Allison 1000 / 2000 Parts

Shop quality new, used and remanufactured Allison 1000 and Allison 2000 automatic transmission parts at Auto Transmission Hub. The Allison 1000 and 2000 series are heavy-duty transmissions found in a wide range of GM trucks, vans, and commercial vehicles from 2001 to present, including the Chevrolet Silverado HD, GMC Sierra HD, Chevrolet Express, GMC Savana, Chevrolet Kodiak, and GMC TopKick.

Compatible vehicles include the 2001–present Duramax diesel-equipped trucks (LB7, LLY, LBZ, LMM, LML, L5P), as well as gas-powered applications. Common part numbers and components include torque converters, valve bodies, solenoid packs, sun shells, input shafts, output shafts, pump assemblies, clutch packs, and transmission cases.

All parts are inspected before shipping. Whether you're rebuilding, repairing, or replacing, we carry the Allison transmission components you need at competitive prices.