


Engine Overhaul Kit 6.8L 24-Valve | John Deere PowerTech T2/T3 | Aftermarket RE546990
Call 0430 609 882 before ordering, or send us your machine model and serial number and we’ll confirm it.
| Replaces OEM / ref | RE546990 |
|---|---|
| Fits | John Deere |
| Part type | 6 Cylinder Engine Kit |
| Freight | Freight (heavy or long item) |
| Packed size (approx.) | 60 × 40 × 40 cm |
| Our part no. | — |
- Ships from our Sydney warehouseUsually dispatched within 1–3 business days. Freight is calculated at checkout from your postcode.
- 12-month parts warrantyOn top of your rights under Australian Consumer Law.
- Real parts peopleMon–Fri 8am–5pm on 0430 609 882.
Confirm Before Ordering
Engine overhaul kit contents vary by engine serial prefix. Please contact our parts desk to confirm kit specification and current lead time before placing your order. Our team will verify the correct kit for your engine and advise availability.
Description
John Deere 6.8L 24-valve kit for reliable engine rebuild performance
Description:
Aftermarket engine overhaul kit designed to replace OEM RE546990 for JD 6.8L PowerTech engines. Restores full compression, proper sealing and dependable performance in high-hour engines used in tractors, sprayers, construction and industrial applications.
Type: Engine overhaul kit – 6.8L PowerTech
Replaces OEM: RE546990
Function: Supplies the major internal components required to rebuild a JD 6.8L engine. Restores correct combustion, lubrication and sealing performance, preventing blow-by, oil usage, hard starting and power loss caused by worn pistons, liners and bearings.
SKU: DCP-RE546990
Dimensions: Includes complete piston and liner set — component dimensions must be confirmed per engine serial prefix
Weight: Approx. 45–60 kg depending on kit configuration
Value: Factory to Farmer pricing — tough build, honest price
Fits Models: JD machines using the 6.8L PowerTech engine — confirm serial-specific fitment.
Complete overhaul solution for PowerTech T2/T3 engines
The John Deere 6.8L 24-valve kit is designed for dependable engine rebuilds on John Deere PowerTech T2 and T3 applications. This aftermarket RE546990 overhaul kit gives technicians and equipment owners the core parts needed to restore performance, compression, and long-term reliability. It is built for 6.8L 24-valve engines where wear from heavy use has reduced power, fuel efficiency, or starting quality. By replacing critical internal components during one repair, you can help extend engine life and reduce the risk of repeated downtime in demanding farm, construction, or industrial jobs.
Built to support strong repair results
This engine overhaul kit is made for customers who want a practical, cost-effective solution without sacrificing repair quality. Each kit is intended to help bring the engine back to proper operating condition by addressing the parts most often affected by wear. When a John Deere 6.8L 24-valve kit is installed correctly, it can improve sealing, reduce blow-by, and support smoother combustion. That means better engine response and more stable performance under load. For service shops and fleet managers, it also simplifies ordering by combining major overhaul components in one package.
Ideal for maintenance, rebuilds, and equipment life extension
Heavy-duty equipment depends on engines that can handle long hours and tough working conditions. This aftermarket RE546990 kit is a smart choice for scheduled maintenance, failure repair, or full engine restoration when symptoms point to internal wear. Common signs include loss of power, oil consumption, coolant issues, hard starting, or excessive exhaust smoke. Rebuilding with a John Deere 6.8L 24-valve kit can help protect your equipment investment and improve uptime. It is a valuable option for operators who need a dependable repair path that keeps machines productive and ready for the next work cycle.
Aftermarket replacement value with dependable fitment
Choosing an aftermarket engine overhaul kit can provide strong value for buyers who need reliable parts at a competitive price. The RE546990 reference helps identify compatibility for the correct John Deere 6.8L 24-valve engine family, making it easier to match the right kit to the job. Before installation, always verify engine model, serial number, and application details to ensure proper fitment. With the right selection and professional installation, this kit can support a durable rebuild and consistent engine operation. It is a practical solution for anyone looking to restore performance while keeping repair costs under control.
Fitment
Fits: John Deere
Always check the part number on your existing part or in your operator’s manual. If in doubt, tick “Please verify fitment before dispatch” in your cart and we’ll check it for you.
All part numbers and images are for reference purposes only. This is an aftermarket replacement part unless otherwise stated. Discount Combine Parts is independent and is not affiliated with the referenced equipment manufacturers.

