Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Eaton Fuller · Drivetrain
K3331
In stock · ships from Knoxville
The K3331 is a splitter valve kit for Eaton Fuller heavy-duty manual transmissions.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 8 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Replaces old part numbers 4300927, 17071, 4304031, 4304032, A-6862. Also used on Mack applications under Mack number 3088-K3331.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 7 of 7.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It replaces the air-actuated splitter valve assembly on the transmission top cover, which controls range and splitter shifts using compressed air. Over time, the valve housing, seals, and fittings can wear or leak, causing air loss and gear engagement issues, so replacing the entire kit restores dependable shifting.
Part Number: K3331
SPLITTER KIT
Vendor: Weller Truck Parts
Dealer: KP Services Crossville
Compatibility, alternatives, and more
