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Axles & Differentials (884)
   Axle Assemblies, Front (281)    Axle Assemblies, Rear (28)    Axle Housings, Front (31)    Axle Housings, Rear (195)    Axle Shafts (13)    Differential Cores (2)    Differentials, Front (105)    Differentials, Rear (189)    Spindles / Knuckles (40)
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Showing 526 - 550 of 884 Listings

526 - 550 of 884 listings
526 - 550 of 884 listings
Meritor-Rockwell RS21160 Rear Axle Housing for a Peterbilt 579

2016 Meritor-Rockwell RS21160 Rear Axle Housing for a Peterbilt 579

$950 USD
Meritor Rear Axle Housing, RS21160, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N RS21160NFNN449342, C223121Z1872, S/N FOR03625831. Removed From 2016 Reyco Air Suspension....
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)579
Stock Number1812-4
MLS Number13895926
CategoryAxle Housings, Rear
Last Updated5/19/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Meritor-Rockwell 20-14X Rear Axle Housing for a 2017 Peterbilt 579

Meritor-Rockwell 20-14X Rear Axle Housing for a 2017 Peterbilt 579

$1,495 USD
USED REAR AXLE HOUSING, AG400L SUSPENSION, 20-14X, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: AG400L, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Stock Number51925-14
MLS Number13634635
CategoryAxle Housings, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Meritor-Rockwell MT-40-14X Front Axle Housing for a 2017 Peterbilt 579

Meritor-Rockwell MT-40-14X Front Axle Housing for a 2017 Peterbilt 579

$1,495 USD
USED FRONT AXLE HOUSING, AG400L SUSPENSION, 40-14X, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: AG400L, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Stock Number51925-13
MLS Number13634634
CategoryAxle Housings, Front
Last Updated6/27/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Dana-Spicer D40-155 Rear Axle Housing for a 2020 Peterbilt 579

Dana-Spicer D40-155 Rear Axle Housing for a 2020 Peterbilt 579

$1,895 USD
USED REAR AXLE HOUSING, FLEXAIR SUSPENSION, D40-155, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: FLEXAIR, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2020
Stock Number21325-6
MLS Number13405399
CategoryAxle Housings, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Eaton RSH40 Rear Differential for a 2021 Peterbilt 579

Eaton RSH40 Rear Differential for a 2021 Peterbilt 579

$895 USD
RSH40 3.55 TAKEOUT WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Axle Spline Count: 41, Core Charge: 250.00, Ratio: 3.55
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2021
Stock Number12025-4
MLS Number13378535
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Eaton RSP40 Rear Differential for a 2016 Peterbilt 579

Eaton RSP40 Rear Differential for a 2016 Peterbilt 579

$795 USD
RSP40 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 350.00, Ratio: 3.55
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part NumberNA
Stock Number81224-2
MLS Number13068923
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Meritor-Rockwell MT-40-14X Front Axle Housing for a 2017 Peterbilt 579

Meritor-Rockwell MT-40-14X Front Axle Housing for a 2017 Peterbilt 579

$1,495 USD
GOOD USED FLEX AIR HOUSING ASSEMBLY/ DRUM BRAKE/ MERITOR 40-14X, Serial#: NA, Hub Bolts: 10, Suspension: FLEX AIR/AG380, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Stock Number70924-11
MLS Number12988105
CategoryAxle Housings, Front
Last Updated8/1/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Meritor-Rockwell 20-14X Rear Axle Housing for a 2023 Peterbilt 579

Meritor-Rockwell 20-14X Rear Axle Housing for a 2023 Peterbilt 579

$1,695 USD
USED REAR AXLE HOUSING, AG380 FLEX AIR SUSPENSION, 20-14X, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: AG380 FLEX AIR, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2023
Stock Number62424-6
MLS Number12957113
CategoryAxle Housings, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Meritor-Rockwell MT40-14X Front Axle Housing for a 2023 Peterbilt 579

Meritor-Rockwell MT40-14X Front Axle Housing for a 2023 Peterbilt 579

$1,695 USD
USED FRONT AXLE HOUSING, AG380 FLEX AIR SUSPENSION, 40-14X, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: AG380 FLEX AIR, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2023
Stock Number62424-5
MLS Number12957112
CategoryAxle Housings, Front
Last Updated6/18/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Dana-Spicer D40-155 Rear Axle Housing for a 2016 Peterbilt 579

Dana-Spicer D40-155 Rear Axle Housing for a 2016 Peterbilt 579

$1,695 USD
GOOD USED HOUSING ASSEMBLY/ BEARING SURFACES WILL BE INSPECTED, Serial#: NA, Hub Bolts: 10, Suspension: FLEX AIR, Brake Type: DISC
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part NumberNA
Stock Number22424-12
MLS Number12707329
CategoryAxle Housings, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Dana-Spicer D40-155 Front Differential for a 2016 Peterbilt 579

Dana-Spicer D40-155 Front Differential for a 2016 Peterbilt 579

$2,750 USD
D40-155 2.79 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Core Charge: 500.00, Ratio: 2.79, Clutch Housing Size: 1, Casting#: NA
ConditionUsed
Rear End2.79 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part NumberD40-155
Stock Number22424-2
MLS Number12707319
CategoryDifferentials, Front
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Dana-Spicer D40-155 Rear Axle Housing for a 2019 Peterbilt 579

Dana-Spicer D40-155 Rear Axle Housing for a 2019 Peterbilt 579

$2,250 USD
REAR AXLE HOUSING D40-155 RR, AG380 FLEXAIR SUSPENSION, DISC BRAKES, Hub Bolts: 10 PILOT, Suspension: AG380 FLEX AIR, Brake Type: DISC
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2019
Stock Number12024-6
MLS Number12588812
CategoryAxle Housings, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
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