Genuine Allison Transmission Oil Pump Assembly for 

Allison 1000, 2000, Series Transmissions - CHEVY / GM / DURAMAX

#29545809

ALLISON Models: 1000 Series, 2000 Series, 2400 Series.

Will work in GMC & Chevrolet models: Sierra & Silverado 2500, 2500HD, 3500, 3500HD. Engine: 6.6L Duramax Diesel

Model Years: 1999 - 2015