Description
HYDROVAC BRAKE BOOSTER (PISTON STYLE) (374750, 374750X)
PART NUMBER(S):
Fleet Products: 374750 (New), 374750X (Remanufactured) | Replaces OE: Diamond T N-27269 | Ford D2HZ2005C, D7TA2005AB, 2512570X, 3874186, 2514918X | GMC 2238520 | Navistar (IHC) 67135R94 | Other 375866, 375932, 377042, 378464 | CARDONE 51-8091
DESCRIPTION:
Model: Piston-Style Hydrovac (Single Piston)
Vehicles: IHC and GMC Trucks, Trailers, Buses, Tractors (1957-1986)
Type: Piston-style Hydrovac (vacuum-assisted hydraulic braking)
• Diameter: 9-1/2"
• Overall Length: 20"
• Input Port: 1/2" - 20 Thread
• Output Port: 1/2" - 20 Thread
• Air Cleaner Port: 3/4"
• Vacuum Supply Port: 1/2" NPT
• End Cap: B
• Actuation Type: Single piston, vacuum-assisted
Applications:
This 9-1/2" piston-style hydrovac brake booster is engineered for reliable vacuum-assisted braking in commercial vehicles, including trucks, trailers, tractors, and buses. Optimized for easy installation and consistent hydraulic output, it features OEM-matched ports and end cap design.
CROSS-REFERENCE(S):
374750, 374750X, 600-374750, RV374750X, RV374750X-MD, 6718, 375392, 377042, 378464, 2239520, 2238520, N27269, 67135R93, 67135R94, 5396-RV374750X, MIDRV374750X, MBIRV374750X, ZZRV374750X, 767653124605, PB-374750-R, PRRH374750X, H374750X, EBN374750X, 375866, 375932
IMPORTANT INSTALLATION NOTES:
✔ Match input/output threads (1/2"-20) to existing hydraulic lines
✔ Confirm 1/2" NPT vacuum connection and 3/4" air cleaner fitment
✔ Mounting details verify against original unit before installation
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
• Canadian-owned since 1985
• Trusted by fleets, mechanics, and B2B partners across North America
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• Competitive pricing with Core Return Refunds
• Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
Warranty Information
