The Eaton Fuller K-3121 or K3121 Air Valve Converter Kit is a genuine Eaton assembly used to convert the range valve circuit on Fuller manual transmissions. The kit contains a range actuator valve (4303110), a 1/8 x 1/8 pipe adapter (4302479), two straight connectors (84006), one elbow connector (85003), two 1/4-20 x 1-3/4 screws, and an instruction letter. Having the complete component set in one kit simplifies the conversion job and reduces sourcing time. Cross-references include 3945931, 5305163, S-E336, and K3121SP, among others. Call us to confirm proper fit for your transmission application.
Features
Includes Eaton range actuator valve (part 4303110)
Includes 1/8 x 1/8 pipe adapter (part 4302479)
Two straight connectors and one elbow connector included
Two 1/4-20 x 1-3/4 screws and instruction letter in the kit
Cross-references: 3945931, 5305163, S-E336, K3121SP, 1693372C91
Sold as a complete conversion kit, each unit individually packaged
