View 1 Photo View 0 Videos Eaton DS404 Differential Part Recently Updated $41.60 USD Sliding Clutch 18 Teeth Quantity5ConditionNewStock NumberHME 127510 MLS Number13999885CategoryDifferential Misc. Parts Last Updated1/7/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $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 Updated12/24/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $462 USD Hypoid Ring and Pinion gear set, 3.55 Ratio, DS/344/404/405/454/DSP40/41Front Rear, 11 Pinion gear teeth, 39 ring gear teeth 15.4 inch ring gear O.D ConditionNewStock Number513383 MLS Number13999877CategoryDifferential Misc. Parts Last Updated12/19/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $385 USD Diff case/ ring gear carrier, ratio 4.11 to 4.88 DS/RS 404 ConditionNewStock Number508655 MLS Number13999874CategoryDifferential Misc. Parts Last Updated12/16/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $41.58 USD Input shaft seal, forward. Quantity2ConditionNewStock NumberAS7000 MLS Number13999913CategoryDifferential Misc. Parts Last Updated11/25/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $423.50 USD World American PD404. DS404 Power divider Kit, Replaces OE 504404-1 Quantity3ConditionNewStock NumberPD404 MLS Number13999899CategoryDifferential Misc. Parts Last Updated11/27/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $52.51 USD Power Divider Fork, DS/DD344/404/405/454 Quantity3ConditionNewStock NumberHME 129783 MLS Number13999888CategoryDifferential Misc. Parts Last Updated11/25/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $154 USD Helical gear and bushing assembly DS404, replaces 130907 Quantity3ConditionNewStock NumberHME 127495 MLS Number13999884CategoryDifferential Misc. Parts Last Updated11/25/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $308.15 USD Hypoid Ring and Pinion gear set. 3.36 Ratio, 11 Teeth Pinion, 36 Teeth Ring gear 15.4 inch Ring Gear O.D.Pinion OEM # 132234, Ring gear OEM # 132304, DS404 Front Rear. ConditionNewStock Number513384 MLS Number13999878CategoryDifferential Misc. Parts Last Updated11/27/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $277.20 USD Internal Diff wheel gear kit. 41 Spline, Eaton DS/RS404 Quantity3ConditionNewStock Number216229 MLS Number13999871CategoryDifferential Misc. Parts Last Updated11/25/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $89.32 USD Differential output side gear, without pump DSP401, DS404 and Some 405, 14 teeth, 39 spline. ConditionNewStock Number132443 MLS Number13999868CategoryDifferential Misc. Parts Last Updated11/25/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $7.92 USD O-Ring, Air lockout piston (DS404) Quantity10ConditionNewStock Number210180 MLS Number13999825CategoryDifferential Misc. Parts Last Updated11/25/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $6.16 USD Shim-Pinion cage, .005 (DS404) Quantity6ConditionNewStock Number127596 MLS Number13999822CategoryDifferential Misc. Parts Last Updated11/25/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $273.25 USD Eaton DS404 Replacement Input Shaft Kit, (RSP40) Quantity2ConditionNewStock NumberHME 504181 MLS Number13431819CategoryDifferential Misc. Parts Last Updated11/20/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $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 Updated11/14/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $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 Updated11/4/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $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 Updated9/20/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $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 Updated8/1/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $143 USD input shaft kit Quantity2ConditionNewPart Number510593 / 216226 / 128704 / sa920 504181Stock Number216226 MLS Number9003007CategoryDifferential Misc. Parts Last Updated12/16/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $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 Updated3/1/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $55.80 USD LOCKOUT CLUTCH, Serial#: 127510, Core Charge: n/a, Casting#: 127510 ConditionNewPart Number127510Stock Number127510 MLS Number9003313CategoryDifferential Misc. Parts Last Updated1/17/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $72.52 USD IAD LOCK OUT EARLY DS404, Serial#: 507494, Core Charge: N/A, Casting#: 507494 ConditionNewPart Number507494Stock Number507494 MLS Number13218341CategoryDifferential Misc. Parts Last Updated11/7/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $15.95 USD slotted pinion nut, Serial#: 126182, Core Charge: N/A, Casting#: 126182 Quantity25ConditionNewPart NumberSA135 126182Stock Number126182 MLS Number9003157CategoryDifferential Misc. Parts Last Updated10/26/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $24.85 USD bearing and race set thru shaft various models, Serial#: lm104949/jlm104910, Core Charge: N/A, Casting#: lm104949/jlm104910 SET82 SET82.T ConditionNewPart Numberlm104949/jlm104910Stock Numberlm104949/jlm104910 MLS Number10473251CategoryDifferential Misc. Parts Last Updated7/19/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Differential Part $328.92 USD POWER DIVIDER COVER DS404 DSP40, Serial#: 130823, Core Charge: N/A, Casting#: 130823 ConditionNewPart Number130823Stock Number130823 MLS Number12793110CategoryDifferential Misc. Parts Last Updated4/23/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info