View 1 Photo View 0 Videos Eaton-Spicer Output Side Gear 39 Spline DS404/DSP40/DST40/DSH40/DSH44 (After 6/2008) Recently Updated $71.94 USD OUTPUT SIDE GEAR 39 SPLINE , EATON-SPICER DS404, DSP40, DST40, DSH40, DSH44 , FOR UNITS AFTER 6/2008 Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR132443 MLS Number14189963CategoryDifferential Misc. Parts Last Updated5/12/2026 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 Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC 510593 MLS Number14250211CategoryDifferential Misc. Parts Last Updated5/12/2026 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 for DS404 Newly Listed $84.15 USD HELICAL PINION DRIVE GEAR DS404, 454 Quantity7ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR127523 MLS Number14362421CategoryDifferential Misc. Parts Last Updated5/12/2026 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 IAD Repair Kit - Air Lockout Recently Updated $35.20 USD IAD REPAIR KIT - AIR LOCKOUT Quantity3ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 510053 EAT MLS Number14187592CategoryDifferential Misc. Parts Last Updated5/12/2026 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 Thrust Washer, 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 Number14187545CategoryDifferential Misc. Parts Last Updated5/12/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Oil Trough for Inside Front Cover DS404/DSP40 Recently Updated $11.35 USD OIL TROUGH FOR INSIDE FRONT COVER EATON DS404/DSP40 Quantity4ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 129577 EAT MLS Number14201368CategoryDifferential Misc. Parts Last Updated5/9/2026 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 Roll Pin - Pinion Gear Recently Updated $2.45 USD ROLL PIN - PINION GEAR Quantity8ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 118807 EAT MLS Number14200708CategoryDifferential Misc. Parts Last Updated5/9/2026 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 Lockout Sliding Clutch, Part # 127510 Recently Updated $55.18 USD LOCKOUT SLIDING CLUTCH 127510 ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberPAI EE96260 MLS Number14218923CategoryDifferential Misc. Parts Last Updated5/8/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer 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 Quantity6ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 10226476 EAT MLS Number14218809CategoryDifferential Misc. Parts Last Updated5/8/2026 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 Quantity3ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 129573 EAT MLS Number14216733CategoryDifferential Misc. Parts Last Updated5/8/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer O-Ring Lockout Shift Fork Assembly for DS404 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 Number14216450CategoryDifferential Misc. Parts Last Updated5/8/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer 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 Quantity3ConditionNewRear End3.25 ratioFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR211465 MLS Number10956993CategoryDifferential Misc. Parts Last Updated5/12/2026 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 Shift Fork & Compression Spring Kit, Part # 129856 & 129859 Recently Updated $71.17 USD SHIFT FORK 129856 COMPRESSION SPRING 129859 KIT Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 510870 EAT MLS Number14187593CategoryDifferential Misc. Parts Last Updated5/12/2026 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 Gear Kit Nut 126216 & Bolt 129686 for DS/RS404 Recently Updated $65.15 USD RING GEAR KIT - NUT 126216 BOLT 129686 FOR DS/RS404 Quantity8ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 508652 EAT MLS Number14187591CategoryDifferential Misc. Parts Last Updated5/12/2026 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 Nest Kit 41 Spline DS/RS404, Part # 510397 Recently Updated $169.55 USD GEAR NEST KIT 41 SPLINE DANA DS/RS404 510397 Quantity9ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberINC EAR216229 MLS Number14220030CategoryDifferential Misc. Parts Last Updated5/12/2026 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 Recently Updated $3.58 USD DIFF SIDE GEAR THRUST WASHER Quantity22ConditionNewFits To Make(s)WASHERFits To Model(s)DS404Stock NumberCCT 129305 EAT MLS Number14200737CategoryDifferential Misc. Parts Last Updated5/7/2026 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 Output Shaft O-Ring Recently Updated $4.33 USD O'RING OUTPUT SHAFT DS404 Quantity9ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 127545 EAT MLS Number14200718CategoryDifferential Misc. Parts Last Updated5/7/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Oil Seal Input Shaft 3" 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 Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 10226476 EAT MLS Number14190815CategoryDifferential Misc. Parts Last Updated5/7/2026 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 O-Ring Lockout Shift Fork Assembly Recently Updated $12.78 USD O'RING LOCKOUT SHIFT FORK ASM Quantity13ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 210180 EAT MLS Number14200751CategoryDifferential Misc. Parts Last Updated5/9/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Bushing Helical Gear for 344/404/405/454 Models Recently Updated $81.63 USD BUSHING HELICAL GEAR 344, 404, 405, 454 MODELS Quantity8ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 129371 EAT MLS Number14200738CategoryDifferential Misc. Parts Last Updated5/6/2026 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 Quantity11ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 10226476 EAT MLS Number14197524CategoryDifferential Misc. Parts Last Updated5/6/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer DS404 Pinion Gear Roll Pin Recently Updated $2.45 USD ROLL PIN - PINION GEAR Quantity12ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 118807 EAT MLS Number14216258CategoryDifferential Misc. Parts Last Updated5/6/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer Front Bearing F-Box Rebuilder Kit DS404/DS405/DSP40 Recently Updated $444.48 USD KIT BEARING F-BOX REBUILDER DS404,DS405,DSP40 FRONT, Quantity8ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberFER FDRK 404F MLS Number13862238CategoryDifferential Misc. Parts Last Updated5/6/2026 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 Oil Seal, Part # SLS-1701 / 127592 DTP7592 Recently Updated $22.56 USD SLS-1701 / 127592 DTP7592 OIL SEAL Quantity18ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberNTN SLS-1701 MLS Number14187519CategoryDifferential Misc. Parts Last Updated5/6/2026 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 $9.68 USD OIL RETAINER INPUT SHAFT Quantity12ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)DS404Stock NumberCCT 128700 EAT MLS Number14187529CategoryDifferential Misc. Parts Last Updated5/12/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info