View 1 Photo View 0 Videos Eaton DS404 Input Shaft Kit, Part # 510593 / 216226 / 128704 / SA920 504181 $143 USD input shaft kit Quantity2ConditionNewPart Number510593 / 216226 / 128704 / sa920 504181Stock Number216226 MLS Number9003007CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton Rear Thru Shaft Housing DS404/DS405 DD404/DD405, Part # 127487 $300 USD GOOD USED REAR THRU SHAFT HOUSING/DS404/DS405,DD404 DD405, Serial#: NA, Casting#: 127487 ConditionUsedPart Number127487Stock Number127487 MLS Number14113766CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 3.08 Gearset, Part # 513386 211464 $175 USD DS404 3.08 USED GEARSET, Serial#: 513386USED, Core Charge: N/A, Casting#: 513386USED ConditionUsedPart Number513386 211464Stock Number513386 USED MLS Number11156741CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Helical Gear Bushing, Part # 129371 920090 $48.60 USD HELICAL GEAR BUSHING DS 404 AND OTHER MODELS, Serial#: 129371, Core Charge: N/A, Casting#: 129371 ConditionNewPart Number129371 920090Stock Number129371 MLS Number11293331CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404/DSP40 3.08 Front Gear Set, Part # 513386 $263.20 USD ds404 dsp 40 3.08 front gear set, Serial#: 513386, Core Charge: N/A, Casting#: 513386 ConditionNewPart Number513386Stock Number513386 MLS Number11046002CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton Breather and Tube Kit for DS404 and RS404, Part # 507162 $18.85 USD BREATHER AND TUBE KIT FOR DS404 AND RS404 AND OTHER EATON MODELS, Serial#: 507162, Core Charge: N/A, Casting#: 507162 ConditionNewPart Number507162Stock Number507162 MLS Number11224488CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 5.57 Gearset, Part # 211475 513375 511283 $352.69 USD DS404 5.57 GEARSET, Serial#: 513375, Core Charge: N/A, Casting#: 513375 ConditionNewPart Number211475 513375 511283Stock Number513375 MLS Number11873955CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 3.70 Gearset, Serial # 513382 $165 USD USED DS404 3.70 GEARSET, Serial#: 513382 USED, Core Charge: N/A, Casting#: 513382 USED ConditionUsedPart Number513382Stock Number513382 USED MLS Number11078280CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404/DSP40 Gearset 3.25, Serial # 513385 $297 USD DS 404 DSP 40 AND OTHER VARIOUS MODELS GEARSET 3.25, Serial#: 513385, Core Charge: N/A, Casting#: 513385 ConditionNewPart Number513385Stock Number513385 MLS Number10619908CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 3 Gear Power Divider Kit fits DS404/DSP40/DSP41 before 08, Serial # PD404 $384.66 USD 3 GEAR POWER DIVIDER KIT fits DS404 DSP40,41 before 08, Serial#: PD404, Core Charge: N/A, Casting#: PD404 Quantity5ConditionNewPart Numberpd404 eards404pd S-17113 504404-1Stock Numberpd404 MLS Number9003622CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Lockout Clutch, Part # 127510 $55.80 USD LOCKOUT CLUTCH, Serial#: 127510, Core Charge: n/a, Casting#: 127510 ConditionNewPart Number127510Stock Number127510 MLS Number9003313CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 5.29 Gearset, Serial # 513376 $165 USD USED DS404 5.29 GEARSET, Serial#: 513376, Core Charge: N/A, Casting#: 513376 ConditionUsedPart Number513376 211474Stock Number513376 USED MLS Number11078279CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Gearset 3.90 Ratio, Part # 211469 513381 $100 USD DS404 GEARSET USED 3.90, Serial#: 211469, Core Charge: N/A, Casting#: 211469 ConditionUsedPart Number211469 513381Stock Number211469 USED MLS Number10390731CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 IAD Lockout, Part # 507494 $72.52 USD IAD LOCK OUT EARLY DS404, Serial#: 507494, Core Charge: N/A, Casting#: 507494 ConditionNewPart Number507494Stock Number507494 MLS Number13218341CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Slotted Pinion Nut, Part # SA135 126182 $15.95 USD slotted pinion nut, Serial#: 126182, Core Charge: N/A, Casting#: 126182 Quantity25ConditionNewPart NumberSA135 126182Stock Number126182 MLS Number9003157CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 3.90 Gearset, Part # 513381 211468 $175 USD DS404 USED GEARSET 3.90, Serial#: 513381, Core Charge: N/A, Casting#: 513381 ConditionUsedPart Number513381 211468Stock Number513381 USED MLS Number11612149CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Front Gearset 3.36 Ratio, Serial # 513384 $125 USD USED FRONT GEARSET DS404 3.36 RATIO, Serial#: 513384, Core Charge: NA, Casting#: 513384 ConditionUsedPart Number211466 513384Stock Number513384 USED MLS Number13103335CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Thru Shaft Cover / Rear Thru Shaft Housing, Part # 70916 $250 USD GOOD USED THRU SHAFT COVER/ REAR THRU SHAFT HOUSING, Serial#: NA, Casting#: NA ConditionUsedPart Number70916Stock Number70916 MLS Number13064935CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Bearing and Race Set Thru Shaft, Part # LM104949/JLM104910 $24.85 USD bearing and race set thru shaft various models, Serial#: lm104949/jlm104910, Core Charge: N/A, Casting#: lm104949/jlm104910 SET82 SET82.T SET 82 ConditionNewPart Numberlm104949/jlm104910Stock Numberlm104949/jlm104910 MLS Number10473251CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton Power Divider Cover DS404 DSP40, Part # 130823 $328.92 USD POWER DIVIDER COVER DS404 DSP40, Serial#: 130823, Core Charge: N/A, Casting#: 130823 ConditionNewPart Number130823Stock Number130823 MLS Number12793110CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton IAD for DSP40 DS404, Part # 128634 134192 129771 $130.89 USD IAD FOR DSP 40 DS404, Serial#: 128634, Core Charge: N/A, Casting#: 128634 ConditionNewPart Number128634 134192 129771Stock Number128634 MLS Number11994130CategoryDifferential Misc. Parts Last Updated4/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Pinion Nut Roll Pin, Part # 118807 $1.35 USD PINION NUT ROLL PIN FOR DS404 AND OTHER MODELS, Serial#: 118807, Core Charge: N/A, Casting#: 118807 ConditionNewPart Number118807Stock Number118807 MLS Number11411527CategoryDifferential Misc. Parts Last Updated4/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Thin Mounting Flange Bolt Kit $79.73 USD DS404 THIN MOUNTING FLANGE BOLT KIT, Serial#: 511600, Core Charge: N/A, Casting#: 511600 ConditionNewPart Number511600 EAT511600Stock Number511600 MLS Number11293333CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Front Gear Set 4.63, Serial # 513378 $185 USD DS404 FRONT GEAR SET USED 4.63, Serial#: 513378, Core Charge: N/A, Casting#: 513378 ConditionUsedPart Number513378 211472Stock Number513378 USED MLS Number11205812CategoryDifferential Misc. Parts Last Updated4/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Thru Shaft Snap Rings, Part # 129594 $4.19 USD 404 THRU SHAFT SNAP RINGS, Serial#: 129594 EE28290 127538, Core Charge: N/A, Casting#: 129594 EE28290 127538 ConditionNewPart Number129594Stock Number129594 MLS Number10498580CategoryDifferential Misc. Parts Last Updated4/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info