GM Brake Code JH6 with Hydro-Boost without Active Brake Control (JL4) Reservoir Not Included GM Brake Codes are on the "Service Parts Identification" Sticker
Bore: 37 mm
Rear Drum Roll Pin Reservoir Mounting
w/ 9,900lbs or 12,000lbs GVW and w/ Hydraulic Power Brakes (RPO JH6 and JH7)
Bore: 37 mm
Bore: 1.125 In. w/Roll Pin Reservoir Retainer
w/ 7,200lbs GVW and w/ Vacuum Power Brakes (RPO JC4)
w/RPO Code JH1 (6,400 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc)
Bore: 1.125 In. w/Plastic Strap Reservoir Retainer
w/ 9,900lbs or 12,000lbs GVW and w/ Hydraulic Power Brakes (RPO JH6 and JH7)
w/ 6,400lbs GVW and w/ Hydraulic Power Brakes (RPO JH1)
w/ 6,4000lbs or 7,000lbs GVW and w/ Vacuum Power Brakes (RPO JF3 and JF7) (1st Design)
Rear Drum Tab Lock Reservoir Mounting
w/ 9,900lbs or 12,000lbs GVW and w/ Hydraulic Power Brakes (RPO JH6 and JH7)
w/ 6,4000lbs or 7,000lbs GVW and w/ Vacuum Power Brakes (RPO JF3 and JF7) (2nd Design)
Browse our selection of quality brake master cylinder parts designed specifically for your GMC Sierra 1500 Classic. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Denali · Hybrid · SL · SLE · SLT · WT
Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V6 4.3L · V8 4.8L · V8 5.3L · V8 6.0L
Automatic · Manual
