The brake master cylinder of OEM MC39646 is aluminum made brake cylinder, which fits for Chevrolet, Dodge and GMC heavy duty vehicles. And the reservoir material is plastic. As for the rubber, its material can be changed as per your brake fuild requirement. The bore diameter is 1-1/8″ or 1-7/8″. There are two outlet ports. The primary & secondary thread size are both 1/2″. The Interchange Part Number as follow: 10-2352, 174-668, 18M1746, 18M361, 783-44021, 83-44021, M900567, M-86021, 12219, 130.66021, 131.66021, MC116881, NM2219, 2539646, MC39646, F116881
Chevy
Blazer 1992-1994
CK Pickup 1988-1994
Suburban 1988-1994
Dodge
Ram 1994
GMC
CK Pickup 1988-1994
Suburban 1988-1994
Yukon 1992-1994
Year | Make | Model | Configuration | Application Notes |
1992-1994 | Chevrolet | Blazer | Bore: 1.125 In. and 1.5781 In. | |
1988-1994 | Chevrolet | C1500 | Power Brakes; GAS | w/Heavy Duty Suspension; Bore: 1.125 In. and 1.5781 In. |
1992-1994 | Chevrolet | C1500 Suburban | Bore: 1.125 In. | |
1988-1994 | Chevrolet | C2500 | DIESEL | Bore: 1.125 In. |
1988-1994 | Chevrolet | K1500 | GAS | w/Heavy Duty Suspension; Bore: 1.125 In. |
1992-1994 | Chevrolet | K1500 Suburban | Bore: 1.125 In. | |
1988-1994 | Chevrolet | K2500 | GAS | 7,200 Lb. GVW; Bore: 1.125 In. and 1.5781 In. |
1992-1994 | Chevrolet | K2500 Suburban | 7,200 Lb. GVW; Bore: 1.125 In. and 1.5781 In. | |
1994 | Dodge | Ram 1500 | Bore: 1.125 In. and 1.5781 In. | |
1988-1994 | GMC | C1500 | Power Brakes; GAS | w/Heavy Duty Suspension; Bore: 1.125 In. and 1.5781 In. |
1992-1993 | GMC | C1500 Suburban | 11 In. Brakes; w/Vacuum Booster; Stamped-18013977 | |
1988-1994 | GMC | C2500 | DIESEL;GAS;Power Brakes | Bore: 1.125 In. |
1992-1994 | GMC | C2500 Suburban | 7,200 Lb. GVW; Bore: 1.125 In. and 1.5781 In. | |
1988-1994 | GMC | K1500 | GAS | w/Heavy Duty Suspension; Bore: 1.125 In. and 1.5781 In. |
1992-1993 | GMC | K1500 Suburban | 11 In. Brakes; w/Vacuum Booster; Stamped-18013977 | |
1988-1994 | GMC | K2500 | GAS | Bore: 1.125 In. and 1.5781 In. |
1992-1994 | GMC | K2500 Suburban | 7,200 Lb. GVW; Bore: 1.125 In. and 1.5781 In. | |
1992-1994 | GMC | Yukon | Bore: 1.125 In. and 1.5781 In. |