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 Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton D404/405 Thrust Washer, Part # 127386 / 27827 $1.98 USD thrust washer ConditionNewPart Number127386 / 27827Stock Number127386 MLS Number9003153CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS402 Piston O-Ring, Part # 210180 S-14008 $5.95 USD piston o ring ConditionNewPart Number210180 s-14008Stock Number210180 MLS Number9003093CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS402 Slotted Pinion Nut, Part # 118806R $17.95 USD slotted pinion nut ConditionNewPart Number118806rStock Number118806 MLS Number9003092CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS402 Input Nut, Part # 128049 47637 SA794 22540 3918819 $9.90 USD nut input Quantity25ConditionNewPart Number128049 47637 sa794 22540 3918819Stock Number128049 MLS Number9003090CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS402 Thru Shaft O-Ring, Part # 46526 $1.20 USD thru shaft o ring ConditionNewPart Number46526Stock Number46526 MLS Number9003089CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS402 Snap Ring $1.20 USD snap ring Quantity25ConditionNewStock Number85994 MLS Number9003088CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS341/402 Input Cone, Part # JM511946 $39.94 USD input cone Quantity9ConditionNewPart Numberjm511946Stock Numberjm511946 MLS Number9003076CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton DS404 Lock Out Fork, Part # 510870 / EAR510870 S22189 960176 $57.66 USD DS404 lock out fork. Quantity6ConditionNewPart Number510870 / ear510870 S22189 960176Stock Number510870 MLS Number9003062CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404/DSP40-41 Output Side Gear, Part # 132443, Fits 08-UP $58.50 USD DS404 DSP40,41 o/p side gear fits 08 up Quantity6ConditionNewPart Number132443Stock Number132443 MLS Number9003061CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 Manifold Kit Nonpump, Part # 513880 $84.65 USD DS404 manifold kit nonpump Quantity4ConditionNewPart Number513880Stock Number513880 MLS Number9003060CategoryDifferential Misc. Parts Last Updated5/14/2026 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 Kit, Serial # DRK404F $378 USD DS404 bearing kit, Serial#: DRK404F, Core Charge: N/A, Casting#: DRK404F Quantity7ConditionNewPart Numberdrk404fmk fdrk404fmkStock Numberdrk404f MLS Number9003059CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 404 Rear Differential Bearing Kit with Thrust Washers, Part # DRK404R $320.18 USD bearing kit rear diff w/thrust washers, Serial#: DRK404R, Core Charge: N/A, Casting#: DRK404R Quantity7ConditionNewPart Numberdrk404rmk DRK404R RA404RStock Numberdrk404r MLS Number9003057CategoryDifferential Misc. Parts Last Updated7/10/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS404 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 Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS402 Bearing, Part # 29675 110812 $32.72 USD bearing Quantity10ConditionNewPart Number29675 110812Stock Number29675 MLS Number9002969CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Eaton DS402 Bearing Thru Shaft, Part # MA1209EL, Serial # 46584 $48.37 USD bearing thru shaft, Serial#: 46584, Core Charge: N/A, Casting#: 46584 Quantity10ConditionNewPart Numberma1209el F19121 19121 46584 046584 MA1209TVStock Numberma1209el MLS Number9002953CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 404 DS Gearset 4.33, Part # 513379 / 211471 $335.84 USD DS gearset 4.33 ConditionNewPart Number513379 / 211471Stock Number513379 MLS Number9002851CategoryDifferential Misc. Parts Last Updated5/14/2026 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 4.11, Part # 513380 / 211470 $356.27 USD DS 404, DSP40 gearset 4.11 Quantity3ConditionNewPart Number513380 / 211470Stock Number513380 MLS Number9002849CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 3.90 Ratio Gear Set fits RS344/RS404 19-22065S, Part # 513368 / 211485 $325 USD 3.90 ratio gear set fits RS344 RS404 19-22065S Quantity2ConditionNewPart Number513368 / 211485Stock Number513368 MLS Number9002848CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Gearset 3.70, Part # 513369 / 211484 SA981 $330 USD RS404 gearset 3.70, Serial#: 211484, Core Charge: N/A, Casting#: 211484 Quantity3ConditionNewPart Number513369 / 211484 SA981Stock Number513369 MLS Number9002846CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 404 DS Gearset 3.70, Part # 513382 / 211468 SA977 S-A977 $325 USD DS gearset 3.70 Quantity3ConditionNewPart Number513382/ 211468 SA977 S-A977Stock Number513382 MLS Number9002845CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS 404 Gearset 3.55, Part # 513370 / 211483 $408.86 USD RS 404 gearset 3.55 Quantity3ConditionNewPart Number513370 / 211483Stock Number513370 MLS Number9002844CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Eaton DS404/DSP40 Gearset 3.55, Part # 513383 / 211467 / SA976 $368.10 USD DS 404, DSP40 gearset 3.55 ConditionNewPart Number513383 / 211467 / sa976 M12513383Stock Number513383 MLS Number9002843CategoryDifferential Misc. Parts Last Updated6/17/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS 404 Gearset 3.36, Part # 513371 / 211482 $371 USD RS 404 gearset 3.36 ConditionNewPart Number513371 / 211482Stock Number513371 MLS Number9002842CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 3.36 Gear Set fits DS404/DSP40/DSP41, Part # 513384 / 211466 $363.72 USD 3.36 gear set fits DS404,DSP40,DSP41 Quantity5ConditionNewPart Number513384 / 211466Stock Number513384 MLS Number9002841CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info