Caravan Shock Absorber Upgrade Kit


(1 customer review)

How do Couplemate™ Shock Absorbers make a difference? 

Smoother towing experience with minimal bounce.
✓ Reduce payload rattle by dampening suspension.
Designed for towing longevity and easy installation.

Designed and manufactured by Couplemate™.

Smooth Riding, Silent Towing

Stainless Tow Bar Anti-Rattle Shim Kit

Why should you install Anti-Rattle Hitch Shims? 

Minimises Tow Bar Rattle
Quick and Easy Installation
Made of Stainless Steel

Designed and manufactured by Couplemate™ Australia.

SKU: CM611 Category:
Couplemate accepts PayPal, Visa and Mastercard.

Shock Absorber Upgrade Kit | Caravan, Campers & Trailers

The Couplemate™ Shock Absorber Upgrade Kit is specifically engineered to withstand tough Australian conditions.

Even when travelling in cities or highways, Australian roads are riddled with bumps, potholes, and corrugated terrain. Equipping your suspension with our Couplemate™ Shock Absorbers minimises both bounce and rattle and ensures a comfortable ride. This all-in-one kit is a great upgrade for caravans, campers and work trailers especially, as they help protect your precious cargo by absorbing excessive road force.

Couplemate™ Shock Absorbers are a popular choice and are used on trailers worldwide. Because of their robust design and reliability, our engineers prefer to use these on all our Independent Coil Suspension systems.

Finally, if you want to upgrade with this kit, you may want to replace your U-Bolts.


Product Specifications

Couplemate™ Shock Absorbers fit 45mm and 60mm wide springs, which will suit a wide range of towing setups.

  • Open: 380mm
  • Closed: 255mm
  • Travel Distance: 125mm
  • Dampening Type: Oil & Gas
  • Equivalent Weight Rating: 1600kg ATM (per pair)
  • Compression:
    • Opening: 80%
    • Closing: 20%

You can read more about Shock Absorber maintenance here.

Product Contents

When you buy the Couplemate™ Shock Absorber Upgrade Kit, you will receive:

  • 2 x Shock Absorbers
  • 4 x M12 Mounting Bolts (w/ nuts)
  • 2 x Top Mounting Brackets
  • 2 x Bottom Mounting Brackets (L/R)

Installation Guide

Installation Time: 1 hour 30 minutes

Installation Overview:

  1. Bleed shock absorbers before mounting.
  2. Weld the top bracket to a rigid point of your trailer (can be drilled & bolted).
  3. Mount the bottom bracket with your fish plates, ensuring the shock absorber bracket is on the nut side.
  4. Mount shock absorbers with M12 bolts and torque to 53.4Nm.

Ensure the shock absorber is mounted in the correct direction – the larger diameter of the shock absorber body is mounted into the top bracket, and the shock absorber should be angled towards the rear of the trailer. Do not mount the shock absorbers at an angle of more than 30 degrees.

You can download the full installation guide through this link.

Additional information

Weight5.1 kg
Dimensions30 × 10 × 6 cm

1 review for Caravan Shock Absorber Upgrade Kit

  1. Adam Mitchell (verified owner)

    Great product, I find them really easy to install and they made a huge difference to trailer. Very limited bounce and reduced any rattling.

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