GM NP261XHD/NP263XHD Transfer Case Rebuild Kit

Upgrade your Chevy or GMC 6.6L Duramax diesel or 8.1L gas truck with this GM NP261XHD/NP263XHD transfer case complete rebuild package, engineered for 2001-2007 Silverado 2500HD, 3500, and Sierra models equipped with an Allison transmission. This premium kit includes a heavy-duty aluminum rear case half with pre-installed rear bushing and front output shaft bearing (Part #25900, 12478092, AM319760B-HD) for enhanced durability and performance.

Also included is a BorgWarner Morse TEC Hy-Vo chain (HV074, BM319700B) for smooth power transfer and a 49-spline pump assembly (25904, 12478084, AM319500B) to ensure optimal fluid circulation. Compatible with GM RPO codes NP1 and NP2 (with ML6, MW7, or M74), this rebuild package is a cost-effective solution to restore your transfer case to like-new condition, extending the life of your drivetrain.