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Condition: Used
Stock Number: 40126-2
Serial Number: 1XKYD49XXNJ486689
Description: RSP40 3.08 RATIO USED T.O, WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY.
Mileage: 573K
Updated: Thursday, April 16, 2026 11:41 AM
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: Used
Stock Number: 176405-5
Description: ABS
Updated: Tuesday, March 17, 2026 09:22 AM
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 176405-4
Description: ABS
Updated: Tuesday, March 17, 2026 09:22 AM
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 119285-4
Description: ABS
Updated: Tuesday, March 17, 2026 09:22 AM
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 852050-4
Description: .
Updated: Tuesday, March 17, 2026 09:22 AM
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 236958-4
Description: -
Updated: Tuesday, March 17, 2026 09:22 AM
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 30926-4
Serial Number: 063501
Description: RSP40 3.55 RATIO, USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRNTY
Mileage: GET
Updated: Thursday, April 16, 2026 11:41 AM
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: Used
Stock Number: 388049-2
Description: ABS
Updated: Tuesday, March 17, 2026 09:22 AM
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 045827-4
Description: -
Updated: Tuesday, March 17, 2026 09:22 AM
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: New
Stock Number: 504056
Serial Number: ?
Description: GEARSET 3.42 DS404 DSP40 AND OTHER VARIOUS MODELS
Updated: Thursday, April 16, 2026 11:41 AM
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: Used
Stock Number: 504056 USED
Serial Number: ................
Description: DSP40 3.42 USED GEAR SET.
Updated: Thursday, April 16, 2026 11:41 AM
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: Used
Stock Number: 513385 USED
Serial Number: ?
Description: DS404 GEARSET 3.25
Updated: Thursday, April 16, 2026 11:41 AM
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: New
Stock Number: 127591
Serial Number: DT7591
Description: INPUT SEAL DS AND RS 404 AND 40 MODELS
Updated: Thursday, April 16, 2026 11:41 AM
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: New
Stock Number: dt7592
Description: thru shaft seal DSP AND 404 MODELS
Updated: Thursday, April 16, 2026 11:41 AM
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: New
Stock Number: 210184
Description: jam nut
Updated: Thursday, April 16, 2026 11:41 AM
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: Used
Stock Number: 522387-4
Description: -
Updated: Tuesday, March 17, 2026 09:22 AM
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: New
Stock Number: 2338
Description: Detailed_description: Brand new OEM Eaton Spicer DSP40 Front Rear Differential
Condition: BRAND NEW OEM not a reman unit
Model: DSP40
Ratio: 3.70
...
Updated: Wednesday, April 01, 2026 11:42 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 2336
Description: Detailed_description: Brand new OEM Eaton Spicer DSP40 Front Rear Differential
Condition: BRAND NEW OEM not a reman unit
Model: DSP40
Ratio: 3.36
...
Updated: Wednesday, April 01, 2026 11:42 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 2337
Description: Detailed_description: Brand new OEM Eaton Spicer DSP40 Front Rear Differential
Condition: BRAND NEW OEM not a reman unit
Model: DSP40
Ratio: 3.55
...
Updated: Wednesday, April 01, 2026 11:42 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 2339
Description: Detailed_description: Brand new OEM Eaton Spicer DSP40 Front Rear Differential
Condition: BRAND NEW OEM not a reman unit
Model: DSP40
Ratio: 3.90
...
Updated: Wednesday, April 01, 2026 11:42 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 1162
Serial Number: 3.42 Ratio
Description: Detailed_description: Eaton/Spicer DSP40
Front/Rear Reman Differential Assembly
Ratio -3.42
**All Reman Differentials come with a 1 year warranty**...
Updated: Wednesday, April 01, 2026 11:40 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 1158
Serial Number: 2.64 Ratio
Description: Detailed_description: Eaton/Spicer DSP40
Front/Rear Reman Differential Assembly
Ratio -2.64
**All Reman Differentials come with a 1 year warranty**...
Updated: Wednesday, April 01, 2026 11:40 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 1157
Serial Number: 2.93 Ratio
Description: Detailed_description: Eaton/Spicer DS404
Front/Rear Reman Differential Assembly
Ratio -2.93
**All Reman Differentials come with a 1 year warranty**...
Updated: Wednesday, April 01, 2026 11:40 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 1155
Serial Number: 3.55 Ratio
Description: Detailed_description: Eaton/Spicer DS404
Front/Rear Reman Differential Assembly
Ratio -3.55
**All Reman Differentials come with a 1 year warranty**...
Updated: Wednesday, April 01, 2026 11:40 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 1154
Serial Number: Ratio 3.55
Description: Detailed_description: Eaton/Spicer DSP40
Front/Rear Reman Differential Assembly
Ratio -3.55
**All Reman Differentials come with a 1 year warranty**...
Updated: Wednesday, April 01, 2026 11:40 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 1151
Serial Number: Ratio 3.90
Description: Detailed_description: Eaton/Spicer DSP40
Front/Rear Reman Differential Assembly
Ratio -3.90
**All Reman Differentials come with a 1 year warranty**...
Updated: Wednesday, April 01, 2026 11:40 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: New
Stock Number: 792
Description: Detailed_description: DSP40 REMAN
FRONT/REAR DIFFERIANTIAL
RATIOS-2.64/3.36/3.55/3.56/3.70/3.90/4.88
And More
**All Reman Differentials come with ...
Updated: Wednesday, April 01, 2026 11:40 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS
Condition: Used
Stock Number: 1166
Serial Number: 4.88 Ratio
Description: Detailed_description: Eaton/Spicer DSP40
Front/Rear Takeout Differential Assembly
Ratio -4.88
**All Takeout Differentials come with a 30 day warran...
Updated: Wednesday, April 01, 2026 11:40 PM
Location: Jackson, Georgia, USA
Seller: HD TRUCK REPAIR & PARTS