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Truck Axles & Differentials for Sale

Find front and rear axle assemblies, differentials, axle housings, axle shafts, spindles, and related components from Meritor, Dana Spicer, Eaton, and other manufacturers. New, used, and rebuilt options available from dealers nationwide.
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Truck Parts (51325)
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Axles & Differentials (51325)
   Axle Assemblies, Front (10543)    Axle Assemblies, Rear (2555)    Axle Housings, Front (1632)    Axle Housings, Rear (7367)    Axle Housings (509)    Axle Parts (165)    Axle Shafts (1766)    Differential Cases (7)    Differential Cores (34)    Differential Misc. Parts (1666)    Differential Side Gears (1)    Differentials (Matched Sets) (2)    Differentials, Front (6527)    Differentials, Rear (13504)    Differentials, Unspecified (1282)    King Pin Sets (33)    Lift Axle Components (10)    Lift Axles & Drop Axles (86)    Spindles / Knuckles (2818)    Tag / Pusher Axles (723)
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Showing 1 - 25 of 51,325 Listings

1 - 25 of 51,325 listings
1 - 25 of 51,325 listings
Hendrickson STK125 (NXT) Front Axle Assembly for a Peterbilt 579

2023 Hendrickson STK125 (NXT) Front Axle Assembly for a Peterbilt 579

Recently Updated
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2023 Peterbilt Hendrickson STK125 (NXT) Front Axle, 12.5K Capacity, 34" Spring Centers, 4" Spring Width, 10 Hole Pilot, Air Drum Brakes, ABS. P/N- 70685-001X, S/N- AX025236008.
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)579
Stock Number4469-6
MLS Number14350514
CategoryAxle Assemblies, Front
Last Updated7/11/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
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Garabedian Equipment
Peterbilt ID PENDING Front Axle Assembly for a Peterbilt 386

2012 Peterbilt ID PENDING Front Axle Assembly for a Peterbilt 386

Recently Updated
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Eaton/ Spicer Front Axle From 2012 Peterbilt 386 Sleeper Cab, 34" Center to Center, 4" Spring Width, 10 Hole Pilot, Air Drum Brakes.
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)386
Capacity12000
Stock Number4368-4
MLS Number14137471
CategoryAxle Assemblies, Front
Last Updated7/11/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
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Detroit DA-F-12.0-3 Front Axle Assembly

2017 Detroit DA-F-12.0-3 Front Axle Assembly

Recently Updated
$850 USD
Detroit DA-F-12.0-3 Front Axle, 33" Center to Center, 4" Spring Width, 10 Hole Pilot, Air Drum Brakes. S/N- 739912-A693569 Good condition, no noticeable damage. Overall good axle
ConditionUsed
Capacity12000
Stock Number4358-4
MLS Number14123989
CategoryAxle Assemblies, Front
Last Updated7/11/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
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Axle Alliance RT40-4NR Rear Axle Housing for a Freightliner Cascadia 125

2014 Axle Alliance RT40-4NR Rear Axle Housing for a Freightliner Cascadia 125

Recently Updated
$850 USD
Axle Alliance Rear Axle Housing, RT40-4N, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS, 16 Hole Flange, 53.5" Inner Flange To Inner Flange, STD Track. P/N QA6813504230...
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 125
Stock Number1808-6
MLS Number13895876
CategoryAxle Housings, Rear
Last Updated7/11/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
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Axle Alliance RT40-4NF Front Axle Housing for a Freightliner Cascadia 125

2014 Axle Alliance RT40-4NF Front Axle Housing for a Freightliner Cascadia 125

Recently Updated
$850 USD
Axle Alliance Front Rear Axle Housing, RT40-4N, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, 16 Hole Flange, 53.5" Inner Flange To Inner Flange, STD Track. P/N QA6813504330...
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 125
Stock Number1808-5
MLS Number13895875
CategoryAxle Housings, Front
Last Updated7/11/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
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Eaton 21060-S Rear Axle Housing for a International 4300

2007 Eaton 21060-S Rear Axle Housing for a International 4300

Recently Updated
$850 USD
Good used and inspected Eaton 21060-S rear, rear axle housing. 90 day guarantee for swap or refund.
ConditionUsed
SuspensionSpring
Fits To Make(s)INTERNATIONAL
Fits To Model(s)4300
Stock Number1071320
MLS Number14305548
CategoryAxle Housings, Rear
Last Updated7/11/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Meritor-Rockwell MT40-14X Rear Differential for a 2025 International LT

Meritor-Rockwell MT40-14X Rear Differential for a 2025 International LT

Newly Listed
Contact for price
(Used) 2025 International LT, REAR DIFFERENTIAL GEARS ONLY- Part Number: 65B5E02A, Serial Number: DRA25626865, Make: Meritor, Model: MT40-14X, Ratio: 2.85, Capacity: 20,000 Lbs, Reference...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)International
Fits To Model(s)LT
Will Fit Year(s)2025
Part Number65B5E02A
Stock NumberP-508450
MLS Number14478130
CategoryDifferentials, Rear
Last Updated7/11/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell MT40-14X Rear Axle Housing for a 2025 International LT

Meritor-Rockwell MT40-14X Rear Axle Housing for a 2025 International LT

Newly Listed
Contact for price
(Used) 2025 International LT, REAR DIFFERENTIAL HOUSING ONLY- Part Number: 65B5E02A, Serial Number: DRA25626865, Make: Meritor, Model: MT40-14X, Ratio: 2.85, Capacity: 20,000 Lbs, Suspension...
ConditionUsed
Fits To Make(s)International
Fits To Model(s)LT
Will Fit Year(s)2025
Part Number65B5E02A
Stock NumberP-508448
MLS Number14478128
CategoryAxle Housings, Rear
Last Updated7/11/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell MT40-14X Rear Axle Assembly for a 2025 International LT

Meritor-Rockwell MT40-14X Rear Axle Assembly for a 2025 International LT

Newly Listed
Contact for price
(Used) 2025 International LT, COMPLETE REAR REAR TANDEM- Part Number: 65B5E02A, Serial Number: DRA25626865, Make: Meritor, Model: MT40-14X, Ratio: 2.85, Capacity: 20,000 Lbs, Hub Bolts: 10,...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)International
Fits To Model(s)LT
Will Fit Year(s)2025
Part Number65B5E02A
Stock NumberP-508446
MLS Number14478126
CategoryAxle Assemblies, Rear
Last Updated7/11/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell MT40-14X Front Differential for a 2025 International LT

Meritor-Rockwell MT40-14X Front Differential for a 2025 International LT

Newly Listed
Contact for price
(Used) 2025 International LT, FRONT DIFFERENTIAL GEARS ONLY- Part Number: 65B5E02A, Serial Number: DRA25626866, Make: Meritor, Model: MT40-14X, Ratio: 2.85, Capacity: 20,000 Lbs, Reference...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)International
Fits To Model(s)LT
Will Fit Year(s)2025
Part Number65B5E02A
Stock NumberP-508441
MLS Number14478121
CategoryDifferentials, Front
Last Updated7/11/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell MR2014X Rear Differential for a 2020 Peterbilt 389

Meritor-Rockwell MR2014X Rear Differential for a 2020 Peterbilt 389

Newly Listed
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(Used) 2020 Peterbilt 389, REAR DIFFERENTIAL GEARS ONLY- Part Number: 3200F2218, Serial Number: TBD, Make: Meritor, Model: MR2014X, Ratio: 2.64, Capacity: 20,000 Lbs, Reference images for...
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)389
Will Fit Year(s)2020
Part Number3200F2218
Stock NumberP-508440
MLS Number14478120
CategoryDifferentials, Rear
Last Updated7/11/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell MT40-14X Rear Axle Housing for a 2025 International LT

Meritor-Rockwell MT40-14X Rear Axle Housing for a 2025 International LT

Newly Listed
Contact for price
(Used) 2025 International LT, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: 65B5E02A, Serial Number: DRA25626866, Make: Meritor, Model: MT40-14X, Ratio: 2.85, Capacity: 20,000 Lbs,...
ConditionUsed
Fits To Make(s)International
Fits To Model(s)LT
Will Fit Year(s)2025
Part Number65B5E02A
Stock NumberP-508439
MLS Number14478119
CategoryAxle Housings, Rear
Last Updated7/11/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell MR2014X Rear Axle Housing for a 2020 Peterbilt 389

Meritor-Rockwell MR2014X Rear Axle Housing for a 2020 Peterbilt 389

Newly Listed
Contact for price
(Used) 2020 Peterbilt 389, REAR DIFFERENTIAL HOUSING ONLY- Part Number: TBD, Make: Meritor, Model: MR2014X, Ratio: 2.64, Capacity: 20,000 Lbs, Suspension: Air Suspension, Reference images...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)389
Will Fit Year(s)2020
Stock NumberP-508438
MLS Number14478118
CategoryAxle Housings, Rear
Last Updated7/11/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
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