Hydraulic Caliper Piston Seal Repair Kit

$24.75

22 in stock

Why should you replace your piston seals? 

✓ Prevent water ingress in brakes calipers.
Quick and easy part of brake maintenance.
Tight fit and high-quality make.

22 in stock

Frequently Bought Together

Stainless Hydraulic Caliper Piston

Key Benefits of Stainless Hydraulic Caliper Piston

Suits AL-KO & Trojan Hydraulic Caliper Brakes.
Manufacture from Marine-Grade 316 Stainless Steel.
✓ Long-Lasting Product with Easy Installation.

Designed and manufactured by Couplemate™ Australia.

SKU: CM792 Categories: , Tag:
Couplemate accepts PayPal, Visa and Mastercard.

Hydraulic Caliper Piston Seal Repair Kit


If you are doing maintenance on your caliper brakes and need to replace your piston, then you’ll likely need to replace your caliper piston seals.

This hydraulic piston seal repair kit suits both AL-KO and Trojan hydraulic calipers. The leading cause of piston failure often stems from worn seals. When a seal is slightly damaged, water can enter the hydraulic chamber, leading to the piston jamming.

How often should you replace your piston seals? Experts recommend replacing your boat trailer caliper piston seals twice a year.

Product Specifications


When you purchase a hydraulic caliper piston seal repair kit, you’ll receive:

  • 1 x Piston Seal
  • 1 x Piston Ring
  • 2 x Caliper Pin Boots

Caliper seals are not easy to install, so patience is required. Once you have installed the first one, the remaining seal inserts will proceed faster.

Clean the piston’s bore before insertion. To help the new piston slide into position, use silicone grease inside the bore.

A good article about Refurbishing Brake Caliper Pistons on your Boat Trailer

The following parts are complimentary to these caliper seals.

Additional information

Weight0.25 kg
Dimensions6 × 6 × 6 cm

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