View 1 Photo View 0 Videos Eaton-Spicer DS404 IAD Repair Kit, Air Lockout $35.20 USD IAD REPAIR KIT D404 AIR LOCKOUT Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 510053 EAT MLS Number14175767CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Ring Gear / Pinion $348.43 USD RING GEAR PINION SET DS404-3.90 , DS344/404/405 , 10 PINION GEAR TEETH , 39 RING GEAR TEETH , 15.4" GEAR DIAMETER , ConditionNewRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 513381 MLS Number11340259CategoryRing Gears / Pinions Last Updated3/20/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Input Shaft Nut $8.47 USD NUT - INPUT SHAFT DANA DS404 Quantity10ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 128049 MLS Number14207675CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Ring Gear Kit for DS/RS404, Nut 126216 & Bolt 129686 $65.15 USD RING GEAR KIT - NUT 126216 BOLT 129686 FOR DS/RS404 Quantity3ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 508652 EAT MLS Number14207334CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Side Gear 41 Spline 18 Teeth RS/RD/DD404 $49.32 USD SIDE GEAR 41 SPLINE 18 TEETH SPICER RS/RD/DD404 Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 127368 MLS Number14206935CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Helical Pinion Drive Gear DS404 $87.14 USD HELICAL PINION DRIVE GEAR DS404, 454 Quantity3ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 127523 MLS Number14206468CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Washer Helical Gear $11.57 USD WASHER HELICAL GEAR DS404 Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 128702 MLS Number14204567CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Helical Pinion Drive Gear DS404, 454 $92.86 USD HELICAL PINION DRIVE GEAR DS404, 454 Quantity7ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR127523 MLS Number14240143CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Output Side Gear $70.58 USD DS404 OUTPUT SIDE GEAR ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 127645 MLS Number14207657CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Heavy Duty Differential Kit DS404/405/454/344, Part # NCB DRK-404F $475.66 USD HEAVY DUTY DIFFERENTIAL KIT EATON DS404/405/454/344 Quantity4ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNCB DRK-404F MLS Number11339089CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Input Shaft Seal & Shim Kit Non-Pump DS404 $124.72 USD INPUT SHAFT SEAL SHIM KIT NON-PUMP DANA DS404 Quantity4ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 216226 MLS Number14204447CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Input Shaft Kit, Part # 510593 $115.35 USD 510593 INPUT SHAFT KIT DS404 35/77/44 TEETH 13.64 OL Quantity5ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR216226 MLS Number14201061CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Input Thrust Washer, Part # 128702 $29.72 USD 128702 INPUT THRUST WASHER DS404 Quantity7ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 132439 EAT MLS Number14200744CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 New Style Side Gear Bearing, Use with 29620 Race $166.97 USD BEARING FOR NEW STYLE SIDE GEAR DSP/DS404 SIDE GEAR, USE WITH 29620 RACE, ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 132060 EAT MLS Number14217786CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Shift Fork & Compression Spring Kit $71.17 USD SHIFT FORK 129856 COMPRESSION SPRING 129859 KIT ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 510870 EAT MLS Number14217028CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Oil Retainer Input Shaft $9.68 USD OIL RETAINER INPUT SHAFT Quantity7ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 128700 EAT MLS Number14216367CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Input Shaft Kit DS404 $139.48 USD INPUT SHAFT KIT DS404 Quantity12ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC 510593 MLS Number14250211CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Roll Pin - Pinion Gear $2.45 USD ROLL PIN - PINION GEAR Quantity7ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 118807 EAT MLS Number14187499CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Differential Side Gear Thrust Washer $3.58 USD DIFF SIDE GEAR THRUST WASHER Quantity34ConditionNewFits To Make(s)WASHERFits To Model(s)DS404Stock NumberCCT 129305 EAT MLS Number14200737CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Pinion Gear Roll Pin $2.45 USD ROLL PIN - PINION GEAR Quantity14ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 118807 EAT MLS Number14216258CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Input Shaft Kit 132447 for DS/RS404 $426.18 USD INPUT SHAFT 132447 KIT EATON DS/RS404, 13.622 OVERALL LENGTH , 3.900 MAJOR GEAR OD , 77 TEETH MAJOR GEAR , 2.25 GEAR OD INPUT SHAFT END , 44 TEETH INPUT SHAFT END ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 504181 EAT MLS Number13861966CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer IAD Repair Kit Air Lockout Kit for DS404 $35.20 USD IAD REPAIR KIT - AIR LOCKOUT KIT Quantity3ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 510053 EAT MLS Number14182758CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2007 Eaton-Spicer DS404 Front Axle Housing $1,271 USD ConditionUsedFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock Number2602563 MLS Number14119800CategoryAxle Housings, Front Last Updated3/18/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Main Diff Kit 41 Spline DS/RS404 $191.88 USD MAIN DIFF KIT 41 SPLINE EATON DS/RS404 Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 216229 MLS Number14206931CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Differential Pinion Oil Seal V-Ring DS/DA/DD 344/404/405/454 $31.96 USD DIFF OIL SEAL V-RING DIFF PINION EATON DS/DA/DD 344,404,405,454 Quantity5ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 128703 EAT MLS Number14182679CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info