View 2 Photos View 0 Videos Fuller FS Series Mainshaft 5TH Gear 48 Spline 25 Teeth $181.50 USD MAINSHAFT 5TH GEAR FULLER FS SERIES , 48 SPLINE 25 TEETH ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT 4304543 FUL MLS Number14201317CategoryTransmission Parts Last Updated3/21/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Fuller FS/FSO Series 4TH/5TH Countershaft Gear 57 Inner Teeth 33 Outer Teeth $108.02 USD GEAR COUNTER SHAFT 4TH/5TH FULLER FS-FSO SERIES , 57 INNTER TEETH , 33 OUTER TEETH ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT 4304097 FUL MLS Number14256757CategoryTransmission Parts Last Updated3/21/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Fuller FSO6406A Transmission Shift Cover $149.10 USD HOUSING ASSY, SHIFT BAR ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT A6975 MLS Number14218644CategoryTransmission Shift Covers Last Updated3/2/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Fuller FSO6406A Hydraulic Clutch Release Fork $147.17 USD HYDRAULIC CLUTCH RELEASE FORK FULLER FSO ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT 125596 FUL MLS Number14218517CategoryTransmission Parts Last Updated3/20/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Fuller FSO6406A Countershaft Gear 4TH or 5TH Speed 48 Teeth $132.17 USD COUNTERSHAFT GEAR 4TH OR 5TH SPEED 48 TEETH ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberSST 4304542 MLS Number14218479CategoryTransmission Parts Last Updated3/20/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Fuller FSO6406A Mainshaft 5TH Gear FS Series 48 Spline 25 Teeth $181.50 USD MAINSHAFT 5TH GEAR FULLER FS SERIES , 48 SPLINE 25 TEETH Quantity4ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT 4304543 FUL MLS Number14216031CategoryTransmission Parts Last Updated3/20/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Fuller FS Series Mainshaft 5TH Gear 48 Spline 25 Teeth for FSO6406A $115.10 USD MAINSHAFT 5TH GEAR FULLER FS SERIES , 48 SPLINE 25 TEETH Quantity2ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT 4304543 FUL MLS Number14204481CategoryTransmission Parts Last Updated3/20/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Fuller FSO6406A Countershaft Gear 4TH or 5TH Speed 48 Teeth $166.59 USD COUNTERSHAFT GEAR 4TH OR 5TH SPEED 48 TEETH Quantity2ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT 4304542 FUL MLS Number14201847CategoryTransmission Parts Last Updated3/20/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Fuller FSO6406A Mainshaft 5TH Gear, 48 Spline 25 Teeth $181.50 USD MAINSHAFT 5TH GEAR FULLER FS SERIES , 48 SPLINE 25 TEETH Quantity2ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT 4304543 FUL MLS Number14193047CategoryTransmission Parts Last Updated3/20/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Fuller FSO6406A Input Shaft 30MM Pilot 1.75 in Pull $140.19 USD INPUT SHAFT FULLER FSO6406A, 30MM PILOT 1.75 IN PULL ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberINC FUR4304539 MLS Number14175984CategoryTransmission Parts Last Updated3/20/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Fuller FSO6406A Synchro Assembly 5-6 with Cups $190.90 USD SYNCHRO ASSY 5-6 FULLER FSO6406A WITH CUPS Quantity3ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberSST K3421 MLS Number14175039CategoryTransmission Parts Last Updated3/20/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Fuller FS Series Mainshaft 5TH Gear 48 Spline 25 Teeth for FSO6406A $181.50 USD MAINSHAFT 5TH GEAR FULLER FS SERIES , 48 SPLINE 25 TEETH Quantity2ConditionNewFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberCCT 4304543 FUL MLS Number14175038CategoryTransmission Parts Last Updated3/20/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Fuller FSO6406A Transmission $3,525 USD ConditionRemanufacturedTransmission6 SpeedFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberREB FSO6406A MLS Number13514869CategoryTransmissions Last Updated10/1/2025 LocationLansing, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Fuller FSO6406A Transmission $3,195.34 USD ConditionRemanufacturedTransmission6 SpeedFits To Make(s)FULLERFits To Model(s)FSO6406AStock NumberREC FSO6406A MLS Number13514870CategoryTransmissions Last Updated10/1/2025 LocationLansing, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Fuller FSO6406A Transmission $3,895 USD REBUILT FULLER FSO6406A TRANSMISSION ConditionRemanufacturedTransmission6 SpeedStock Number99309 MLS Number13759944CategoryTransmissions Last Updated8/14/2025 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Fuller FSO6406A Transmission $3,895 USD REBUILT FSO6406A FULLER 6 SPEED OVERDRIVE TRANSMISSION ConditionRemanufacturedTransmission6 SpeedStock Number98079 MLS Number13266842CategoryTransmissions Last Updated12/3/2024 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info