Product Description
374980X – HYDROVAC (PISTON STYLE)
PART NUMBER(S):
Fleet Products: 374980, 374980X
OE: 2241895
DESCRIPTION:
Model: 374980X
Vehicles: GMC, Ford, Navistar, IHI, Clark, Caterpillar – Hydrovac Third Series fitment
• Type: Third Series, Single Piston Hydrovac
• Diameter: 9-1/2"
• Overall Length: 17-5/16"
• 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: Vacuum-assisted single piston
• Function: Hydrovac brake booster
• System Fitment: Trucks, trailers, buses, and tractors
Applications:
Designed for trucks, buses, and tractors, this single piston hydrovac booster delivers effective vacuum-assisted braking in high-demand commercial systems. Compatible across multiple heavy-duty OEM platforms including Ford, GMC, Clark, and Caterpillar applications where a 9.5" piston booster is specified.
CROSS-REFERENCE(S):
374980, 374980X, RV374980X, PV-374980, 600-374980, RV374980X-MD, 373853, 375698, 377215, 51-8056, HDX RV374980X, MID RV374980X, 5396-RV374980X, MIDRV374980X, MBIRV374980X, ZZRV374980X, 767653094762, 2241895
A cross-reference listing means this part is functionally interchangeable with the given numbers but may differ in brand, appearance, or cost.
IMPORTANT INSTALLATION NOTES:
✔ Confirm 1/2" - 20 thread input/output ports are compatible with system connections
✔ 3/4" air cleaner and 1/2" NPT vacuum supply ports must match OE setup
✔ No torque or bleeding specifications are published in current documentation
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%!