Description
HYDROVAC BRAKE BOOSTER – IHC TANDEM APPLICATION (2509870X)
PART NUMBER(S):
Fleet Products: 2509870X (Remanufactured) | Replaces OE: Ford D5HZ2005BA | GMC 15536527 | Navistar (IHC) 1650529C91 | Other 2509870, 2513493, 4150985, 2514919
DESCRIPTION:
Type: Hydrovac brake booster with integrated master cylinder
Application: IHC (International Harvester Company) tandem axle trucks
• Diaphragm Diameter: 12-3/4"
• Overall Length: 24-1/2"/19.00"
• Input Port: 1/4" Inverted Flare
• Output Port: 5/16" Inverted Flare
• Additional Port Thread Size: 1/2"-20
• Mounting: Frame mount, bracket included
• Actuation Type: Vacuum-suspended tandem diaphragm
• Housing Material: Steel
• Diaphragm Configuration: Tandem
Fluid Compatibility: DOT 3 brake fluid only (do not use DOT 5 silicone fluid – causes rubber swelling)
Application: Designed specifically for IHC tandem platforms; remanufactured replacement for OEM part.
CROSS-REFERENCE(S):
2509870, 2514919, 4150985, 2504106, 2504616, 2509870, 2512644, 2513493, 2504109, 2508643, 2510400, 2513491, 2513812, 2510401, 2512142, 2513811, 2513816
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:
✔ DOT 3 brake fluid required; never use DOT 5 (silicone-based) fluid
✔ Replace or flush master cylinder during installation to avoid contamination
✔ Use a pressure bleeder for air removal; do not run engine during bleeding
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
