Product Description
HYDROVAC BRAKE BOOSTER – BENDIX 2512065X (GM / MEDIUM DUTY TRUCKS)
PART NUMBER(S):
Fleet Products: 2512065, 2512065X | OE: 15618301, 2503139, 2508827 | Automann: MIDRV2512065X
DESCRIPTION:
Type: Single Diaphragm – Fourth Series
Model: GM Medium Duty Trucks
Vehicles: Chevy C50/C60/C5000, GMC Medium Duty (1965–1985)
• Diameter: 12-3/4"
• Overall Length: 18-5/8"
• Input Port: 5/16" Inverted Flare
• Output Port: 5/16" Inverted Flare
• Vacuum Supply: 1/2" Inverted Flare
• Air Cleaner Port: 1/2"
• End Cap: H
• Mounting Bracket: MB-1 (2-stud, frame-mount)
Applications:
Engineered for GM medium-duty trucks including Chevrolet C50/C60 and GMC platforms from 1965–1985, this Hydrovac brake booster delivers reliable vacuum-assisted braking for demanding frame-mount installations. Rebuilt to OEM specifications and performance-tested, it ensures seamless integration with GM chassis using a two-stud MB-1 bracket. Ideal for fleet maintenance and retrofits.
CROSS-REFERENCE(S):
2512065, 2512065X, 15618301, 2503139, 2504304, 2508827, 2512064, 2513814, RV2512065X, ZZRV2512065X, 5396-RV2512065X, 767653032146, HDX RV2512065X, MBIRV2512065X, MIDRV2512065X, 51-8000
A cross-reference listing means that this part should be a suitable replacement for the part numbers listed. Please check the description to be sure it fits your application.
IMPORTANT INSTALLATION NOTES:
✔ Match MB-1 bracket to vehicle frame before installation
✔ Inspect and thread-check all ports (input, output, vacuum)
✔ Use only DOT 3 fluid (DO NOT use DOT 5 silicone-based fluid)
✔ Bleed hydraulic system post-installation per OEM brake specs
✔ Confirm diaphragm type matches existing OE configuration
✔ Mount on frame using 2-stud bracket orientation (horizontal preferred)
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
- Canadian-owned and operated since 1985
- Trusted by fleets, mechanics, and B2B partners across North America
- Fast, reliable shipping across North America
- Competitive pricing with core return refunds
- Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
