Product Description
Bendix 2508827 Hydrovac – Brake Booster
Restore confident braking on your medium-duty Chevy/GMC with the Bendix 2508827 Hydrovac. This frame-mounted booster delivers strong, consistent assist for hydraulic brake systems and installs as a direct replacement for the original unit—ideal for work trucks, restorations, and fleet maintenance.
Vehicle Applications
- Chevrolet C60 & C70 medium-duty trucks (hydraulic brake systems)
- GMC 60/70-series medium-duty trucks with Hydrovac-style boosters
- Other GM medium-duty platforms originally specified with a Bendix Hydrovac
Note: Always match to your original Hydrovac tag/part number or chassis specs before ordering.
Product Highlights
- Direct-fit replacement for Bendix Hydrovac applications
- Strong brake assist for loaded and towing scenarios
- Durable construction for daily service and fleet duty
- Designed to integrate with existing hydraulic and vacuum connections
Cross-Reference / Interchange
Common numbers seen in catalogs and on unit ID tags:
| Brand | Part Number | Notes |
|---|---|---|
| Bendix | 2508827 | Primary reference |
| Bendix | 2512065 | Common interchange |
| Bendix | 2503139 | Common interchange |
| Aftermarket/Catalog | 51-8000 / 51-8001 / 51-8008 | Catalog cross-refs (verify) |
| Aftermarket/Catalog | 51-8027 / 51-8050 / 51-8051 / 51-8052 | Catalog cross-refs (verify) |
| Aftermarket/Catalog | 51-9501 | Catalog cross-ref (verify) |
Cross-reference numbers are provided for convenience. Compare your original part number, mounting, and port layout.
What This Fits & Solves
- Weak brake assist or a hard pedal on medium-duty Chevy/GMC trucks
- Replacement for worn or leaking Hydrovac units
- Direct-fit solution without custom fabrication in OE-equipped chassis
Installation Tips
- Confirm the part number stamped on your original Hydrovac (ID tag) before installation.
- Inspect and replace cracked vacuum hoses and aged brake lines as needed.
- Bleed the hydraulic system thoroughly after installation to ensure full assist.
Availability: In Stock. We build these brand new boosters and ship within 4-5 business days.
No core required! - Save money by not needing to ship back your old hydrovac for core credit. - Fast shipping and responsive support from a parts team that knows medium-duty brakes
- Hassle-free help with cross-reference and application confirmation
Need help verifying fitment? Call or email—our experts are happy to identify the correct booster for your vehicle.
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