The Eaton Fuller K-4021 or K4021 is a Transmission Controller Kit designed around a Generation 3 ECU assembly for hybrid transmission applications. The kit includes three nut assemblies (part 4305919), one Gen 3 ECU assembly (4309015), one hybrid transmission application software assembly (5569910), one configuration software assembly (5582037), and one instruction letter (L-2009-13). This complete kit supplies every major component needed to service or replace the electronic control system in compatible Eaton Fuller automated transmissions. Call us to confirm proper fit for your specific transmission and vehicle before ordering.
A refundable core charge of $350.00 applies to this item and will be collected at checkout. The core charge is refunded upon receipt of your returned core, subject to its condition; customer is responsible for return shipping. Call us at (877) 776-4600 for details.
Features
Genuine Eaton Fuller Transmission Controller Kit, part number K-4021 or K4021
Includes Generation 3 ECU Assembly (part 4309015)
Hybrid transmission application software assembly included (part 5569910)
Configuration software assembly included (part 5582037)
Three nut assemblies (part 4305919) and instruction letter (L-2009-13) included
Sold by Pro Gear and Transmission
Tech Specs
- Kit Number: K-4021 or K4021
- Kit Type: Transmission Controller Kit
- ECU Assembly: 4309015 - ECU Assembly, Generation 3 (qty 1)
- Software - Transmission Application (Hybrid): 5569910 (qty 1)
- Software - Configuration: 5582037 (qty 1)
- Nut Assembly: 4305919 (qty 3)
- Instruction Letter: L-2009-13 (qty 1)
