Detroit Rear Differentials For Sale by Dealerships

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2007 Detroit RT40-4N Rear Differential

$650 USD

2.41,

Condition	Used
Stock Number	REAR-1503
MLS Number	12180062
Category	Differentials, Rear
Last Updated	3/12/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

Detroit DA-RT-40.0-4S Rear Differential for a 2022 Freightliner Cascadia 126

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(Used) 2022 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771195B0245935, Make: Detroit, Model: DA-RT-40.0-4S, Ratio: 2.85, Capacity: 20...

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2022
Part Number	C11-00051-620
Stock Number	P-499430
MLS Number	14232068
Category	Differentials, Rear
Last Updated	3/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-NFD Rear Differential for a 2021 Freightliner Cascadia 126

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(Used) 2021 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-618, Serial Number: 771195B0160106, Make: Detroit, Model: RT40-NFD, Ratio: 2.41, Capacity: 20,000...

Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2021
Part Number	C11-00051-618
Stock Number	P-499331
MLS Number	14231950
Category	Differentials, Rear
Last Updated	3/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2020 Detroit RT40-NFDRR228 Rear Differential

$2,395.16 USD

Condition	Remanufactured
Rear End	2.28 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR228
Stock Number	2547204
MLS Number	13751109
Category	Differentials, Rear
Last Updated	3/6/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

2020 Detroit RTL40-NFDRR285 Rear Differential

$1,750.16 USD

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RTL40-NFDRR285
Stock Number	2613961
MLS Number	14222317
Category	Differentials, Rear
Last Updated	3/5/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

Detroit RT40-NFDRR308 Rear Differential

$3,007.34 USD

Condition	Remanufactured
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR308
Stock Number	2007422
MLS Number	12477513
Category	Differentials, Rear
Last Updated	3/4/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

2013 Detroit RT40-NFDRR342 Rear Differential

$1,500.16 USD

771AAC-A090773T

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR342
Stock Number	2475837
MLS Number	14210637
Category	Differentials, Rear
Last Updated	3/1/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

2015 Detroit DARS-21.0-4R556 Rear Differential

$650 USD

DARS21.04-5.56

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DARS-21.0-4R556
Stock Number	2566745
MLS Number	14191243
Category	Differentials, Rear
Last Updated	3/1/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

Detroit RT40-NFDRR285 Rear Differential

$1,500.16 USD

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR285
Stock Number	2453445
MLS Number	14178531
Category	Differentials, Rear
Last Updated	2/28/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

2019 Detroit RT40-NFDRR308 Rear Differential

$1,500.16 USD

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR308
Stock Number	2253575
MLS Number	14168930
Category	Differentials, Rear
Last Updated	2/28/2026
Location	Tampa, FL, US
Sold By	LKQ Heavy Truck

Detroit RT40-4N Rear Differential for a 2014 Freightliner Cascadia 125

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(Used) 2014 Freightliner Cascadia 125, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-045, Serial Number: 771AAC-A112546T, Make: Detroit, Model: RT40-4N, Ratio: 2.53, Capacity: 20,000...

Condition	Used
Rear End	2.53 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2014
Part Number	C11-00042-045
Stock Number	P-498552
MLS Number	14166977
Category	Differentials, Rear
Last Updated	2/27/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2019 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

$900 USD

DA-RT-40.0-4S Rear (RT40-NFD) - 2.85 Ratio - Core - Grade C - Rebuildable - Missing Yoke, Lower Pinion Bearings Worn, Good Gearset. CORE UNIT SOLD AS-IS

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	28261
MLS Number	14100119
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Detroit DA-RS-19.0-2 Rear Differential

$900 USD

DA-RS-19.0-2 (R19-2N) - 5.71 Ratio - Core - Grade C - Rebuildable - Pinion Bearings Worn, Gear Set Worn. P/N C11-00001-010, S/N 742820-A231318. CORE UNIT SOLD AS-IS

Condition	Used
Rear End	5.71 ratio
Stock Number	4541027
MLS Number	13896562
Category	Differentials, Rear
Last Updated	3/13/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit RT40-NFD-N Rear Differential for a 2020 Freightliner Cascadia 126

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(Used) 2020 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-317, Serial Number: 771195A0060415, Make: Detroit, Model: RT40-NFD-N, Ratio: 3.08, Capacity:...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2020
Part Number	C11-00051-317
Stock Number	P-498319
MLS Number	14161519
Category	Differentials, Rear
Last Updated	2/25/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS21-4 Rear Differential for a 2024 Freightliner M2 106

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(Used) 2024 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00007-217, Serial Number: 742821A0267291, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 19,000 Lbs,...

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2024
Part Number	C11-00007-217
Stock Number	P-497944
MLS Number	14157193
Category	Differentials, Rear
Last Updated	2/21/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2013 Detroit DARS-17.5-4RTBD Rear Differential

$1,000.45 USD

Condition	Used
Rear End	4.79 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DARS-17.5-4RTBD
Stock Number	2575253
MLS Number	14023230
Category	Differentials, Rear
Last Updated	2/21/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Detroit DA-RT-40.0-4 Rear Differential for a 2021 Freightliner Cascadia

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MILES 516944, Ratio: 285

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2021
Stock Number	MR5240-4
MLS Number	14148870
Category	Differentials, Rear
Last Updated	2/18/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Detroit R19-4N Rear Differential for a 2018 Freightliner M2 106

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(Used) 2018 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00007-206, Serial Number: 742821-A176503, Make: Detroit, Model: R19-4N, Ratio: 5.56, Capacity: 19,000 Lbs,...

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2018
Part Number	C11-00007-206
Stock Number	P-497317
MLS Number	14147148
Category	Differentials, Rear
Last Updated	2/17/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS21-4 Rear Differential for a 2020 Freightliner M2 106

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(Used) 2020 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00009-160, Serial Number: 742821B0120691, Make: Detroit, Model: RS21-4, Ratio: 5.88, Capacity: 17,500 Lbs, For more...

Condition	Used
Rear End	5.88 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2020
Part Number	C11-00009-160
Stock Number	P-496981
MLS Number	14142545
Category	Differentials, Rear
Last Updated	2/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2007 Detroit RT40-NFDRR358 Rear Differential

$1,995.16 USD

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR358
Stock Number	2591791
MLS Number	14136751
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

2019 Detroit RT40-NFDRR241 Rear Differential

$1,995.16 USD

Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR241
Stock Number	2242335
MLS Number	14136343
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

2021 Detroit RT40-NFDRR241 Rear Differential

$2,395.16 USD

Condition	Remanufactured
Rear End	2.41 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR241
Stock Number	2365983
MLS Number	12694858
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

2018 Detroit RT40-NFDRR308 Rear Differential

$1,995.16 USD

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR308
Stock Number	2270334
MLS Number	13246955
Category	Differentials, Rear
Last Updated	2/10/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

Detroit RT40-NFD Rear Differential for a 2024 Freightliner Cascadia 116 Day Cab

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(Used) 2024 Freightliner Cascadia 116 Day Cab, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00090-085, Serial Number: 771195B0413328, Make: Detroit, Model: RT40-NFD, Ratio: 3.58, Capacity:...

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 116 Day Cab
Will Fit Year(s)	2024
Part Number	C11-00090-085
Stock Number	P-496186
MLS Number	14130905
Category	Differentials, Rear
Last Updated	2/7/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts