Replacement A/C Compressor Kit. Manufactured from top quality components, this is your best option and inexpensive replacement for your rebuild, repair, and maintenance needs – an OE replacement product for your damaged or aged factory part. Replacement – the most affordable brand name for replacement parts that you need! Replacement is a professional brand for autobody, lighting parts, electrical, brake, suspension, intake and exhaust, and cooling and heating products. Brand New in the Box – Fit and Quality Guaranteed! Number of grooves on pulley. A/C Compressor – 4.25 in. Diameter clutch; A/C Condenser – 29.94 x 17 x 0.69 in. Core Size, Aluminum Core. 6511396, 74953, 1563666, 20913751, GM3030162. (1) A/C Compressor, (1) A/C Condenser, and (1) A/C Service Kit (A/C Accumulator, A/C Orifice Tube, and A/C O-Ring and Gasket Seal Kit). Compatible with the following vehicles. 2002 Escalade Base 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses. 2002 Escalade Base OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses. 2002 Escalade EXT Base OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses. 2002 Avalanche 1500 (submodel: Base, On Road Edition, Z71) OHV, Without Rear A/C, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Avalanche 2500 Base OHV, Without Rear A/C, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Silverado 1500 WT OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 99 Silverado 1500 (submodel: Base, LS, LT) OHV, With 10S20F Oring Kit. 2001 Silverado 1500 HD (submodel: LS, LT) OHV, With 10S20F Oring Kit. 2002 Silverado 1500 HD (submodel: LS, LT) OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Silverado 2500 Base OHV, CNG. 2002 Silverado 2500 Base OHV, GAS. 2002 Silverado 2500 LS OHV, CNG. 2002 Silverado 2500 LS OHV, GAS. 2002 Silverado 2500 LT OHV, CNG. 2002 Silverado 2500 LT OHV, GAS. 2000 Silverado 2500 (submodel: Base, LS, LT) OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 99 Silverado 2500 (submodel: Base, LS) With 10S20F Oring Kit. 99,2001 Silverado 2500 (submodel: Base, LS, LT) OHV, With 10S20F Oring Kit. 2002 Silverado 2500 HD Base OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Silverado 2500 HD Base OHV, CNG. 2002 Silverado 2500 HD Base OHV, GAS. 2001 Silverado 2500 HD Base OHV, With 10S20F Oring Kit, without Dual Climate Control. 2002 Silverado 2500 HD LS OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Silverado 2500 HD LS OHV, CNG. 2002 Silverado 2500 HD LS OHV, GAS. 2001 Silverado 2500 HD LS OHV, With 10S20F Oring Kit, without Dual Climate Control. 2002 Silverado 2500 HD LT OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Silverado 2500 HD LT OHV, CNG. 2002 Silverado 2500 HD LT OHV, GAS. 2001 Silverado 2500 HD LT OHV, With 10S20F Oring Kit, without Dual Climate Control. 2001 Silverado 2500 HD LT With 10S20F Oring Kit, without Dual Climate Control. 2002 Silverado 3500 Base OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses, For Models Without Ambulance Package. 2001 Silverado 3500 Base OHV, With 10S20F Oring Kit, For Models Without Ambulance Package. 2002 Silverado 3500 LS OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses, For Models Without Ambulance Package. 2001 Silverado 3500 LS OHV, With 10S20F Oring Kit, For Models Without Ambulance Package. 2002 Silverado 3500 LT 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses, For Models Without Ambulance Package. 2002 Silverado 3500 LT OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses, For Models Without Ambulance Package. 2001 Silverado 3500 LT OHV, With 10S20F Oring Kit, For Models Without Ambulance Package. 2001 Silverado 3500 LT With 10S20F Oring Kit, For Models Without Ambulance Package. 2002 Suburban 1500 (submodel: LS, LT) OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses. 2002 Suburban 2500 (submodel: LS, LT) OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses. 2001 Tahoe Base OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses. 2001 Sierra 1500 C3 OHV, With 10S20F Oring Kit, without Dual Climate Control. 2002 Sierra 1500 (submodel: Base, Denali, HT, WT) OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 99 Sierra 1500 (submodel: SL, SLE, SLT) OHV, With 10S20F Oring Kit. 2001 Sierra 1500 HD (submodel: SLE, SLT) OHV, With 10S20F Oring Kit. 2002 Sierra 1500 HD (submodel: SLE, SLT) OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Sierra 2500 Base OHV, CNG. 2002 Sierra 2500 Base OHV, GAS. 2002 Sierra 2500 SL OHV, CNG. 2002 Sierra 2500 SL OHV, GAS. 2002 Sierra 2500 SLE OHV, CNG. 2002 Sierra 2500 SLE OHV, GAS. 2002 Sierra 2500 SLT OHV, CNG. 2002 Sierra 2500 SLT OHV, GAS. 2000 Sierra 2500 (submodel: SL, SLE, SLT) OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 99 Sierra 2500 (submodel: SL, SLE) With 10S20F Oring Kit. 99,2001 Sierra 2500 (submodel: SL, SLE, SLT) OHV, With 10S20F Oring Kit. 2002 Sierra 2500 HD Base OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Sierra 2500 HD Base OHV, CNG. 2002 Sierra 2500 HD Base OHV, GAS. 2002 Sierra 2500 HD SL OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Sierra 2500 HD SL OHV, CNG. 2002 Sierra 2500 HD SL OHV, GAS. 2002 Sierra 2500 HD SLE OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Sierra 2500 HD SLE OHV, CNG. 2002 Sierra 2500 HD SLE OHV, GAS. 2002 Sierra 2500 HD SLT OHV, 2 Separate Hoses Mount To Compressor, Requires 2 Bolt To Mount Hoses. 2002 Sierra 2500 HD SLT OHV, CNG. 2002 Sierra 2500 HD SLT OHV, GAS. 2001 Sierra 2500 HD (submodel: SL, SLE, SLT) OHV, With 10S20F Oring Kit. 2001 Sierra 3500 (submodel: SL, SLE, SLT) OHV, With 10S20F Oring Kit, For Models Without Ambulance Package. 2002 Sierra 3500 (submodel: Base, SL, SLE, SLT) OHV, 2 Separate Hoses Mount To Compressor, Requires Bolt Hoses, For Models Without Ambulance Package.