New and Used 3.9 (Ratio) For Sale

Find new and used Semi Truck 3.9 (Ratio) for sale in stock near you with fast delivery. View all 24 18-wheeler parts including Cabs, Engine Parts, Fuel Tanks, Differentials, and more.

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Used 2005 UD/Nissan UD2000 Gear Set

Differentials & Differential Parts / Gear Sets
Wagener, South Carolina, US

Price: $2,650.00 **

Stock #: 174-K50244-6
Truck Year: 2005
Differential Make: UD/Nissan
Differential Model: UD2000
Good used 2005 UD Nissan 2000 (Rear Gear) with 3.9 ratio. Truck had 19.5” wheels. Call for... more
Busbee Auto & Truck Parts
** Price excludes shipping costs.

Rebuilt ROCKWELL RD 40145 R Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
West Sacremento, California, US

Price: $1,550.00

Stock #: R-2523
Differential Make (Rear): ROCKWELL
Differential Model (Rear): RD 40145 R
PART#: RD40145R RATIO: 3:90 PROCESS: Rebuilt by Expert gear and rebuild specialists with 90+... more

Core Mack CRD93 Differential Core

Differentials & Differential Parts / Differential Cores
Elkton, Maryland, US
Stock #: P-113232
Differential Make: Mack
Differential Model: CRD93
(Core) Mack CXU613, COMPLETE FRONT REAR TANDEM GEAR ONLY- Part Number: 64KH5104, Make: Mack,... more

Used Meritor/Rockwell Tandem Cutoff

Differentials & Differential Parts / Tandem Cutoffs
Miami, Florida, US
Stock #: 417
Differential Make (Tandem): Meritor/Rockwell
Differential Model (Tandem): Other
STOCK: 417-0822194 - SN:HN-HENDRICKSON 2008 HN-HENDRICKSON TANDEM RATIO: 3.90 REMANUFACTURED... more

2007 Freightliner Columbia 120 Truck for Parts

Trucks for Parts
Calgary, Alberta, CA
Stock #: ETP1883
Truck Year: 2007
Truck Make: Freightliner
Truck Model: Columbia 120
2007 Freightliner Columbia 120 ETP1883 Truck Tractor 1FUJA6CK87PY90470 Detroit SERIES 60

Used Tandem Cutoff

Differentials & Differential Parts / Tandem Cutoffs
Miami, Florida, US
Stock #: 416
Differential Make (Tandem): Other
Differential Model (Tandem): Other
STOCK: 416-0822193 - SN:AIR TRAC 2006 PETERBILT AIR TRAC SUSPEN TANDEMS RATIO: 3.90 USED AIR... more

Used Meritor/Rockwell SQHD Front Rear (Tandem Front)

Differentials & Differential Parts / Front Rears (Tandem Front)
Billings, Montana, US

Price: $1,600.00

Stock #: 21C
Differential Make (Front): Meritor/Rockwell
Differential Model (Front): SQHD
Used Meritor/Rockwell SQHD Differential. 3.90 Ratio. Has been repaired. Make: Meritor/Rockwell... more

Used 2007 UD/Nissan Gear Set

Differentials & Differential Parts / Gear Sets
Wagener, South Carolina, US
Stock #: 163-H60522-1
Truck Year: 2007
Differential Make: UD/Nissan
Differential Model: Other
Good used 2007 UD2000 ( Rear diifferential gear with 3.9 ratio , 6 lug ) call for price and... more

Used 2007 UD/Nissan Gear Set

Differentials & Differential Parts / Gear Sets
Wagener, South Carolina, US
Stock #: 184-F60578-6
Truck Year: 2007
Differential Make: UD/Nissan
Differential Model: Other
Good used 2007 UD2000 ( REAR DIFFERENTIAL GEAR with 3.9 ratio ) call for price and shipping 90... more

Used 1994 EATON 22065S Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Ste-Julie, Quebec, CA

Price: $1,000.00

Stock #: 2A2E27918
Truck Year: 1994
Differential Make (Rear): EATON
Differential Model (Rear): 22065S
GOOD USED

Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Sumter, South Carolina, US

Price: $950.00

Stock #: 433R
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): RS20145
Good used Rockwell RS20145 differential assembly.

Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Sumter, South Carolina, US

Price: $950.00

Stock #: 434R
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): RS20145
Good used Rockwell RS20145 differential assembly.

Used Meritor/Rockwell RS20145 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Sumter, South Carolina, US

Price: $950.00

Stock #: 435R
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): RS20145
Good used Rockwell RS20145 differential assembly.

New Meritor/Rockwell Part by Number

Parts by Number
Phoenix, Arizona, US

Price: $350.00

Stock #: A38000-2
Part Make: Meritor/Rockwell
Part#: A38000-2
SQAR

Used Meritor/Rockwell Part by Number

Parts by Number
Phoenix, Arizona, US

Price: $350.00

Stock #: A38000-3
Part Make: Meritor/Rockwell
Part#: A38000-3
SQAR

New Meritor/Rockwell Part by Number

Parts by Number
Phoenix, Arizona, US

Price: $250.00

Stock #: A38000-3U
Part Make: Meritor/Rockwell
Part#: A38000-3U
QAR

Overhauled Meritor/Rockwell RR20-145 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Edmonton, Alberta, CA
Stock #: RR923D
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): RR20-145
Overhauled Differential - Rear - Meritor/Rockwell - RR20-145 - 3.90 Ratio.

Used 2000 UD/Nissan Gear Set

Differentials & Differential Parts / Gear Sets
Wagener, South Carolina, US
Stock #: 233-H55123-1
Truck Year: 2000
Differential Make: UD/Nissan
Differential Model: Other
Good used 2000 UD2000 FE6TA ( REAR DIFFERENTIAL GEAR WITH 3.9 RATIO , 6 LUG WHEELS ) call for... more

Used Meritor/Rockwell 46-160 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Prince George, British Columbia, CA
Stock #: 134
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): 46-160
Used Meritor/Rockwell 46-160 Differential w/ 3.90 Ratio. Has Locker Make: Meritor/Rockwell Model:... more

Used Meritor/Rockwell 40-145 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Prince George, British Columbia, CA
Stock #: 123
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): 40-145
Used Meritor/Rockwell 40-145 Differential w/ 3.90 Ratio Make: Meritor/Rockwell Model: 40-145

Used Meritor/Rockwell SQ100 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Prince George, British Columbia, CA
Stock #: 68
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): SQ100
Used Meritor/Rockwell SQ100 Differential w/ 3.90 Ratio Make: Meritor/Rockwell Model: SQ100

Used Meritor/Rockwell SQ100 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Prince George, British Columbia, CA
Stock #: 81
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): SQ100
Used Meritor/Rockwell SQ100 Differential w/ 3.90 Ratio Make: Meritor/Rockwell Model: SQ100

Used Meritor/Rockwell SQ100 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Prince George, British Columbia, CA
Stock #: 86
Differential Make (Rear): Meritor/Rockwell
Differential Model (Rear): SQ100
Used Meritor/Rockwell SQ100 Differential w/ 3.90 Ratio Make: Meritor/Rockwell Model: SQ100

Used Eaton RS404 Rear Rear (Tandem Rear or Single)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Prince George, British Columbia, CA
Stock #: 70
Differential Make (Rear): Eaton
Differential Model (Rear): RS404
Used Eaton RS404 Differential w/ 3.90 Ratio Make: Eaton Model: RS404

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