__39976_zoom__76423.1751051126.gif?c=2 "2504106x tandem hydrovac brake booster for heavy-duty trucks and trailers, dual diaphragm, frame mount, remanufactured oe")
__39976_zoom__76423.1751051126.gif?c=2 "2504106x tandem hydrovac brake booster for heavy-duty trucks and trailers, dual diaphragm, frame mount, remanufactured oe")
__39976_zoom__76423.1751051126.gif?c=2 "2504106x tandem hydrovac brake booster for heavy-duty trucks and trailers, dual diaphragm, frame mount, remanufactured oe")
Product Description
2504106X - TANDEM HYDROVAC (3 LINE)
PART NUMBER(S):
Fleet Products: 2504106X, 2504106 | OE: 2504106 | CARDONE: 51-8007
DESCRIPTION:
Model: Tandem Hydrovac Brake Booster, Fourth Series, Tandem Diaphragm
Vehicles: General heavy-duty trucks and trailers; historically used in some vintage Dodge/Chrysler vehicles (e.g., 1954–1956 Windsor);
• Diaphragm Diameter: 12-3/4"
• Overall Length: 24-1/2" (Power Brake Sales), 19.00" (CARDONE)
• Input Port: 1/4" Inverted Flare
• Output Port: 5/16" Inverted Flare
• Additional Port Thread Size: 1/2"-20 (CARDONE)
• Mounting: Frame mount, bracket included (hardware not included)
• Actuation Type: Vacuum-suspended tandem diaphragm
• Housing Material: Steel
• Weight: 26.57 lb (CARDONE)
• Diaphragm Configuration: Tandem
• System Type: Three (3) line unit
• Output Connects: To master cylinder reservoir
• Unique Features: Remanufactured to OEM standards; core return required
Applications:
Designed for brake systems on heavy-duty trucks and trailers requiring high-output vacuum-assisted hydraulic brake boost. Tandem diaphragm configuration provides enhanced assist force for demanding applications.
CROSS-REFERENCE(S):
2504106X, 2504106, 51-8007, 2512076, 2772819, HDX RV2512076
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:
✓ Frame-mounted unit includes mounting bracket; verify correct orientation during installation
✓ Ports: Input – 1/4" inverted flare, Output – 5/16" inverted flare, Port threads – 1/2"-20
✓ Minimum vacuum requirement: 14" Hg at booster
✓ Pedal test: Pedal should drop slightly when engine starts, indicating proper booster function
✓ Confirm vacuum check valve is installed above manifold or on firewall for best performance
✓ Check system for leaks under pedal pressure (25–30 lbs hold test); falling pedal indicates hydraulic leakage
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%!
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