Product Description
2503151 GM/Chevy Hydrovac
Hyster Forklift
2503151 Hydrovac Brake Booster - Remanufactured 3-Line Unit
The 2503151 Hydrovac Brake Booster is a remanufactured vacuum-assisted hydraulic brake booster designed for select Chevrolet and GMC medium-duty truck, pickup, and van applications. This single diaphragm, 3-line Hydrovac utilizes engine vacuum to increase hydraulic braking force, helping reduce pedal effort while improving overall braking performance.
Originally used on a variety of commercial and heavy-duty vehicles during the 1960s, this frame-mounted unit is engineered to provide dependable brake assist while maintaining the original braking system configuration. Each unit is professionally remanufactured to restore proper operation and reliability for restoration projects, fleet maintenance, and classic truck repairs.
Featuring an 11.03-inch diaphragm diameter, 16.125-inch overall length, and the correct hydraulic and vacuum port configuration, this Hydrovac is designed to serve as a replacement for original equipment units requiring part number 2503151 or approved interchange numbers.
| Product Specifications | |
|---|---|
| Part Number | 2503151 |
| Type | Single Diaphragm Hydrovac |
| Brake Line Configuration | 3-Line Unit |
| Mounting Style | Frame Mount with Bracket |
| Condition | Remanufactured |
| Diaphragm Diameter | 11.03 Inches |
| Overall Length | 16.125 Inches |
| End Cap | G |
| Port Configuration | |
|---|---|
| Hydraulic Inlet | 1/4" Inverted Flare |
| Hydraulic Outlet | 5/16" Inverted Flare |
| Vacuum Supply Port | 1/2" |
| Air Cleaner Port | 1/2" |
| Known Vehicle Applications | ||
|---|---|---|
| Make | Model | Year |
| Chevrolet | C60 | 1965 |
| Chevrolet | K30 Pickup | 1968 |
| Chevrolet | P30 Series | 1967 |
| Chevrolet | P30 Van | 1968 |
| GMC | K35 / K3500 Pickup | 1968 |
| GMC | P35 / P3500 Van | 1967-1968 |
| Interchange / Cross Reference Numbers |
|---|
| 2504303 |
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