




🚗 Upgrade your brake game with precision and durability!
The Dorman W37785 Rear Drum Brake Wheel Cylinder is a direct replacement part engineered specifically for select Chevrolet and GMC vehicles. Crafted from durable cast iron and fitted with premium EPDM rubber seals, it ensures long-lasting brake performance. Professionally surface-tested for optimal sealing, this cylinder guarantees reliable braking pressure. Confirm fitment easily with the garage tool to maintain your vehicle’s safety and performance.





| Manufacturer | Dorman Products |
| Brand | Dorman |
| Model | W37785 |
| Item Weight | 1.6 ounces |
| Product Dimensions | 4.1 x 3.1 x 2.5 inches |
| Item model number | W37785 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | W37785 |
| OEM Part Number | 116224; 134.66018; 135.66018; 172-1514; 18E1234; 18E296; 2037785; 33961; 784-44018; 84-44018; F116224; W-86018; W906625; WC116224; WC13961; WC370189; WC37785; 18013956; 18018788; 18060167; 19213347 |
| Position | Rear |
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