Peterbilt 579 Axles &amp; Differentials For Sale

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2023 Peterbilt 579 Front Axle Assembly

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GOOD KING PINS, Hub Bolts: PILOT, Brake Type: ABS, Axle Make: MERITOR, Axle Model: MFS-12E

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	896581-3
MLS Number	14222105
Category	Axle Assemblies, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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2015 Peterbilt 579 Front Axle Assembly

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GOOD KING PIN'S, Hub Bolts: PILOT, Brake Type: ABS, Axle Make: MERITOR, Axle Model: MFS-12-143

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Stock Number	284918-3
MLS Number	13682933
Category	Axle Assemblies, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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2013 Peterbilt 579 Front Axle Assembly

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TAG MISSING GOOD KING PINS, Hub Bolts: PILOT, Brake Type: ABS, Axle Make: SPICER, Axle Model: N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2013
Stock Number	237064-3
MLS Number	12560492
Category	Axle Assemblies, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

(855) 794-___ SHOW
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2014 Peterbilt 579 Rear Differential

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RSP40 - Rear Rear - 3.42 Ratio - Pullout - DIFF ONLY.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	4462-3
MLS Number	14319957
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2016 Peterbilt 579 Front Axle Assembly

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$1,000 USD

Front Axle Beam, Good Condition. Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	79366
MLS Number	14108347
Category	Axle Assemblies, Front
Last Updated	5/14/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2016 Peterbilt 579 Spindle

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$450 USD

Steering Knuckle, Price Per Side, Good Condition. Call DTI Trucks for more information and a shipping quote.

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	79365
MLS Number	14108346
Category	Spindles / Knuckles
Last Updated	5/14/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2016 Peterbilt 579 Rear Differential

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$750 USD

Complete Rear Diff/Third Member (Gear Ratio), Good Condition, Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	79364
MLS Number	14108345
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2016 Peterbilt 579 Rear Axle Assembly

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$1,500 USD

Complete rear axle, Hub To Hub, Ten Lug With (brake Type), With (Gear Ratio), Good Condition, Call DTI Trucks for More Information and for Shipping Quotes.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	79363
MLS Number	14108344
Category	Axle Assemblies, Rear
Last Updated	5/14/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2022 Peterbilt 579 Front Axle Assembly

$3,100 USD

(Used) 2022 Peterbilt 579, COMPLETE FRONT AXLE- Part Number: B05-6043-0CA 100000, Serial Number: MON04558224, Make: Meritor/Rockwell, Model: MFS12E122CNN4, Measurement: 34" CENTER TO CENTER...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2022
Capacity	TBD
Part Number	B05-6043-0CA 100000
Stock Number	P-73803
MLS Number	12667492
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2023 Peterbilt 579 Front Axle Assembly

$3,100 USD

(Used) 2023 Peterbilt 579, FRONT AXLE BEAM- Make: Meritor, Model: MFS12E122CNN4, Serial Number: M0M04638709, Hub Bolts: 10, Brake Type: Disc Brakes, Customer Part Number: B05-6043-0CA 100000...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Part Number	B05-6043-0CA 100000
Stock Number	P-40200
MLS Number	11885387
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2015 Peterbilt 579 Front Axle Assembly

$1,495.99 USD

(Used) 2015 Peterbilt 579, COMPLETE FRONT AXLE- Make: Spicer, Model: E-1462W, Serial Number: MY01354110, Part Number: 1462TB102, Hub Bolts: 10, Capacity: 13,221LB, For more information about...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Capacity	13,221LB
Part Number	1462TB102
Stock Number	P-19922
MLS Number	10505082
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2017 Peterbilt 579 Front Axle Assembly

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(Used) 2017 Peterbilt 579, COMPLETE FRONT AXLE- Make: Meritor, Model: MFS12E122ANN40, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake Type: Drum, For more information about this item, give us...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Capacity	12,000 lbs
Part Number	B05-6042-017000000
Stock Number	P-45991
MLS Number	12013571
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2020 Peterbilt 579 Front Axle Assembly

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(Used) 2020 Peterbilt 579, COMPLETE FRONT AXLE- Make: Meritor, Model: MFS12E122CNN14, Capacity: 12,500 Lbs, Hub Bolts: 10, Brake Type: Disc, For more information about this item, give us...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Capacity	12,500lbs
Part Number	B05-6043-0C7100000
Stock Number	P-46049
MLS Number	12013647
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2016 Peterbilt 579 Front Axle Assembly

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(Used) 2016 Peterbilt 579, COMPLETE FRONT AXLE- Make: Spicer/Dana, Model: 1202TB101, Capacity: 12,350 lbs, Hub Bolts: 10, Brake Type: Disk, For more information about this item, give us a...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Capacity	12,350
Stock Number	P-50983
MLS Number	12130147
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2016 Peterbilt 579 Left Spindle

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(Used) 2016 Peterbilt 579, SPINDLE KNUCKLE- Side: Driver Left Side, Material: Steel, Make: Spicer/Dana, Model: 1202TB101, Capacity: 12,350 lbs, Hub Bolts: 10, Brake Type: Disk, For more...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Side	LEFT
Capacity	12,350
Stock Number	P-50990
MLS Number	12130153
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2016 Peterbilt 579 Right Spindle

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(Used) 2016 Peterbilt 579, SPINDLE KNUCKLE- Side: Passenger Right Side, Material: Steel, Make: Spicer/Dana, Model: 1202TB101, Capacity: 12,350 lbs, Hub Bolts: 10, Brake Type: Disk, For more...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Side	RIGHT
Capacity	12,350
Stock Number	P-50991
MLS Number	12130155
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2017 Peterbilt 579 Front Axle Assembly

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(Used) 2017 Peterbilt 579, COMPLETE FRONT AXLE- Part Number: 10031562, Serial Number: MY01617507, Make: Spicer, Model: E-1252IL, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake Type: Drum, For...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Capacity	12,000 lbs
Part Number	10031562
Stock Number	P-55369
MLS Number	12223666
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2017 Peterbilt 579 Left Spindle

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(Used) 2017 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: 10031562, Serial Number: MY01617507, Make: Spicer, Model: E-1252IL, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake Type: Drum, ...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Side	LEFT
Capacity	12,000 lbs
Part Number	10031562
Stock Number	P-55373
MLS Number	12223669
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2017 Peterbilt 579 Right Spindle

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(Used) 2017 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: 10031562, Serial Number: MY01617507, Make: Spicer, Model: E-1252IL, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake Type: Drum, ...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Side	RIGHT
Capacity	12,000 lbs
Part Number	10031562
Stock Number	P-55374
MLS Number	12223670
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2014 Peterbilt 579 Front Axle Assembly

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(Used) 2014 Peterbilt 579, COMPLETE FRONT AXLE- Make: Meritor, Model: MFS12E122CNN14, Capacity: 12,500 Lbs, Hub Bolts: 10, Brake Type: Disc, Reference images for condition For more...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2014
Stock Number	P-87606
MLS Number	13103869
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2019 Peterbilt 579 Front Axle Assembly

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(Used) 2019 Peterbilt 579, COMPLETE FRONT AXLE- Part Number: B05-6043-0A6200000, Serial Number: M0N03627419, Make: Meritor, Model: MFS12E132BNN3, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Capacity	12,000 Lbs
Part Number	B05-6043-0A6200000
Stock Number	P-88988
MLS Number	13147261
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2019 Peterbilt 579 Left Spindle

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(Used) 2019 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: B05-6043-0A6200000, Serial Number: M0N03627419, Side: Driver Left Side, Make: Meritor, Model: MFS12E132BNN3, Capacity: 12,000...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Side	LEFT
Capacity	12,000 Lbs
Part Number	B05-6043-0A6200000
Stock Number	P-88991
MLS Number	13147264
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2019 Peterbilt 579 Right Spindle

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(Used) 2019 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: B05-6043-0A6200000, Serial Number: M0N03627419, Side: Passenger Right Side, Make: Meritor, Model: MFS12E132BNN3, Capacity:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Side	RIGHT
Capacity	12,000 Lbs
Part Number	B05-6043-0A6200000
Stock Number	P-88993
MLS Number	13147268
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2023 Peterbilt 579 Front Axle Assembly

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(Used) 2023 Peterbilt 579, COMPLETE FRONT AXLE- Part Number: B05-6043-0A8100000, Serial Number: MON04802328, Make: Meritor, Model: MFS12E132CNN5, Measurement: 34" CENTER TO CENTER LEAF,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Capacity	12,000 Lbs
Part Number	B05-6043-0A8100000
Stock Number	P-72108
MLS Number	12630506
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts