Product Description
LUCAS GIRLING R.H. BACKING PLATE ASSEMBLY – 5” SHOES, COMPLETE W/ CYLINDERS
PART NUMBER(S):
Fleet Products: KB203251X (Remanufactured) | OE: 203251X, 202251X
DESCRIPTION:
Model: KB203251X
Vehicles: Ford LN/FT-Series (1980s–1990s), Commercial Trucks, Buses
• Right-hand (RH) rear axle backing plate assembly
• Brake Shoe Compatibility: 5” width
• Bore Size: 1.75" (adjuster and park cylinders)
• Integrated RC-01 Residual Check Valve (3–10 psi retention)
• Two 5" brake shoes with linings included
• Includes adjuster cylinder, park cylinder, springs, retainers, override, mounting hardware
• Epoxy-coated steel housing
• Dual lining inspection holes, adjuster sight holes, and adjustment slots
• Compatible with ATF fluid systems only
Applications:
Fits medium- and heavy-duty commercial trucks and buses using Lucas Girling hydraulic drum brake systems. Specifically engineered for the right-hand side of Ford LN/FT-Series chassis from the 1980s–1990s. This fully loaded assembly is remanufactured to OEM specifications and includes all core hydraulic and mechanical brake components, making it ideal for complete axle service or retrofit.
CROSS-REFERENCE(S):
203251X, KB203251X, 202251X, 202251, 202249X, 202249, 203249X, 203249, 202271X, 202271, RH202271X, MIDRH202271X, MBIRH202271X, BEPCO202271X, BEPCORH202271X, KB202271X, KB202271, CE202271X, CE202271, HDX RH202271X, ZZRH202271X, 5396-RH202271X, F6HT-2B651-BB, 202271R, E-9423, E-9423X, E11829, E11829CVX, E11829X, 203261X, 203261, RH203261X, RH203261, 203262X, 203262, 202261X, 202261, 202262X, 202262, 767653019231, 767653167404, 204SS, 68021284NFP, 68021284CVX, 68021284X
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm RH (passenger side) orientation before installation
✔ Use a new gasket between cylinder and backing plate
✔ Torque bridge pipe to cylinder: 10–15 ft-lbs
✔ Use manufacturer specs for mounting bolts/nuts
✔ Adjust shoe-to-drum clearance via inspection and adjuster slots
✔ Use ATF fluid only – never substitute with standard brake fluid
✔ Reinstall spring brake chamber, shoes, drum, and hub per OEM sequence
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
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- Competitive pricing with core return refunds
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