FITMENT:The shifter isolator bushing kit fit for Eaton Fuller K3399, fit for Fuller Transmission K3399/K-3399 21244/23311, fit for Automann M23311E/M23311EUB/M23311/M23311UB, fit for Freightliner FULK-3399, fit for International FULK3399, fit for Kenworth FULK3399, fit for Peterbilt FULK3399, fit for Mack 3088-K3399, fit for Volvo FULK3399/176640/85105720, fit for Gaff 11611, fit for Dyco DT1437/DT1438 OE PART NUMBERS:K3399, 11611, K23311E, MS99-63399, M23311EUB HIGH QUALITYz:Shift isolation sleeve kit is made of high quality polyurethane rubber, which is strong and durable, slow aging, has strong corrosion and abrasion resistance, and has a longer service life than other types of rubber products