The Eaton Fuller K-4312 or K4312 is a VCS ECU Assembly Kit for manual transmissions. This kit centers on a Gen 3 ECU assembly (part 4309016) paired with a transmission application software assembly (5570052) and a 10-speed 8LL VCS configuration software module (5582106). The hardware pack includes two sets of nut assemblies (parts 4305870 and 4305919, three each) and instruction letters for installation guidance. Designed for VCS-equipped Fuller manual transmissions, the K-4312 provides all the control module components needed for a complete ECU replacement in one kit. Call us to confirm proper fit for your application.
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
Gen 3 ECU assembly (Eaton p/n 4309016) included
VCS transmission application software assembly (p/n 5570052) included
10-speed 8LL VCS configuration software module (p/n 5582106) included
Hardware pack with two sets of three nut assemblies (p/n 4305870 and 4305919)
Instruction letters L-2005-10 and L-2008-07 included
Applies to VCS-equipped Eaton Fuller manual transmissions
Tech Specs
- Part Number: K-4312 or K4312
- Kit Type: ECU Assembly Kit
- Application: VCS Manual Transmission
- ECU Generation: Gen 3
- Kit Contents: Gen 3 ECU assembly, transmission application software, 10-speed 8LL VCS configuration software, nut assemblies (x6 total, two part numbers), instruction letters
- Cross Reference: K-4312, K4312, K-4312RX, K4312RX
