Product Description
S-E144 – MASTER CYLINDER (5 TON, WAGNER STYLE)
PART NUMBER(S):
Fleet Products: S-E144 (New) | OE: Wagner FE1575, Navistar 627959C91, Meritor R4111123, FE1575
DESCRIPTION:
Model: Wagner-Style 5 Ton Hydraulic Brake Master Cylinder (S&S/Newstar)
Vehicles: Military and vocational Class 8 applications including M54, M809, M813, M923, M925, M929, M930, M931, and M939 6×6 trucks
• Bore Diameter: 1.75″ (1-3/4″)
• Material: Cast Iron / Steel body
• Overall Length: 9.53″
• Overall Width: 3.50″
• Overall Height: 6.00″
• Mounting: Flange, piston rod end, 4-hole rectangular pattern (threaded)
• Mounting Thread: 3/8″-24 UNF, 0.437″ depth
• Ports: 3 × 1/2″-20 UNF inverted flare (cylinder head end)
• Reservoir: Integral with filler plug
• Actuation Method: Direct, hydraulic
• Features: Includes residual valve; designed for disc & drum or drum-only systems
Applications:
Is this master cylinder right for your 5-ton? Yes—engineered for U.S. military-spec trucks and vocational heavy-duty platforms including M54, M809, M813, and M939 6×6 series. Designed as a direct Wagner FE1575-style replacement, it restores proper hydraulic braking function for vehicles equipped with 65-840L/65-840R power clusters.
CROSS-REFERENCE(S):
S-E144, 670-SE144, 7411070, SE144, FE1575, FE1575-951, FF1645, FF1575, AR12E1, 91108-C, B258, 31108-C, 30067-C, 618182, 7413489, 2530-00-294-7068, 00-294-7068, 2530002947068, 002947068, 2530010529672, 627959C91, 149-0299-858, Wagner F112398, Wagner F2951, Industry 112398, Ordinance 7411070, Allied Signal 11123, Bendix 11123, Bendix E13588010, FORD C8HZ2140A, GM 57156R91, Haldex 2951, Navistar 425072C91, Raybestos MC2951, Meritor R4111123, Casting FE1575, Casting FF1575, Casting FF1645, Casting 30067-C, Casting 618182, HOR FE1575
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Verify bore size (1.75″) and 3× 1/2″-20 outlet configuration match your application
✔ Always replace hub bearings and bushings if worn during service
✔ Use high-temperature synthetic grease on assembly
✔ Torque mounting bolts and port fittings to OE specifications
✔ Designed to be used with 65-840L (LH) and 65-840R (RH) Brake Actuator Power Clusters in 5-ton air/hydraulic systems
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%!
