View 1 Photo View 0 Videos Eaton-Spicer DS404 Input Shaft Oil Seal, Part # SLS-1699 / 127591 Recently Updated $26.92 USD SLS-1699 / 127591 OIL SEAL INPUT SHAFT Quantity18ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNTN SLS-1699 MLS Number14187518CategoryDifferential Misc. Parts Last Updated4/22/2026 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 Shaft O-Ring Recently Updated $4.33 USD O'RING OUTPUT SHAFT DS404 Quantity8ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 127545 EAT MLS Number14182925CategoryDifferential Misc. Parts Last Updated4/22/2026 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 Recently Updated $35.20 USD IAD REPAIR KIT - AIR LOCKOUT KIT Quantity5ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 510053 EAT MLS Number14182758CategoryDifferential Misc. Parts Last Updated4/22/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Shift Fork & Compression Spring Kit, Part # 129856 / 129859 Newly Listed $71.17 USD SHIFT FORK 129856 COMPRESSION SPRING 129859 KIT Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 510870 EAT MLS Number14324445CategoryDifferential Misc. Parts Last Updated4/22/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Oil Retainer Input Shaft DS404 Newly Listed $9.68 USD OIL RETAINER INPUT SHAFT Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 128700 EAT MLS Number14324444CategoryDifferential Misc. Parts Last Updated4/22/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Late DS404/40344 Rebuild Bearing Kit Recently Updated $656.53 USD LATE DS404/40344 REBUILD BEARING KIT Quantity4ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNCB DRK404FA MLS Number12743798CategoryDifferential Misc. Parts Last Updated4/21/2026 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 O-Ring Lockout Shift Fork Assembly Recently Updated $12.78 USD O'RING LOCKOUT SHIFT FORK ASM Quantity20ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 210180 EAT MLS Number14200751CategoryDifferential Misc. Parts Last Updated4/21/2026 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 Shaft Oil Retainer Recently Updated $9.68 USD OIL RETAINER INPUT SHAFT Quantity12ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 128700 EAT MLS Number14200732CategoryDifferential Misc. Parts Last Updated4/21/2026 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 IAD Repair Kit - Air Lockout Recently Updated $35.20 USD IAD REPAIR KIT - AIR LOCKOUT Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 510053 EAT MLS Number14187592CategoryDifferential Misc. Parts Last Updated4/21/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Front Bearing F-Box Rebuilder Kit DS404/DS405/DSP40 Recently Updated $444.48 USD KIT BEARING F-BOX REBUILDER DS404,DS405,DSP40 FRONT, Quantity12ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberFER FDRK 404F MLS Number13862238CategoryDifferential Misc. Parts Last Updated4/18/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Helical Pinion Drive Gear DS404, 454 Recently Updated $92.86 USD HELICAL PINION DRIVE GEAR DS404, 454 Quantity5ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR127523 MLS Number14240143CategoryDifferential Misc. Parts Last Updated4/18/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Input Shaft Kit DS404 Recently Updated $139.48 USD INPUT SHAFT KIT DS404 Quantity11ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC 510593 MLS Number14250211CategoryDifferential Misc. Parts Last Updated4/18/2026 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 Input Shaft Oil Retainer Recently Updated $9.68 USD OIL RETAINER INPUT SHAFT Quantity11ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 128700 EAT MLS Number14187529CategoryDifferential Misc. Parts Last Updated4/18/2026 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 Recently Updated $2.45 USD ROLL PIN - PINION GEAR Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 118807 EAT MLS Number14187499CategoryDifferential Misc. Parts Last Updated4/18/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Ring & Pinion Hypoid Gear Set 3.08 Ratio DS404/405/454/344 DSP40/41 Recently Updated $196.10 USD RING PINION HYPOID GEAR SET RATIO 3.08 , EATON DS404/405/454/344 DSP40/41, 37 RING GEAR TEETH , RING GEAR OD 15.4 INCHES , 12 PINION TEETH , ConditionNewRear End3.08 ratioFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 513386 MLS Number11324005CategoryDifferential Misc. Parts Last Updated4/18/2026 LocationPortland, OR, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Ring & Pinion Gear Set Ratio 4.11, Replaces 211470 Recently Updated $175.10 USD RING PINION GEAR SET RATIO 4.11 EATON DS404 , RING GEAR DIAM 15.4 , RING TEEETH 37 , PINION TEETH 9 ConditionNewRear End4.11 ratioFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 513380 MLS Number10834982CategoryDifferential Misc. Parts Last Updated4/18/2026 LocationPortland, OR, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Ring & Pinion Hypoid Gear Set Ratio 3.08 for DS404/405/454/344 DSP40/41 Recently Updated $356.61 USD RING PINION HYPOID GEAR SET RATIO 3.08 , EATON DS404/405/454/344 DSP40/41, 37 RING GEAR TEETH , RING GEAR OD 15.4 INCHES , 12 PINION TEETH , ConditionNewRear End3.08 ratioFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 513386 MLS Number11320903CategoryDifferential Misc. Parts Last Updated4/18/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Oil Seal, Part # SLS-1701 / 127592 DTP7592 Recently Updated $22.56 USD SLS-1701 / 127592 DTP7592 OIL SEAL Quantity20ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNTN SLS-1701 MLS Number14187519CategoryDifferential Misc. Parts Last Updated4/18/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton-Spicer DS404 Wheel Diff Support Case Kit 5.29 to 6.50, Part # 508656 Newly Listed $285.10 USD 508656 KIT WHEEL DIFF 5.29 TO 6.50 SUPPORT CASE ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 508656 EAT MLS Number14317341CategoryDifferential Misc. Parts Last Updated4/17/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Heavy Duty Differential Kit DS404/405/454/344, Part # NCB DRK-404F Recently Updated $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 Updated4/16/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Basic Overhaul Kit Pre June 2008 Recently Updated $561.90 USD BASIC OVERHAUL KIT EATON DS404 PRE JUNE 2008 ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 216220 EAT MLS Number14217611CategoryDifferential Misc. Parts Last Updated4/16/2026 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 Late Style Air Piston Cap Diff Lock Recently Updated $28.70 USD DS404 LATE STYLE AIR PISTON CAP DIFF LOCK ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 129573 EAT MLS Number14216733CategoryDifferential Misc. Parts Last Updated4/16/2026 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 Recently Updated $9.68 USD OIL RETAINER INPUT SHAFT Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 128700 EAT MLS Number14216367CategoryDifferential Misc. Parts Last Updated4/16/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Gear Nest Kit 41 Spline DS/RS404, Part # 510397 Recently Updated $169.55 USD GEAR NEST KIT 41 SPLINE DANA DS/RS404 510397 Quantity10ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR216229 MLS Number14220030CategoryDifferential Misc. Parts Last Updated4/22/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Input Thrust Washer for DS404, Part # 128702 Recently Updated $29.72 USD 128702 INPUT THRUST WASHER DS404 Quantity8ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 132439 EAT MLS Number14182785CategoryDifferential Misc. Parts Last Updated4/16/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info