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Eaton RSP40 Axles & Differentials For Sale

Browse Eaton RSP40 Axles & Differentials on MyLittleSalesman.com and compare listings with prices from $42 to $1,850. Sellers include Rydemore Heavy Duty Truck Parts, Garabedian Equipment, Holst Truck Parts, and more. Filter by condition, price, or year to quickly narrow down to the right Eaton RSP40.
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   Axle Assemblies, Rear (3)    Axle Housings, Front (1)    Axle Housings, Rear (77)    Axle Shafts (20)    Differential Misc. Parts (8)    Differentials, Front (1)    Differentials, Rear (374)
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Showing 1 - 25 of 484 Listings

1 - 25 of 484 listings
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Eaton RSP40 Rear Axle Housing for a Kenworth T680

2016 Eaton RSP40 Rear Axle Housing for a Kenworth T680

Recently Updated
$1,350 USD
Refurbished Eaton RSP40 Rear Axle Housing w/ Torque Rod Bracket, 16 Hole Flange, 53.5" Inner Flange To Inner Flange. P/N 321318
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T680
Stock NumberUPS-277192-20-REF
MLS Number14140762
CategoryAxle Housings, Rear
Last Updated8/26/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Eaton RSP40 Rear Differential

Eaton RSP40 Rear Differential

Recently Updated
$1,295 USD
REBUILT RSP40 3.55. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62584, Core Charge: EXCHANGE, Ratio: 3.55
ConditionRemanufactured
Rear End3.55 ratio
Part Number62584
Stock Number62584
MLS Number14520753
CategoryDifferentials, Rear
Last Updated8/26/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Eaton RSP40 Rear Differential for a Peterbilt 384

2013 Eaton RSP40 Rear Differential for a Peterbilt 384

Contact for price
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 Updated8/19/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
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