For 1955 GMC PM250 Radiator Cap 74733WNYQ Standard -- Relief pressure 4 lb

For 1987 GMC V2500 Expansion Tank Cap 13592SBTB Standard -- Relief pressure N/A

For 1987 GMC V1500 Expansion Tank Cap 19431VBRD Standard -- Relief pressure N/A

For 1987 GMC R1500 Radiator Cap 54577YNRJ Standard -- Relief pressure 16 lb

For 1987 GMC R1500 Radiator Cap 35768RTGM Standard -- Relief pressure 16 lb

For 1987 GMC R1500 Radiator Cap 79788QNBW Safety Lever -- Relief pressure 16 lb

For 1987 GMC R1500 Radiator Cap 15919DZDR Safety Lever -- Relief pressure 16 lb

31528 Gates Radiator Cap New for Chevy Suburban 300 Town and Country Ram Truck