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Eaton RSP40 Axles & Differentials For Sale

Shop new, used, and remanufactured Eaton RSP40 Axles & Differentials on MyLittleSalesman.com . Compare active listings with prices from $42 to $1,850. Sellers include Vander Haag's, Garabedian Equipment, and Holst Truck Parts. Filter by condition, price, or year to find the Eaton RSP40 that fits your job.
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   Axle Assemblies, Rear (3)    Axle Housings, Front (1)    Axle Housings, Rear (107)    Axle Shafts (18)    Differential Misc. Parts (9)    Differentials, Front (2)    Differentials, Rear (476)
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Showing 1 - 25 of 616 Listings

1 - 25 of 616 listings
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Eaton RSP40 Rear Differential

Eaton RSP40 Rear Differential

$995 USD
RECON RSP40 4.33. 1ST 6 MONTH PARTS AND LABOR WARRANTY. LAST6 MONTH PARTS ONLY WARRANTY . EXTENDED WARRANTY AVIALABLE, Axle Spline Count: 41, Serial#: 14661, Core Charge: EXCHANGE, Ratio:...
ConditionRemanufactured
Rear End4.33 ratio
Part Number14661
Stock Number14661
MLS Number13064990
CategoryDifferentials, Rear
Last Updated6/16/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Eaton RSP40 Rear Axle Housing for a Kenworth T680

2016 Eaton RSP40 Rear Axle Housing for a Kenworth T680

$1,350 USD
Refurbished Eaton RSP40 Rear Axle Housing, 16 Hole Flange, 53.5" Inner Flange To Inner Flange, P/N 321318. Removed From 2016 Kenworth AG400L Suspension.
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T680
Stock NumberUPS-277298-20-REF
MLS Number14140798
CategoryAxle Housings, Rear
Last Updated6/3/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Eaton RSP40 Rear Differential for a Peterbilt 384

2013 Eaton RSP40 Rear Differential for a Peterbilt 384

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RSP40 - Rear Rear - 4.11 Ratio - used - Grade C - rebuildable - DIFF ONLY. p/n 511332, Bad gear set, missing ring gear bolts, ring gear teeth are chipped, case looks good.
ConditionUsed
Rear End4.11 ratio
Fits To Make(s)PETERBILT
Fits To Model(s)384
Stock Number4424-3
MLS Number14305904
CategoryDifferentials, Rear
Last Updated5/28/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
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