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

Newly Listed

$1,095 USD

40-14X 2.85 RATIO LOW MILE WILL INSPECT IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	71525-4
MLS Number	13727252
Category	Differentials, Front
Last Updated	7/30/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Meritor-Rockwell RT40-160 Front Differential for a 2015 Peterbilt 579

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MILES 562802, Ratio: 373

Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Stock Number	284918-4
MLS Number	13682934
Category	Differentials, Front
Last Updated	7/3/2025
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell RDL23-160 Front Differential for a 2019 Peterbilt 579

$2,300 USD

GOOD USED, Core Charge: 1500, Ratio: 3.58

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Will Fit Year(s)	2019
Stock Number	2A1E56435
MLS Number	13602985
Category	Differentials, Front
Last Updated	6/20/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

(844) 503-___ SHOW
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Meritor-Rockwell MT40-14X Front Differential for a 2017 Peterbilt 579

$1,150 USD

40-14X 2.64 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.64

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Part Number	40-14X
Stock Number	51925-3
MLS Number	13634619
Category	Differentials, Front
Last Updated	6/10/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Meritor-Rockwell MP2014X Front Differential for a 2014 Peterbilt 579

$850 USD

MP2014X - 3.42 Ratio - Pullout - DIFF ONLY, HOUSING SOLD SEPARATELY., Axle Spline Count: 41, Ratio: 3.42

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2014
Stock Number	1817-3
MLS Number	13218419
Category	Differentials, Front
Last Updated	5/13/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
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Meritor-Rockwell MD2014X Front Differential for a 2017 Peterbilt 579

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Ratio: 2.64

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Will Fit Year(s)	2017
Stock Number	2A1E56281
MLS Number	13487816
Category	Differentials, Front
Last Updated	3/30/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

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Meritor-Rockwell MT40-14X Front Differential for a 2017 Peterbilt 579

$1,295 USD

40-14X 3.08 GOOD INSPECTED TAKEOUT, 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 400, Ratio: 3.08

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Stock Number	70924-1
MLS Number	12988095
Category	Differentials, Front
Last Updated	7/19/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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

$1,695 USD

40-14X 2.85, 151K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	62424-3
MLS Number	12957110
Category	Differentials, Front
Last Updated	6/27/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Meritor-Rockwell MR2014X Front Differential for a 2023 Peterbilt 579

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2023 Meritor Rockwell MR20-14T Rear Rear Differential Assembly 2.79 Ratio - Capacity: 20,000 lbs. - Used - May have some cosmetic blemishes (see photos). Got questions or need more...

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	PT-0837-6
MLS Number	12738559
Category	Differentials, Front
Last Updated	5/4/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

(833) 835-___ SHOW
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Meritor-Rockwell MT40-14X Front Differential for a 2019 Peterbilt 579

$1,295 USD

40-14X 3.08 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 400.00, Ratio: 3.08

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Part Number	40-14X
Stock Number	40824-2
MLS Number	12779282
Category	Differentials, Front
Last Updated	1/8/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Meritor-Rockwell Front Differential for a 2019 Peterbilt 579

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(Used) 2019 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Make: Meritor/Rockwell, Model: MV2014P3DFRNN13-264, Serial Number: FORO5147366, Part Number: C7-1A01A2000C92H20, Ratio: 2.64, Hub Bolts...

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Part Number	C7-1A01A2000C92H20
Stock Number	P-47040
MLS Number	12029360
Category	Differentials, Front
Last Updated	12/18/2023
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 2017 Peterbilt 579

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(Used) 2017 Peterbilt 579, FRONT DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: MT4014X, Ratio: 3.08, Capacity: 20,000 Lbs, Part Number: C05-2E01028HK00308 Serial Number: FOR04051498,...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Part Number	C05-2E01028HK00308
Stock Number	P-46016
MLS Number	12013596
Category	Differentials, Front
Last Updated	12/18/2023
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 2017 Peterbilt 579

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(Used) 2017 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Make: Meritor, Model: MT4014X, Ratio: 3.08, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake Type: Drum, Serial Number: FOR04051498, For...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Stock Number	P-46010
MLS Number	12013589
Category	Differentials, Front
Last Updated	12/18/2023
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 2020 Peterbilt 579

$1,495 USD

40-14X 2.85 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Stock Number	90722-8
MLS Number	11607572
Category	Differentials, Front
Last Updated	12/18/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
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Meritor-Rockwell Front Differential for a 2017 Peterbilt 579

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MODEL C876002, Ratio: 285

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Stock Number	450847-3
MLS Number	10869655
Category	Differentials, Front
Last Updated	5/11/2023
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

(855) 980-___ SHOW
NUMBERCall Seller

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