New and Used 3.21 (Ratio) For Sale
Find new and used 3.21 (Ratio) for sale near you. Over 200 parts including Engines & Engine Parts, Cab & Cab Parts, Differentials & Differential Parts, Transmissions & Transmission Parts, and more.
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Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$950.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
-eBLhb9BBIETx_b.jpg "Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single) (Stock #1353R) Part For Sale")
Stock #
1353R
1353R
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RS20145
RS20145
Inspected Rear Differential. 30 Day Warranty.
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Carolina Truck Parts
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Used Spicer/Dana N175 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$750.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
1103R
1103R
Differential Make (Rear)
Spicer/Dana
Spicer/Dana
Differential Model (Rear)
N175
N175
Good used condition, ready to go. Can ship for additional fee. We accept major credit cards, EFS...
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Carolina Truck Parts
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Used Spicer/Dana N175 Front Rear (Tandem Front)
Differentials & Differential Parts / Front Rears (Tandem Front)$1,350.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
1103FR
1103FR
Differential Make (Front)
Spicer/Dana
Spicer/Dana
Differential Model (Front)
N175
N175
Good used condition, ready to go. Can ship for additional fee. We accept major credit cards, EFS...
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Carolina Truck Parts
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Used Spicer/Dana N175 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$750.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
539S
539S
Differential Make (Rear)
Spicer/Dana
Spicer/Dana
Differential Model (Rear)
N175
N175
Inspected with Warranty
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Carolina Truck Parts
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Used Meritor/Rockwell RD20145 Front Rear (Tandem Front)
Differentials & Differential Parts / Front Rears (Tandem Front)$1,250.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
387FR
387FR
Differential Make (Front)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Front)
RD20145
RD20145
Good used Rockwell RD20145 differential assembly.
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Carolina Truck Parts
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Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$850.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
384R
384R
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RS20145
RS20145
Good used Rockwell RS20145 differential assembly.
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Carolina Truck Parts
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Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$850.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
385R
385R
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RS20145
RS20145
Good used Rockwell RS20145 differential assembly.
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Carolina Truck Parts
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Used Eaton Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$1,350.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
467R
467R
Differential Make (Rear)
Eaton
Eaton
Differential Model (Rear)
Other
Other
Good used rear end with warranty.
**MODEL # R40-170**
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Carolina Truck Parts
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Used Meritor/Rockwell RD20-145 Front Rear (Tandem Front)
Differentials & Differential Parts / Front Rears (Tandem Front)$1,250.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
1753F
1753F
Differential Make (Front)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Front)
RD20-145
RD20-145
Good front rear, inspected and 30 day warranty
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Carolina Truck Parts
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Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$950.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
904
904
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RS20145
RS20145
Good used rear rear, inspected, 30 day warranty
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Carolina Truck Parts
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Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$950.00
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
1753RR
1753RR
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RS20145
RS20145
Good used rear rear, inspected, 30 day warranty
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Carolina Truck Parts
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Used Meritor/Rockwell RR/RS23160 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Sumter, South Carolina, US
146.047 mi*
146.047 mi*
Stock #
1724R
1724R
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RR/RS23160
RR/RS23160
Good used rear rea, LOCKERS, inspected, 30 day warranty
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Carolina Truck Parts
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Used Universal Meritor/Rockwell RT40-145 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$650.00
Derma, Mississippi, US
175.312 mi*
175.312 mi*
Stock #
745
745
Truck Year
Universal
Universal
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RT40-145
RT40-145
GTO RT40-145 RATIO 3.21 REAR
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Parker Bros. Inc.
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Used Spicer/Dana N400 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$850.00
Derma, Mississippi, US
175.312 mi*
175.312 mi*
Stock #
1518
1518
Differential Make (Rear)
Spicer/Dana
Spicer/Dana
Differential Model (Rear)
N400
N400
SPICER REAR REAR N400 3.21
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Parker Bros. Inc.
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Used 2002 Spicer/Dana 401F Front Rear (Tandem Front)
Differentials & Differential Parts / Front Rears (Tandem Front)$950.00
Whitesville, Kentucky, US
187.329 mi*
187.329 mi*
Stock #
497
497
Truck Year
2002
2002
Differential Make (Front)
Spicer/Dana
Spicer/Dana
Differential Model (Front)
401F
401F
front rear dana international
90 day warranty
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Owensboro Truck Sales
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Used Spicer S23190D Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)$1,050.00
Louisville, Kentucky, US
190.909 mi*
190.909 mi*
-vKoNDrr0O6dv_b.webp "Used Spicer S23190D Rear Rear (Tandem Rear or Single) (Stock #168892) Part For Sale")
Stock #
168892
168892
Differential Make (Rear)
Spicer
Spicer
Differential Model (Rear)
S23190D
S23190D
#36. S23-190D. Hub to Hub. Ratio: 3.21. Used locker: YES
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River City Truck Parts, Inc.
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Remanufactured Meritor/Rockwell RR23180 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Whipple, Ohio, US
267.075 mi*
267.075 mi*
REMAN
-4bn3arDvBM2r_b.jpg "Remanufactured Meritor/Rockwell RR23180 Rear Rear (Tandem Rear or Single) (Stock #40) Part For Sale")
Stock #
40
40
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RR23180
RR23180
Reman. Rear-Rear Differential 3.21 Ratio (not actual picture, 1 year warranty)
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Schott's Repair Service Inc
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Used 1989 Meritor/Rockwell RDL21145 Front Rear (Tandem Front)
Differentials & Differential Parts / Front Rears (Tandem Front)$1,250.00
Felda, Florida, US
327.165 mi*
327.165 mi*
-i1SoEcCGwyJL_b.webp "Used 1989 Meritor/Rockwell RDL21145 Front Rear (Tandem Front) (Stock #202813) Part For Sale")
Stock #
202813
202813
Truck Year
1989
1989
Differential Make (Front)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Front)
RDL21145
RDL21145
IH8300 TRUCK $10,000, L10 $4500 EXCH, RTO11609A $1200, FUEL TANKS $750 EA, RW 21145 CARRIER...
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Delauto Used Truck Parts Inc.
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1989 International 8300 Truck for Parts
Trucks for Parts
Felda, Florida, US
327.165 mi*
327.165 mi*
FOR PARTS
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Delauto Used Truck Parts Inc.
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Used 2009 Meritor/Rockwell RD20145 Front Rear (Tandem Front)
Differentials & Differential Parts / Front Rears (Tandem Front)
Strafford, Missouri, US
339.336 mi*
339.336 mi*
Stock #
9C126815-3
9C126815-3
Truck Year
2009
2009
Differential Make (Front)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Front)
RD20145
RD20145
Take Out Front Differential - Meritor Rockwell RD-20145. Ratio: 3.21
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Truck Component Services
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Used 2015 Meritor/Rockwell RT20145 Tandem Cutoff
Differentials & Differential Parts / Tandem Cutoffs
Strafford, Missouri, US
339.336 mi*
339.336 mi*
Stock #
FN518319-5
FN518319-5
Truck Year
2015
2015
Differential Make (Tandem)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Tandem)
RT20145
RT20145
DNI - IH rear cut with hendrickson airride suspension 20145 aluminum case diffs 3.21 ratio
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Truck Component Services
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Used 2013 Meritor/Rockwell RD20-145 Tandem Cutoff
Differentials & Differential Parts / Tandem Cutoffs$4,000.00
Strafford, Missouri, US
339.336 mi*
339.336 mi*
Stock #
DD133159-8
DD133159-8
Truck Year
2013
2013
Differential Make (Tandem)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Tandem)
RD20-145
RD20-145
Take Off Rear Cut Assembly - Differential Make: Rockwell / Differential Model: RD20145 / RR20145
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Truck Component Services
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Used Meritor/Rockwell 40-145 Front Rear (Tandem Front)
Differentials & Differential Parts / Front Rears (Tandem Front)
Alma, Arkansas, US
356.834 mi*
356.834 mi*
Stock #
396-23063640
396-23063640
Truck Year
Not Available
Not Available
Differential Make (Front)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Front)
40-145
40-145
40145 3.21 - Part Make: Meritor/Rockwell aluminum
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Arkansas Truck Center
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Used Meritor/Rockwell RR20-145 Rear Rear (Tandem Rear or Single)
Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Alma, Arkansas, US
356.834 mi*
356.834 mi*
Stock #
396-23063590
396-23063590
Truck Year
Not Available
Not Available
Differential Make (Rear)
Meritor/Rockwell
Meritor/Rockwell
Differential Model (Rear)
RR20-145
RR20-145
RR20145 3.21 Aluminum Case - Part Make: Meritor/Rockwell
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Arkansas Truck Center
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Used Spicer/Dana N400 Front Rear (Tandem Front)
Differentials & Differential Parts / Front Rears (Tandem Front)
Alma, Arkansas, US
356.834 mi*
356.834 mi*
Stock #
396-20196331
396-20196331
Truck Year
Not Available
Not Available
Differential Make (Front)
Spicer/Dana
Spicer/Dana
Differential Model (Front)
N400
N400
N400F 3.21 - Part Make: Spicer/Dana
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Arkansas Truck Center
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