8973497050 Isuzu CYLINDER; WHEEL, Price: 177.05$, Weight: 1.584kg

Rear Wheel Brake Hydraulic Cylinder for Isuzu Drum Axles

This replacement wheel cylinder restores safe, even braking on vehicles with rear drum brakes. Designed for popular Isuzu platforms, it keeps hydraulic pressure stable, giving you a firm pedal and balanced stopping power under load, in city traffic, or on long hauls.

Why this part is needed

The rear drum system relies on this small hydraulic unit to push the brake shoes against the drum. Over time, moisture, road salt, and heat wear the bore and seals. Replacing a tired unit prevents pull to one side, long pedal travel, and brake fade—key for towing and commercial use.

How it works ️

When you press the pedal, fluid pressure enters the cylinder, moving two pistons outward. These pistons drive the shoes into the drum, converting hydraulic force into friction to slow the wheel. High-grade rubber cups hold pressure; a bleed screw lets you remove air for a solid pedal.

What happens if it’s broken ⚠️

Leaking fluid, wet backing plate, spongy pedal, uneven braking, pull on stop, or warning light can appear. If ignored, you risk fluid loss, overheated drums, longer stopping distances, and damage to shoes and drum. In severe cases, one rear wheel may lose braking entirely.

Build and fitment ✅

Precision-honed bore, corrosion-resistant casting, OE-style ports and threads, and high-temperature seals ensure tight fit and long service. Compatible with standard rear drum hardware and brake fluid DOT 3/4.

Install tips

Replace in axle pairs, clean the backing plate, set shoe clearance, torque lines gently, and bleed the system until clear, bubble-free fluid flows. Always flush contaminated fluid for best pedal feel and longevity.