This is the rear differential lock control valve for 2004-2009 Chevrolet Kodiak and GMC Topkick T6500, T7500, and T8500 trucks. This valve mounts on the frame rail on the rear of these trucks. This valve controls the locking mechanism in the rear differential. Replace your old, faulty, non-working part with this brand new factory original part from GM at a fraction of the dealer price.

New. Never Installed. OEM Part. Bulk Overstock

GM Part # 15296483 (number on the item)

Alternate GM Part # 15186703

Item is number 1 in the GM diagram

(AIR BRAKES JE4, REAR AXLES HNB,HPL,HPN) BRK: AIR BRAKE SYSTEM AIR BRKS(JE4) RAX: AXLE REAR 23000 LB, EATON 23105D, SINGLE SPEED 23,000LB EATON SINGLE SPD RR AXLE(HNB); AXLE REAR EATON 19060D, SINGLE SPEED, 19000 LB CAP 19060D EATON R/AXLE(HPL); AXLE REAR EATON 21060D, SINGLE SPEED, 21000 LB CAP 21060D,EATON R/AXLE(HPN); PROVISIONS RR AXLE DIFF LK RR AXLE DIFF LK PROV(HZZ) VALVE,DIFF LK CONT. Required: 01 For: T6,7,8(42) 23,000LB EATON SINGLE SPD RR AXLE(HNB),19060D EATON R/AXLE(HPL),21060D,EATON R/AXLE(HPN),AIR BRKS(JE4) (2004-2009) (2004 - 2009).