Truck transmission parts
Single parts, hard to find parts and complete rebuild kits to repair, rebuild or maintain a heavy duty truck transmission.
Our warehouse holds a large stock of truck transmission parts: hard to find parts, single replacement parts and the kits to repair, rebuild or maintain a transmission. Whether you need one part or a whole rebuild kit, we can supply everything the job needs. Our parts people know these transmissions inside out, so even if you are not sure exactly what you need, a call is usually enough to identify it.

Parts by make

Fabco parts
Parts and kits for Fabco transfer cases, steerable drive axles and PTOs.
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Eaton Fuller parts
Rebuild kits, bearing kits, gears and shafts for 5 to 18 speed Fuller units, mid-range and AutoShift.
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Spicer parts
Spicer transmission parts in stock, identified by our parts desk, and Spicer rebuilds.
View details- Rockwell and Meritor parts and kits, with a part number list
- Mack transmission parts
- Meritor transmission parts
- ZF transmission parts
- Allison transmission parts: call with the model and serial number
How to order the right part
- Read the model, serial number and any bill of material number off the transmission ID tag.
- If you have the old part, the number cast or stamped on it is the fastest match.
- Doing a full rebuild? Ask for the overhaul kit for your model and we will quote the rest of the parts list with it.
Watch: a walkthrough of the Pro Gear parts warehouse
Need a transmission or a part?
Read us the model and serial number off the transmission ID tag, or the part number off the old part. We will find it, price it and ship it.