View 1 Photo View 0 Videos Eaton-Spicer DS404 Inter Axle Differential Assembly, Part # 129771 / 134192 Recently Updated $187.95 USD INTER AXLE DIFF ASSEMBLY EATON DS404, INTERCHANGES, EATON 129771 134192 Quantity7ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 128634 MLS Number14207281CategoryDifferential Misc. Parts Last Updated4/11/2026 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 Recently Updated $49.32 USD SIDE GEAR 41 SPLINE 18 TEETH SPICER RS/RD/DD404 Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 127368 MLS Number14206935CategoryDifferential Misc. Parts Last Updated4/11/2026 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 Recently Updated $115.35 USD 510593 INPUT SHAFT KIT DS404 35/77/44 TEETH 13.64 OL Quantity4ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR216226 MLS Number14201061CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana DS/RS404 Gear Nest Kit 41 Spline, Part # 510397 Recently Updated $161.48 USD GEAR NEST KIT 41 SPLINE DANA DS/RS404 510397 Quantity4ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR216229 MLS Number14200756CategoryDifferential Misc. Parts Last Updated4/11/2026 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 Quantity9ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 210180 EAT MLS Number14200751CategoryDifferential Misc. Parts Last Updated4/11/2026 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 Quantity4ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 128700 EAT MLS Number14200732CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Forward Input Shaft Oil Seal 3" ID DS404/RS404/DS405/DSP40/DSP41, Part # 127591 Recently Updated $38.70 USD 127591 OIL SEAL FORWARD INPUT SHAFT 3" ID, EATON DS404/RS404/DS405/DSP40,DSP41 Quantity12ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 10226476 EAT MLS Number14197524CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer O-Ring Lockout Shift Fork Assembly for DS404 Recently Updated $12.78 USD O'RING LOCKOUT SHIFT FORK ASM Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 210180 EAT MLS Number14191430CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Oil Seal Forward Input Shaft 3" ID DS404/RS404/DS405/DSP40/DSP41, Part # 127591 Recently Updated $38.70 USD 127591 OIL SEAL FORWARD INPUT SHAFT 3" ID, EATON DS404/RS404/DS405/DSP40,DSP41 Quantity8ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 10226476 EAT MLS Number14218809CategoryDifferential Misc. Parts Last Updated4/11/2026 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 Input Shaft Oil Seal, Part # SLS-1699 / 127591 Recently Updated $26.92 USD SLS-1699 / 127591 OIL SEAL INPUT SHAFT Quantity22ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNTN SLS-1699 MLS Number14187518CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana DS/RS404 Gear Nest Kit 41 Spline, Part # 510397 Recently Updated $161.48 USD GEAR NEST KIT 41 SPLINE DANA DS/RS404 510397 ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR216229 MLS Number14281437CategoryDifferential Misc. Parts Last Updated4/11/2026 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 Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNCB DRK404FA MLS Number12743798CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1998 Eaton-Spicer DS404 Front Axle Housing Recently Updated $1,250 USD BOLT ON COVER FOR OLDER PETE, WELD ON BRACKET ConditionUsedFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock Number2586671 MLS Number14021932CategoryAxle Housings, Front Last Updated4/10/2026 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 Pinion Gear Roll Pin Recently Updated $2.45 USD ROLL PIN - PINION GEAR Quantity13ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 118807 EAT MLS Number14216258CategoryDifferential Misc. Parts Last Updated4/9/2026 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 Seal, Part # SLS-1701 / 127592 DTP7592 Recently Updated $22.56 USD SLS-1701 / 127592 DTP7592 OIL SEAL Quantity22ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNTN SLS-1701 MLS Number14187519CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Output Shaft O-Ring DS404 Recently Updated $4.33 USD O'RING OUTPUT SHAFT DS404 Quantity52ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 127545 EAT MLS Number14187515CategoryDifferential Misc. Parts Last Updated4/9/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Gear Set 3.70 Ratio 211468 DS/DA/DD344/404/405/454 Recently Updated $469.90 USD 211468 GEAR SET RATIO 3.70 EATON DS/DA/DD344/404/405/454 , RING GEAR 15.12IN OD X 8.25IN ID X 37 TEETH , PINION GEAR 2.08 IN SPLINE OD X 41 SPLINE TEETH X 10 TEETH Quantity2ConditionNewRear End3.70 ratioFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberPAI EE90150 MLS Number13862312CategoryDifferential Misc. Parts Last Updated4/8/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton-Spicer DS404 Ring and Pinion Gear Set, 3.70 Ratio, Replaces Part # 211468 Recently Updated $747.10 USD RING PINION DS404 RATIO 3.70 REPLACED 211468, GEAR STYLE: HYPOID, PINION GEAR TOOTH QUANTITY: 10, RING GEAR DIAMETER: 15.4 (INCH), RING GEAR TOOTH QUANTITY: 37, APPLICATION: DSP40... ConditionNewRear End3.70 ratioFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberDAN 513382 MLS Number12274093CategoryDifferential Misc. Parts Last Updated4/8/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2006 Eaton-Spicer DS404 Front Axle Housing Recently Updated $1,250 USD USED DS404 AXLE HOUSING ASSY ConditionUsedSuspensionMackFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock Number2559515 MLS Number13853914CategoryAxle Housings, Front Last Updated4/8/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Hypoid Ring & Pinion Gear Set 3.25 Ratio Front, Part # 211465 Recently Updated $395.25 USD 211465 HYPOID RING PINION GEAR SET RATIO 3.25 FRONT , EATON DSP40/DSP41/DS344/404/405/454, PINION GEAR TOOTH COUNT 12 , RING GEAR TOOTH COUNT 39 , RING GEAR DIAMETER 15.4 INCHES ConditionNewRear End3.25 ratioFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR211465 MLS Number10956993CategoryDifferential Misc. Parts Last Updated4/8/2026 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 Late Style Air Piston Cap Diff Lock Recently Updated $28.70 USD DS404 LATE STYLE AIR PISTON CAP DIFF LOCK Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 129573 EAT MLS Number14187540CategoryDifferential Misc. Parts Last Updated4/8/2026 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 Seal, Part # 127591 Recently Updated $26.92 USD 127591 OIL SEAL INPUT SHAFT Quantity18ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNTN SLS-1699 MLS Number14182429CategoryDifferential Misc. Parts Last Updated4/8/2026 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 Seal Forward Input Shaft 3" ID DS404/RS404/DS405/DSP40/DSP41, Part # 127591 Recently Updated $38.70 USD 127591 OIL SEAL FORWARD INPUT SHAFT 3" ID, EATON DS404/RS404/DS405/DSP40,DSP41 Quantity5ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 10226476 EAT MLS Number14209352CategoryDifferential Misc. Parts Last Updated4/7/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana DS/RS404/405/DSP40/41 Washer - Carrier Side Gear Recently Updated $1.76 USD WASHER - CARRIER SIDE GEAR DANA DS/RS404,405,DSP40,41 Quantity16ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 127386 MLS Number14206945CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Pinion Thrust Washer DS/RS404, Part # 127369 Recently Updated $1.44 USD PINION THRUST WASHER SPICER DS/RS404 REPLACED 127369 Quantity30ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberSST 129305 MLS Number14206942CategoryDifferential Misc. Parts Last Updated4/11/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info