The Eaton Fuller Cooler Line, part number K-4300 or K4300, is a genuine Eaton Fuller transmission component designed to route fluid through the cooling circuit in Fuller-equipped transmissions. Cooler lines are a common service replacement item on heavy-duty trucks, and using the correct OEM part number helps ensure a proper connection to the transmission cooler. If you are sourcing this line as part of a transmission service or repair, call Pro Gear and Transmission to confirm this is the exact line for your specific Fuller transmission model before ordering.
Features
Genuine Eaton Fuller replacement cooler line
Part number K-4300 or K4300
Designed for use in Fuller heavy-duty transmission cooling systems
Direct OEM part number fit - no adaptation required
Sold by Pro Gear and Transmission
