'Peterbilt 579' search results in Front Differentials For Sale

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
Rear End	3.08 ratio
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	7/18/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell MT-40-14X Front Differential for a 2023 Peterbilt 579

$1,495 USD

40-14X FRT 2.79 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 279

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	20426-3
MLS Number	14135969
Category	Differentials, Front
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell MT-40-14X Front Differential for a 2024 Peterbilt 579

$1,295 USD

GOOD LOW MILE INSPECTED TAKEOUT,90 DAY WARRANTY EXCHANGE, Serial#: NA, Core Charge: 400.00, Ratio: 3.08, Clutch Housing Size: 1

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2024
Part Number	40-14X
Stock Number	110524-6
MLS Number	13992297
Category	Differentials, Front
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell MT-40-14X Front Differential for a 2023 Peterbilt 579

$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	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell MT-40-14X 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	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell MT-40-14X 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	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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	5/15/2026
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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MILES 7072, Ratio: 279

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	896581-4
MLS Number	14222110
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain 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	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

2020 Meritor MD2014X Front Differential for a Peterbilt 579

$925 USD

(USED) Meritor MD2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220 Ref# A-3200M2431-308

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	A-3200M2431-308
Stock Number	25791608
MLS Number	13572805
Category	Differentials, Front
Last Updated	10/23/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2013 Eaton DSP40 Front Differential for a Peterbilt 579

$1,195 USD

USED EATON DSP40 FRONT REAR DIFFERENTIAL/3.36 RATIO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	72175
MLS Number	12827373
Category	Differentials, Front
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(844) 503-___ SHOW
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Eaton-Spicer DSP41 Front Differential for a 2015 Peterbilt 579

$1,500 USD

GOOD USED, Core Charge: 450, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Will Fit Year(s)	2015
Stock Number	2A1E58837
MLS Number	14509364
Category	Differentials, Front
Last Updated	7/28/2026
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

(877) 254-___ SHOW
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2017 Rockwell MD20-14X Front Differential for a Peterbilt 579

$1,250 USD

ROCKWELL MERITOR 14X FRONT REAR 2.64 RATIO

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	28477
MLS Number	14492163
Category	Differentials, Front
Last Updated	7/18/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2023 Meritor MD2014H Front Differential for a Peterbilt 579

$950 USD

(USED) Meritor MD2014H Ratio: 2.79 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	26022768
MLS Number	14454063
Category	Differentials, Front
Last Updated	6/27/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2020 Eaton D40-155 Front Differential for a Peterbilt 579

$2,650 USD

(USED) Eaton D40-155 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 515578 Ref# 10000887

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	10000887
Stock Number	25940466
MLS Number	14168269
Category	Differentials, Front
Last Updated	6/6/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(833) 359-___ SHOW
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2017 Rockwell MD2014X Front Differential for a Peterbilt 579

$695 USD

USED ROCKWELL MD2014X FRONT DIFFERENTIAL RATIO: 3.25

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	100009
MLS Number	14384406
Category	Differentials, Front
Last Updated	5/21/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(855) 624-___ SHOW
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Eaton DSP40 Front Differential for a 2015 Peterbilt 579

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DOUBLE LOCKS, 3.55 RATIO, 40,000LBS,, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Stock Number	2826-PETE-6
MLS Number	13341556
Category	Differentials, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

2016 Eaton DDP41 Front Differential for a Peterbilt 579

$2,250 USD

(USED) Eaton DDP41 Ratio: 2.80 Side Gear Splines: 41 Cast#: 132043 Ref# 515145

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	515145
Stock Number	25984299
MLS Number	14332124
Category	Differentials, Front
Last Updated	4/25/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2018 Meritor MD2014X Front Differential for a Peterbilt 579

$850 USD

(USED) Meritor MD2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25799961
MLS Number	13815217
Category	Differentials, Front
Last Updated	4/25/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2017 Meritor MD2014X Front Differential for a Peterbilt 579

$950 USD

(USED) Meritor MD2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25922321
MLS Number	14097440
Category	Differentials, Front
Last Updated	1/18/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2018 Meritor MD2014X Front Differential for a Peterbilt 579

$925 USD

(USED) Meritor MD2014X Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220_02

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25692750
MLS Number	13853410
Category	Differentials, Front
Last Updated	9/29/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(833) 359-___ SHOW
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2020 Rockwell MD2014E Front Differential for a Peterbilt 579

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USED ROCKWELL MD2014E FRONT DIFFERENTIAL ASSEMBLY - RATIO: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	90372
MLS Number	12835255
Category	Differentials, Front
Last Updated	5/10/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(877) 254-___ SHOW
NUMBERCall Seller

2015 Rockwell MD20-14X Front Differential for a Peterbilt 579

$1,250 USD

GTO

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	24657
MLS Number	10535077
Category	Differentials, Front
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.