Description
2504102X - SINGLE HYDROVAC
PART NUMBER(S):
Fleet Products: 2504102X, 2504102 | OE: 2504102 | Bepco: 2504102X, Ford: 3823529, 3874183, 3874187
DESCRIPTION:
Model: Single Hydrovac Brake Booster, Fourth Series, Single Diaphragm
Vehicles: Heavy-duty truck and trailer applications (no specific models or years cited)
• Diameter: 11-1/32"
• Overall Length: 16"
• Input Port: 1/4" Inverted Flare
• Output Port: 5/16" Inverted Flare
• Air Cleaner Port: 1/2"
• Vacuum Supply Port: 1/2" Inverted Flare
• End Cap: Type I
• Mounting: Frame mount, includes mounting bracket
• Diaphragm Type: Single
• Number of Lines: Three (3) line unit
• Output Port Connects: To master cylinder reservoir
• Unique Features: Remanufactured to OEM standards; core return required
Applications:
Designed for hydraulic brake assist in heavy-duty trucks and trailers requiring vacuum boost. Provides reliable brake pedal force amplification for commercial vehicle brake systems.
CROSS-REFERENCE(S):
2504102X, 2504102
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Mount frame-mounted unit using included bracket
✔ Port connections: Input 1/4" inverted flare, Output 5/16" inverted flare, Vacuum 1/2" inverted flare
✔ Use vacuum gauge to verify minimum 14" Hg at booster during testing
✔ Install vacuum check valve high on firewall or close to manifold for optimal vacuum supply
✔ Pedal test: Depress pedal and start engine; pedal should fall slightly if booster is operating correctly
✔ Minimum vacuum requirement: 14" Hg at booster for proper operation
✔ Hydraulic leak test: Hold pedal with 25–30 lbs pressure; pedal drop indicates leaks
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
