Eaton 17221 Rear Differentials For Sale

Shop used and remanufactured Eaton 17221 Rear Differentials on MyLittleSalesman.com . Compare active listings with prices from $650 to $1,745. Sellers include Garabedian Equipment, Spalding Truck Parts, Holst Truck Parts, and more. Filter by condition, price, or year to find the Eaton 17221 Rear Differential that fits your job.

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Truck Parts

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Differentials, Rear

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Eaton

Model
17221

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1 - 13 of 13 listings

Eaton 17221 Rear Differential for a Ford F-750

1976 Eaton 17221 Rear Differential for a Ford F-750

Recently Updated

$895 USD

17221 2 Speed - 7.17 Ratio - Pullout - DIFF ONLY, HOUSING SOLD SEPARATELY

Condition	Used
Rear End	7.17 ratio
Fits To Make(s)	FORD
Fits To Model(s)	F-750
Stock Number	1934-3
MLS Number	13897294
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton 17221 Rear Differential

Eaton 17221 Rear Differential

Recently Updated

$1,745 USD

17221-657 - Rebuilt

Condition	Remanufactured
Rear End	6.57 ratio
Stock Number	17221-657-REB
MLS Number	13889745
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton 17221 Rear Differential

Eaton 17221 Rear Differential

$650 USD

6.50 Ratio 2 Speed 16 Spline

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	17221
Stock Number	R12302260
MLS Number	13822665
Category	Differentials, Rear
Last Updated	9/19/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

(833) 432-___ SHOW
NUMBERCall Seller

Spalding Truck Parts

Eaton 17221 Rear Differential for a 1981 Ford LN7000

Eaton 17221 Rear Differential for a 1981 Ford LN7000

$895 USD

17221 EATON 5.57,INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Axle Spline Count: 2'' 16 SPL.S.G., Ratio: 5.57

Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	Ford
Fits To Model(s)	LN7000
Will Fit Year(s)	1981
Stock Number	61722-10
MLS Number	11471462
Category	Differentials, Rear
Last Updated	8/23/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Holst Truck Parts

Eaton 17221 Rear Differential for a 1980 Chevrolet C70

Eaton 17221 Rear Differential for a 1980 Chevrolet C70

$1,195 USD

17221 4.88 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 4.88

Condition	Used
Rear End	4.88 ratio
Fits To Make(s)	Chevrolet
Fits To Model(s)	C70
Will Fit Year(s)	1980
Stock Number	42324-3
MLS Number	12848484
Category	Differentials, Rear
Last Updated	5/7/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Holst Truck Parts

Eaton 17221 Rear Differential for a 1987 Chevrolet C70

Eaton 17221 Rear Differential for a 1987 Chevrolet C70

$995 USD

GOOD USED EATON 2 SPEED DIFFERENTIAL. WILL INSPECT. 90 DAY WARRANTY, Serial#: GET, Core Charge: NA, Ratio: 6.57, Casting#: GET

Condition	Used
Rear End	6.57 ratio
Fits To Make(s)	Chevrolet
Fits To Model(s)	C70
Will Fit Year(s)	1987
Part Number	17221
Stock Number	92820-3
MLS Number	10480761
Category	Differentials, Rear
Last Updated	12/17/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Holst Truck Parts

Eaton 17221 Rear Differential for a 1977 Ford LN750

Eaton 17221 Rear Differential for a 1977 Ford LN750

$1,295 USD

GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE (CONFIRM SIDE GEAR), Serial#: NA, Core Charge: 500.00, Ratio: 6.50, Casting#: NA

Condition	Used
Rear End	6.50 ratio
Fits To Make(s)	Ford
Fits To Model(s)	LN750
Will Fit Year(s)	1977
Part Number	17221
Stock Number	81425-3
MLS Number	13768929
Category	Differentials, Rear
Last Updated	8/20/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Holst Truck Parts

Eaton 17221 Rear Differential for a 1980 Ford 9000

Eaton 17221 Rear Differential for a 1980 Ford 9000

Contact for price

2 SPD, 6.57 RATIO, 23,000LBS, DAYTON, SINGLE AXLE, Ratio: 6.57

Condition	Used
Rear End	6.57 ratio
Fits To Make(s)	Ford
Fits To Model(s)	9000
Will Fit Year(s)	1980
Stock Number	2682-FORD-6
MLS Number	13340375
Category	Differentials, Rear
Last Updated	3/7/2025
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(855) 624-___ SHOW
NUMBERCall Seller

Badger Truck Parts Ltd.

Eaton 17221 Rear Differential for a 1974 Gm/Chev (Hd) 7000

Eaton 17221 Rear Differential for a 1974 Gm/Chev (Hd) 7000

Contact for price

2 SPD, SINGLE AXLE 7.17 ratio, Ratio: 7.17

Condition	Used
Rear End	7.17 ratio
Fits To Make(s)	GM/Chev (HD)
Fits To Model(s)	7000
Will Fit Year(s)	1974
Stock Number	2612-GMC-4
MLS Number	13339445
Category	Differentials, Rear
Last Updated	3/7/2025
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(855) 624-___ SHOW
NUMBERCall Seller

Badger Truck Parts Ltd.

Eaton 17221 Rear Differential for a 1981 Ford F700

Eaton 17221 Rear Differential for a 1981 Ford F700

Contact for price

12 BOLT AXLES / CASTING NO.106411 USED; Ratio: 5.57 (Rears (Rear)), Core Charge: 0.00, Ratio: 5.57

Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	Ford
Fits To Model(s)	F700
Will Fit Year(s)	1981
Stock Number	429-FORD-11
MLS Number	13338141
Category	Differentials, Rear
Last Updated	3/7/2025
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(855) 624-___ SHOW
NUMBERCall Seller

Badger Truck Parts Ltd.

Eaton 17221 Rear Differential

Eaton 17221 Rear Differential

$750 USD

RATIO 7.60 TURNS 360,LOOKS O.K, Core Charge: 0.00, Ratio: 7.60

Condition	Used
Rear End	7.60 ratio
Fits To Make(s)	Eaton
Fits To Model(s)	17221
Stock Number	28254
MLS Number	9062592
Category	Differentials, Rear
Last Updated	12/26/2025
Location	Louisville, KY, US
Sold By	River City Truck Parts

(855) 465-___ SHOW
NUMBERCall Seller

River City Truck Parts

Eaton 17221 Rear Differential

Eaton 17221 Rear Differential

$850 USD

USED 17221 EATON CAST#67757 TWO SPEED DIFFERENTIAL, RATIO: 6.57 X 8.96, AXLE GEARS 39 X 2, 10 SPLINE X 1 3/4 PINION

Condition	Used
Stock Number	78526
MLS Number	12830266
Category	Differentials, Rear
Last Updated	5/2/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Eaton 17221 Rear Differential

Eaton 17221 Rear Differential

$1,250 USD

USED EATON TWO SPEED DIFFERENTIAL MODEL 17221, RATIO : 7.17 / 9.77 THIS UNIT IS CLEANED AND CHECKED

Condition	Used
Stock Number	32709
MLS Number	12813646
Category	Differentials, Rear
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

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