Allstate Trailer Spares
Cable Adjuster Pulley for Mechanical Trailer Brakes
Part No: R1639 | Barcode: 9343965000991 | Series: ASTSS Brakes
Zinc-plated cable adjuster pulley for mechanical trailer brake systems. Redirects and tensions the brake cable between the handbrake lever and the brake calipers, allowing fine adjustment of cable tension for consistent braking performance.
Zinc Plated
Cable Adjuster
Mechanical Brakes
Suitable For
Mechanical Disc Brakes
Trailer Handbrake Systems
Cable Brake Trailers
Key Features & Benefits
- Combined pulley and adjuster — redirects the brake cable around a corner while providing a screw-type tensioner to take up cable slack as brake pads wear.
- Zinc-plated finish — corrosion-resistant plating for long service life on trailers exposed to weather and road spray.
- Maintains braking performance — proper cable tension ensures both brakes engage evenly and the handbrake holds securely when parked.
- Easy adjustment — turn the adjuster to increase or decrease cable tension without removing any components from the trailer chassis.
When to Use This Pulley
Fit the R1639 cable adjuster pulley when building or repairing a mechanical (cable-actuated) trailer brake system. It mounts on the trailer chassis at the point where the brake cable changes direction. If the cable feels spongy or the handbrake lever travels too far before engaging, adjust the tensioner to take up the slack. Pair with R1616 disc brake pads and R1614 calipers for a complete ASTSS mechanical brake setup.
Authorised Australian Dealer — This product is sourced directly from Allstate Tooling Solutions Australia and is backed by full Australian manufacturer warranty and local support.
Product Specifications
| Part No. | Description | Type |
|---|---|---|
| R1614 | Mechanical Disc Brake Caliper | Caliper |
| R1614B | Hydraulic Disc Brake Caliper | Caliper |
| R1616 | Disc Brake Pads (2pc) | Pads |
| R1627 | Brake Cable Kit (8m Cable + Clamps) | Cable Kit |
| R1639 ★ | Cable Adjuster Pulley | Adjuster |
★ You are viewing the highlighted variant. Other brake components are also available.
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