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Couplemate Trailer Parts Online Store

Your Number 1 Online Store for Trailer Parts, Caravan Parts, Boat Trailer Parts & 4WD Towing Equipment.

Hubodometer for Caravans and Trailers

The Couplemate Hubodometer is a new, innovative safety device for caravan and trailer boat owners who want to know when it is time to service their rig.

Hayman Reese Tow Ball Scales

Tow ball caravan scale or boat trailer by Hayman Reese is the only way to keep your tow ball weight constant.

The Original Couplemate Trailer Guide

The Perfect Fathers Day Gift -Clearance Stock (The Marriage Saver).There is no better time to buy than now. 


Bargain basement towing equipment for your trailer or caravan.


Couplemate has the latest trailer parts, caravan parts and 4WD towing equipment for whatever your towing.
  • 2t x 60mm Round Stub Axle to suit Aussie Swag

    2t x 60mm Round Stub Axle to suit Aussie Swag

    $517.30 inc GST
  • 3/4 Master Cylinder Cylinder – Alko

    $8.70 inc GST
  • 45mm x 605mm Rocker Roller Spring

    45mm x 605mm Rocker Roller Spring

    $84.89 inc GST
  • Placeholder

    45mm x 655mm Galvanised Rocker Roller Spring

    $105.50 inc GST
  • Trailer Parts 48mm Alko Dust Cap

    48mm Alko Dust Cap suit European Models

    $15.06 inc GST
  • 2t x 60mm Round Stub Axle to suit Aussie Swag

    2t x 60mm Round Stub Axle to suit Aussie Swag

    $517.30 inc GST
  • 3/4 Master Cylinder Cylinder – Alko

    $8.70 inc GST

Couplemate Trailer Parts Is Your One Stop Trailer And Caravan Parts Shop.

Huge Range Of Trailer Parts, Caravan Parts & 4WD Towing Equipment.

Our warehouse has a large stock & range of trailer & caravan parts from Rated Dee Shackles to Complete Independent Coil Spring Suspension Kits. Our expert staff have over 60 combined years of experience in the trailer parts industry. So whatever part you’re after Couplemate Trailer Parts has the range and know how to help.

Boat Trailer Parts & Heavy Machinery Towing Equipment.

Couplemate also stock marine parts for boat trailers like Wobble Rollers, Braked Marine Axle Kits, Trailer Bearings and more. Need heavy machinery towing parts, Couplemate Tandem Trailer Parts has that covered too with our range of ADR Approved Pintle Hooks, Couplings & Tow Rings.

Choose Genuine Couplemate Trailer Parts.

Take the hassle out of towing your trailer, caravan or boat by using genuine Couplemate trailer and caravan parts. We have a range of solutions to make towing easier like our best selling Couplemate Marriage Saver or Trailer Guide. Our trailer guide is easy to install and assists to line up your trailer coupling over the tow ball.Another original is our Caravan Easy Jack, light-weight cast aluminium roll-on jack that is quick and safe to deploy, changing that flat tyre just became easier.

Use Australian Made Towing Equipment.

We have released our Australian made tow balls from short shank 50mm tow balls to long shack, 25mm high shoulder tow balls and 75mm tow balls for 10t gooseneck couplers.

Our Commitment To Service.

If you can’t find the trailer part or caravan part here on our trailer parts online store, then please contact us. Our staff are ready to take your call and help you find the right part for your 4WD, Truck, Caravan or Trailer.


Technical tips for towing caravans and trailers safely. Latest news about towing products and regulations.

Electronic Control Units (ECU) and Towing Looms

Why do I need an Electronic Control Unit (ECU) on my towbar? It would be true to say, being an Electrician, I can wire almost anything. Then along came the computer in motor vehicles. Computers are energy management systems. Computers monitor and control most of the...

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Truck Trailer Pintle Coupling Scales

If you are heavy on the scales, shift weight from the front of the axle set to a more central location. This action will lower the weight on your tow ball, allowing your vehicle to become lighter and therefore brake more effectively.

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Why does my Caravan push my Car when stopping?

Quite a normal question. Many people I talk to have asked themselves, without asking out loud. Back in the day when dad towing our caravan with his Holden, hitch-ups were something dada did and knew about. Truth is, he knew where the fuel when in the car and the...

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Bearing Buddy® fallen off or stolen? Video.

Bearing Buddy® is a machine fit as opposed to a compression fit. Machine fit sizes are not as flexible as compression fits. Unless you are aware of precautions that need to be taken, you may lose your bearing buddy® on the first bump in the road.

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How can I reduce Caravan Sway – video

How can I reduce Caravan Sway is a great question that has caused many new devices to be invented. The key to greatly reduce caravan sway is knowing the weight on your tow ball. Once you have adjusted the weight in your caravan or boat trailer, then it is a simple...

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