Rebuilt Tremec T5 World Class gearbox at Racing Solutions Perth

Does This Fit My T5? Falcon and Commodore Fitment Guide

This is the question we get asked more than any other, so here is the plain answer.

If your car is an Australian-delivered Falcon or Commodore with a five speed manual, our T5 parts almost certainly fit it. The one thing worth checking before you order is the input shaft pocket bearing, and that takes about two minutes.

Ford Falcon

Our World Class T5 parts suit the T5 as fitted to:

  • XF, XG and XH
  • EA, EB and ED
  • EF and EL
  • AU
  • BA

Six-cylinder and V8, and that includes the utes and vans.

Holden Commodore

  • VN, VP, VR and VS

Six-cylinder and V8.

TVR and Sierra Cosworth

The T5 fitted to TVR and Sierra Cosworth applications takes the same parts. If you are running one of these, the range suits you as well.

Why one gearbox covers so many cars

The T5 was built by BorgWarner and later Tremec, and it was not designed for any single car. It was a supplier gearbox that manufacturers bolted behind whatever engine they had. Ford and Holden both used it in Australia for well over a decade, and the internals stayed largely the same the whole time.

That is why a synchro ring out of a VN Commodore and one out of an EL Falcon are the same part. The bellhousing pattern, the shifter position and the tailshaft flange change from car to car. The bearings, synchros, seals and small parts inside do not.

So when someone asks whether a part fits their car, the honest answer is usually that it fits their gearbox, and the car it came out of matters much less than people expect.

Gears are the exception

Gear ratios can differ between the six-cylinder and the V8, so gears are the one group of parts where the engine in front of the box actually matters. Everything else in the gearbox is shared.

If you are ordering gears or a gearset, tell us the car and the engine and we will make sure you get the right ratios. For bearings, synchros, seals, shift keys, bushes and rebuild kits, six or eight makes no difference.

The one exception when buying a rebuild kit: the input shaft pocket bearing

Two types were fitted to the World Class T5 and they are not interchangeable. One is a tapered roller, often called the Cobra style. The other is a loose needle roller. Which one you have depends on the individual gearbox rather than the car it came in, so you cannot work it out from the model.

This matters when you are buying a rebuild kit, because the kit is built around one or the other. Here is how to identify yours in two minutes.

If the box is still together and you cannot check yet, order the kit with Not sure - contact me selected and we will confirm with you before we pack it. Nobody gets sent the wrong bearing.

World Class and non World Class

Not every T5 is a World Class T5. The earlier non World Class boxes use different internals, and our range is built around the World Class version, which is what almost every Australian-delivered Falcon and Commodore was fitted with.

If you have imported something, or you are working on an older box and you are not certain what you have, send us a photo before you order. It takes us a moment to tell from the case and the tag, and it saves you sending parts back.

What we cannot tell you from the model alone

A T5 that has been apart before may not have the parts in it that it left the factory with. Gearboxes get swapped between cars, mixed with parts from other boxes, and rebuilt with whatever was on the shelf at the time. That is normal and it is not a problem, but it does mean the car it is bolted into is not proof of what is inside.

If your box has a history, or you bought it second hand, the safest thing is to strip it and look before you order a full kit.

Still not sure?

Tell us the car, the engine, and what the gearbox is doing. If it is already apart, send a photo. We rebuild these boxes ourselves and we will confirm the right part before you spend anything.

Call 0458 998 395 or use the contact page.

Where to start

Every part we list is held in stock in Perth, Western Australia.

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