Centric 134.44802 Drum Brake Wheel Cylinder - Rear

Centric Premium Wheel Cylinder for Rear Drum Brakes

The Centric Premium Wheel Cylinder, part number 134.44802, is a rear drum brake hydraulic component built for Toyota applications that use a 7/8 in. bore and bolted mounting. It is listed for left and right rear positions and includes a bleeder screw for service bleeding during brake maintenance.

Centric Premium Wheel Cylinders are part of Centric Parts’ brake hydraulic line, which covers master cylinders, wheel cylinders, brake hoses, repair kits, and remanufactured power boosters. The 134.44802 wheel cylinder follows the same OE-style service focus with the key dimensions and connection types needed for proper rear drum brake operation.

• Part number: 134.44802
• Rear drum brake wheel cylinder
• 7/8 in. bore diameter (22.225 mm / 22.23 mm)
• Bolted attachment with 2-bolt mounting
• 2 mounting holes
• Bleeder screw included
• Inverted flare inlet fitting
• 10 mm inlet thread diameter and 1.0 thread pitch
• 10 mm bleeder screw thread diameter and 1.0 thread pitch
• Slotted pistons
• Left & right position listing

This rear wheel cylinder is used in Toyota Hiace, Toyota Tacoma, and Toyota Sienna rear drum brake service. It is a direct-fit style replacement for vehicles such as the 2006-2015 Toyota Hiace rear, 2015 Toyota Tacoma rear 5 lug, 2005-2014 Toyota Tacoma rear 5 lug with single piston caliper, and 2004-2010 Toyota Sienna rear. This part cross-references Dorman HELP 34274 for the same application.

Common Brake Issues It Can Address

• Brake fluid seepage at the rear wheel cylinder
• Soft or inconsistent rear brake pedal feel caused by hydraulic leakage
• Reduced rear drum brake response from worn internal seals or pistons
• Brake warning signs tied to contaminated or failing rear hydraulic components
• Service needs during rear drum brake overhaul on Toyota Hiace, Tacoma, or Sienna

Installation Notes and Fitment

Fits 2006-2015 Toyota Hiace, rear. Fits 2015 Toyota Tacoma, rear, 5 Lug; Centric Premium Wheel Cylinders. Fits 2005-2014 Toyota Tacoma, rear, 5 Lug; Single Piston Caliper; Centric Premium Wheel Cylinders. Fits 2004-2010 Toyota Sienna, rear.

Before installation, confirm the 10 mm inverted flare connection, 2-bolt mounting pattern, and 7/8 in. bore match the original part. Inspect the brake shoes, drums, and hydraulic lines for wear or contamination, and bleed the system after installation to remove air from the rear brake circuit.

Quality Assurance

Centric’s brake hydraulic program is built as a broad, current catalog of master cylinders, wheel cylinders, hoses, repair kits, and remanufactured boosters. Part number 134.44802 is specified with the core dimensions and connection details needed for rear drum brake service on listed Toyota applications.