Dorman M66787 Master Cylinder
Regular price
$49.52
Couldn't load pickup availability
Product Description
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
- Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications - made to meet rigorous SAE International standards
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 1971 | Chevrolet | G30 Van | Manual Brakes | Bore: 1.125 In. | |
| 1971 | GMC | G35/G3500 Van | Manual Brakes | Bore: 1.125 In. | |
| 1970 | Chevrolet | C20 Pickup | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1970 | Chevrolet | C20 Pickup | Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | Chevrolet | C20 Suburban | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1970 | Chevrolet | C20 Suburban | Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | Chevrolet | C30 Pickup | Exc. 11,000 Lb. Axle; Bore: 1.125 In. | ||
| 1970 | Chevrolet | G20 Van | w/Bendix Brakes; Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | Chevrolet | G20 Van | w/Moraine Brakes; Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1970 | Chevrolet | K20 Pickup | Bore: 1.125 In. | ||
| 1970 | Chevrolet | K20 Suburban | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1970 | Chevrolet | K20 Suburban | Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | Chevrolet | P20 Van | Bore: 1.125 In. | ||
| 1970 | Chevrolet | P30 Van | Exc. 11,000 Lb. Axle; w/Bendix Brakes; Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | Chevrolet | P30 Van | Exc. 11,000 Lb. Axle; w/Moraine Brakes; Bore: 1.125 In. | ||
| 1970 | GMC | C25/C2500 Pickup | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1970 | GMC | C25/C2500 Pickup | Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | GMC | C25/C2500 Suburban | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1970 | GMC | C25/C2500 Suburban | Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | GMC | C35/C3500 Pickup | Exc. 11,000 Lb. Axle; Bore: 1.125 In. | ||
| 1970 | GMC | G25/G2500 Van | w/Bendix Brakes; Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | GMC | G25/G2500 Van | w/Moraine Brakes; Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1970 | GMC | K25/K2500 Pickup | Bore: 1.125 In. | ||
| 1970 | GMC | K25/K2500 Suburban | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1970 | GMC | K25/K2500 Suburban | Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | GMC | P25/P2500 Van | Bore: 1.125 In. | ||
| 1970 | GMC | P35/P3500 Van | Exc. 11,000 Lb. Axle; w/Bendix Brakes; Bore: 1.125 In.; w/Power Brakes | ||
| 1970 | GMC | P35/P3500 Van | Exc. 11,000 Lb. Axle; w/Moraine Brakes; Bore: 1.125 In. | ||
| 1969 | Chevrolet | C20 Pickup | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1969 | Chevrolet | C20 Pickup | Bore: 1.125 In.; w/Power Brakes | ||
| 1969 | Chevrolet | C20 Suburban | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1969 | Chevrolet | C20 Suburban | Bore: 1.125 In.; w/Power Brakes | ||
| 1969 | Chevrolet | C30 Pickup | Exc. 11,000 Lb. Axle; Bore: 1.125 In. | ||
| 1969 | Chevrolet | G20 Van | w/Bendix Brakes; Bore: 1.125 In.; w/Power Brakes | ||
| 1969 | Chevrolet | G20 Van | w/Moraine Brakes; Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1969 | Chevrolet | K20 Pickup | Bore: 1.125 In. | ||
| 1969 | Chevrolet | K20 Suburban | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1969 | Chevrolet | K20 Suburban | Bore: 1.125 In.; w/Power Brakes | ||
| 1969 | Chevrolet | P20 Van | Bore: 1.125 In. | ||
| 1969 | Chevrolet | P30 Van | Exc. 11,000 Lb. Axle; w/Bendix Brakes; Bore: 1.125 In.; w/Power Brakes | ||
| 1969 | Chevrolet | P30 Van | Exc. 11,000 Lb. Axle; w/Moraine Brakes; Bore: 1.125 In. | ||
| 1969 | GMC | C25/C2500 Pickup | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1969 | GMC | C25/C2500 Pickup | Bore: 1.125 In.; w/Power Brakes | ||
| 1969 | GMC | C25/C2500 Suburban | Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1969 | GMC | C25/C2500 Suburban | Bore: 1.125 In.; w/Power Brakes | ||
| 1969 | GMC | C35/C3500 Pickup | Exc. 11,000 Lb. Axle; Bore: 1.125 In. | ||
| 1969 | GMC | G25/G2500 Van | w/Bendix Brakes; Bore: 1.125 In.; w/Power Brakes | ||
| 1969 | GMC | G25/G2500 Van | w/Moraine Brakes; Bore: 1.125 In.; w/Manual Brakes; Stamped NF | ||
| 1969 | GMC | K25/K2500 Pickup | Bore: 1.125 In. | ||
| 1969 | GMC | K25/K2500 Suburban | Bore: 1.125 In.; w/Manual Brakes; Stamped NF |
Product Specifications
| Master Cylinder Bore Diameter: | 1.125 in |
|---|---|
| Master Cylinder Material: | Cast Iron |
| Mounting Hardware Included: | No |
| Number of Outlets: | 2 |
| Package Contents: | Master Cylinder |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Reservoir Included: | Yes |
| Secondary Outlet Thread Diameter: | 1/2-20 |
| Sensor Included: | No |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 18008616 | GENERAL MOTORS |
| 3912128 | GENERAL MOTORS |
| 3941939 | GENERAL MOTORS |
| 5458531 | GENERAL MOTORS |
| 5458905 | GENERAL MOTORS |