Name: Radiator Cap — 1988–1998 Chevy/GMC OBS Truck
Brand: ACDelco

Radiator Cap

🛠 Fits: 1988-1998 C/K 1500 & 2500

Pressure cap for the radiator filler neck (15-16 psi)

RC27ACDelco (OEM)

10230Stant

📝 Cheap insurance — a tired cap causes overflow puking and low coolant mysteries.

⚠️ 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.

Radiator Cap verify

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