Description
HYDROVAC BRAKE BOOSTER – BENDIX 2510401X (GM TANDEM, 4TH SERIES)
PART NUMBER(S):
Fleet Products: 2510401, 2510401X,
OE: 2510401, 2513812,
DESCRIPTION:
Type: Tandem Diaphragm Hydrovac (Fourth Series)
System: Air-over-hydraulic brake booster with integrated master cylinder output
Function: Converts engine vacuum into hydraulic pressure for braking systems
Mounting: Frame mount
Diameter: 12-3/4"
Overall Length: 24-3/4"
Input Port: 5/16" Inverted Flare
Output Port: 5/16" Inverted Flare
Vacuum Supply Port: 1/2" Inverted Flare
Air Cleaner Port: 3/4"
End Cap: H
Build Quality: Thoroughly cleaned, inspected, and performance tested
System Fitment: Heavy-duty trucks equipped with tandem brake boosters, including GM C-Series platforms
Application Use: Direct OE replacement for vehicles with dual diaphragm Hydrovac systems
CROSS-REFERENCE(S):
2510401, 2510401X, 2513812, RV2513812X, ZZRV2513812X, RV2510401
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:
✔ Output port must connect directly to master cylinder reservoir
✔ Input, output, vacuum, and air cleaner ports must match original OEM spec
✔ If replacing original unit, inspect vacuum check valve and all lines for wear or obstruction
✔ General overhaul/installation guidance available (not model-specific)
✔ Torque specifications are not explicitly published for this model
VEHICLE/TRAILER APPLICATIONS:
Chevrolet: C60, C70, C6000, C7000
GMC / Ford / Navistar / IHI: Listed in remanufactured unit cross-reference
NSN (NATO Stock Number): 2530-01-121-1934
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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Warranty Information
