spots on a GMT400 that always look unfinished, and the billet hood hinges for 88-⁠98 do the same job here they do on every other era. In the jamb, billet door strikers and door pins and bushings for 88-⁠98 are the pair that fixes a door that has started to drop — worth doing together, because replacing one and not the other just moves the wear.

OBS Chevy questions

What years are OBS Chevy trucks?

OBS covers the GMT400 Chevy and GMC pickups built for 1988 to 1998. The Tahoe, Yukon and Suburban on the same platform ran from 1992 to 1999, and some heavy-duty and crew cab pickups stayed in production a little longer. Not sure what you have? Decode the VIN.

What does OBS stand for?

Old Body Style. The name caught on after the 1999 GMT800 Silverado and Sierra arrived and needed telling apart. Our OBS truck guide covers the models, cabs and engines year by year.

Do 1988-⁠94 and 1995-⁠98 OBS parts interchange?

Outside the cab, mostly yes: doors, hood, bed and tailgate carry over. Inside, no. The 1995 refresh brought a new dash with a driver airbag, so dash inserts, gauge parts and some interior trim are listed for one range or the other. Each product page names the years it fits.

Do these parts fit a Tahoe, Yukon or Suburban?

The SUVs share the pickup's front clip, doors and dash, so hood hinges, hood struts, door strikers, vents and most interior parts fit both. Bed, tailgate and fuel filler parts are pickup-only. The fitment tab on each part lists the bodies it suits.

Do GMC OBS parts fit a Chevy?

Yes, apart from the grille, badges and some trim. A GMC Sierra and a Chevy C/K of the same year share the cab, bed and hardware, which is why nearly everything here is listed for both.

What about 1999 and newer trucks?

The 1999-⁠2006 GMT800 trucks are the NBS (New Body Style) and take different parts. They have their own section: 1999-⁠06 NBS truck parts.