Product Description
The Lucas 201184R Right-Hand Adjusting Brake Cylinder is a hydraulic wheel-end brake component designed for Lucas/Girling rear drum brake systems used on heavy-duty trucks, buses, and commercial vehicles.
This right-hand cylinder features a 1.750-inch bore and a 7/16-24 hydraulic inlet port. It works with the brake shoe and adjusting mechanism to provide controlled hydraulic actuation and maintain proper brake operation at the right-side rear wheel.
The 201184R is commonly associated with Lucas/Girling systems using 15-inch drum brakes with 6- or 7-inch brake shoes. The corresponding left-hand cylinder is 201183R. Because Lucas/Girling produced similar cylinders in both 1.625-inch and 1.750-inch bore sizes, the bore size, casting number, side orientation, and hydraulic connection should be verified before ordering. Lucas service information also recommends replacing matching left- and right-hand cylinders as a pair to maintain consistent braking performance.
Part Number: 201184R
Brand / System: Lucas / Girling
Product Type: Hydraulic Adjusting / Wheel Cylinder
Position: Right-Hand / RH
Bore Size: 1.750 in.
Hydraulic Inlet: 7/16-24
OE Casting Reference: 68660521
Matching Left-Hand Cylinder: 201183R
Common Cross References: 201184, 201184X, RH201184, RH201184X, E5408, E5408X, WC37729