ADVICS WCT-173 Drum Brake Wheel Cylinder - Rear

OE Rear Drum Brake Wheel Cylinder

ADVICS WCT-173 is an OE-style rear drum brake wheel cylinder built for Toyota Tacoma and Toyota Sienna applications. It uses an aluminum cylinder body with anodized and Kanizen-plated surface treatment, plus OE-quality rubber components for consistent hydraulic performance.

ADVICS Original Equipment Manufacturer parts are built around factory-style fitment and material choices, making this wheel cylinder a direct replacement for rear drum brake service on select Toyota vehicles.

Key Features

• OE-style drum brake wheel cylinder for rear brake hydraulics
• Aluminum casting with anodized and Kanizen-plated cylinder body surface
• OE-quality rubber components for hydraulic sealing
• 22.22 mm bore diameter
• Bolted attachment and bolted mounting method
• Bleeder screw and bleeder screw cap included
• 2 mounting holes
• 10 mm fitting inside diameter

Detailed Description

The ADVICS WCT-173 wheel cylinder is engineered for rear drum brake systems that require a factory-style hydraulic cylinder with OE-level material selection. It is a direct-fit replacement for 2005-2015 Toyota Tacoma, rear, and 2004-2008 Toyota Sienna, rear. This part number, WCT-173, is built to match the original application with an aluminum body and plated surface treatment that helps strengthen the cylinder surface.

This part cross-references Toyota OE numbers 47550-08030 and 47550-26140 for the same application. For shoppers searching for a rear drum brake wheel cylinder for Toyota Tacoma or Toyota Sienna, WCT-173 provides the correct OE-style configuration for the listed rear brake applications.

What It Helps Fix

• Brake fluid leakage at the rear wheel cylinder
• Soft or inconsistent rear drum brake pedal response
• Uneven rear brake shoe actuation
• Corrosion or wear in the hydraulic cylinder body
• Bleeding issues caused by a damaged bleeder screw assembly

Installation Notes and Tips

Confirm rear drum brake configuration and match the bore diameter, mounting style, and fitting size before installation. Replace or inspect brake shoes, hardware, and brake fluid condition during service, and bleed the hydraulic system after installation to remove air from the rear brake circuit. Verify fitment for your exact Toyota Tacoma or Toyota Sienna year before ordering.

Quality Assurance

ADVICS Original Equipment Manufacturer parts are built to OE-style specifications with OE-quality rubber components and plated cylinder surfaces for consistent service performance. This product is intended as a direct replacement for the listed rear applications.