2504113X | Hydrovac (3 Line) 3822530, 3874188

2504113X HYDROVAC BRAKE BOOSTER – 3 LINE, 12-3/4" DIAMETER

PART NUMBER(S):
Fleet Products: 2504113X, 2504113 | OE: 2501850, 2502076, 2504114 | Ford: 3822530, 3874188

DESCRIPTION:

Model: Hydrovac Brake Booster – Bendix Fourth Series, Single Diaphragm
Vehicles: Chevrolet C65, General Heavy-Duty Trucks & Trailers
• Booster Diameter: 12-3/4"
• Overall Length: 17-1/2"
• Input Port: 1/4" Inverted Flare
• Output Port: 5/16" Inverted Flare
• Vacuum Port: 1/2" Inverted Flare
• Air Cleaner Port: 1/2"
• End Cap Style: H
• Mounting Type: Frame Mount with Bracket
• Configuration: Three (3) Line Unit
• Diaphragm Type: Single Diaphragm
• Function: Converts engine vacuum into hydraulic brake assist
• System Type: Remote vacuum-suspended assist unit
• Output Connection: Connects to Master Cylinder Reservoir

Applications:
Designed for use in heavy-duty brake systems requiring a remote-mounted, vacuum-suspended hydrovac. Compatible with Chevrolet C65 and various general truck/trailer platforms where 12-3/4" single-diaphragm boosters are specified. Ideal for hydraulic braking systems needing enhanced pedal force with vacuum assist.

CROSS-REFERENCE(S):

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:
✔ Ensure vacuum source produces minimum 14" Hg at the booster
✔ Mount securely to frame using supplied bracket
✔ Install vacuum check valve near manifold or firewall
✔ Input/output lines must be clean and leak-free
✔ Bleed system thoroughly and inspect hydraulic connections
✔ Pedal should drop slightly when engine starts – test for assist
✔ Core return required if remanufactured unit supplied

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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