Name: Headlight Bulb (Composite) — 1988–1998 Chevy/GMC OBS Truck
Brand: Sylvania

Headlight Bulb (Composite)

🛠 Fits: 1988-1998 C/K 1500 & 2500 (composite headlamps)

9004 (HB1) halogen headlight bulb for composite housings

9004Sylvania (OEM)

9004ST (SilverStar)Sylvania

9004PRB1Philips

📝 Composite housings take 9004. Some early/base trims came with sealed beams instead — check what's in the truck. Qty 2.

⚠️ Verify before buying. Fitment varies by year, engine (4.3/5.0/5.7/7.4/6.5) and 2WD/4WD. Confirm against your VIN/build before ordering.

Headlight Bulb (Composite) verify

Join the Garage