⚠️ Verify before buying. These are representative OBS part numbers, not a guarantee of fitment for your specific truck. Confirm with your dealer or build sheet.
1RadiatorverifyQty 1
Spectra CU1693
Spectra
3-row upgrade common
Also fits: OEM 52470366
2Thermostat (195°F)verifyQty 1
ACDelco 131-127
ACDelco
Also fits: Stant 13359
3Water PumpverifyQty 1
ACDelco 252-846
ACDelco
5.7L Vortec
Also fits: GMB 130-1340
4Radiator Cap (16 psi)verifyQty 1
Stant 10230
Stant
Also fits: ACDelco RC27
5Upper Radiator HoseverifyQty 1
Gates 22397
Gates
6Lower Radiator HoseverifyQty 1
Gates 22398
Gates
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