Reference OE/OEM NumberEXPRESS 2500 3500 IMPALA 4.8-6.2LPG 01.97-, 12620947 GENERAL MOTORS 12555289 HUMMER 12558573 HUMMER, 4.8-6.2LPG 01.97-, 12600530 12617944 12620947 MS16124, 12620947 12555289 12558573 12600530 12617944 12620947, TTE, EXPRESS, EXPRESS 1500, EXPRESS 2500 4.8-6.2ALK 01.97-, 12600530 12617944 12620947 12555289 12558573 12600530, FRONT MIDDLE UPPER DOWN UP REAR NEARSIDE EXHAUST RUBBER CAR, 12555289 GENERAL MOTORS 12558573 GENERAL MOTORS, 12600530 HUMMER 12617944 HUMMER 12620947 HUMMER, 13299400 853.220 MS92467 12555289 12558573 12600530 12617944, 12558573 12600530 12617944 12620947 12555289 12558573, T, ESCALADE; CHEVROLET AVALANCHE, AVALANCHE 1500, CAMARO, CORVE, 12558573 GMC 12600530 GMC 12617944 GMC 12620947 GMC, SEALING MANIFOLD FITS: CADILLAC CTS SPORT ESCALADE CHEVROLET, 853.220 ARTNR_Z_TCD MS92467 FEDERAL MOGUL 12555289 GMC, 12620947 MS16124 ENGINE EX EXHAUST OUTLET AIR GASKET SEAL, 12617944 PONTIAC 12620947 PONTIAC, 12600530 GENERAL MOTORS 12617944 GENERAL MOTORS, 12620947 CADILLAC 12555289 CHEVROLET 12558573 CHEVROLET, 12555289 PONTIAC 12558573 PONTIAC 12600530 PONTIAC, QUALITY REPLACE REPLACEMENT MANIFOLD GASKET FITS: CADILLAC, 12555289,12558573,12600530,12617944,12620947, 12558573 CADILLAC 12600530 CADILLAC 12617944 CADILLAC, 12600530 CHEVROLET 12617944 CHEVROLET 12620947 CHEVROLET, 12617944 BUICK 12620947 BUICK 12555289 CADILLAC, MS16124 MAHLE 12555289 BUICK 12558573 BUICK 12600530 BUICK, 12617944 12620947 12555289 12558573 12600530 12617944, CTS SPORT ESCALADE CHEVROLET AVALANCHE 1500 CAMARO CORVETTE, 12620947 MS16124 SILENCER MOUNTINGS MOUNT BUSHES BUSHS END, 13299400 13331500 853.220 MS92467 12555289 12558573, 12555289 12558573 12600530 12617944 12620947 12555289, Exhaust manifold gasket fits: BUICK LAE; CADILLAC CTS, CTS SPOR, AVALANCHE 1500 CAMARO CORVETTE EXPRESS 2500 3500 IMPALA