Eaton 17221 Axles &amp; Differentials For Sale

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Eaton 17221 Rear Differential

$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

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1976 Eaton 17221 Rear Axle Housing for a Ford F-750

$850 USD

Eaton Rear Axle Housing, 17221, 10 Hole Budd, Air Drum Brakes, Removed From 1976 Ford Boom Truck. HOUSING ONLY, DIFF SOLD SEPARATELY

Condition	Used
Fits To Make(s)	FORD
Fits To Model(s)	F-750
Stock Number	1934-4
MLS Number	13897296
Category	Axle Housings, Rear
Last Updated	2/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(833) 432-___ SHOW
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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

(855) 750-___ SHOW
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Eaton 17221 Rear Axle Housing

$1,500 USD

OEM 120166, GOOD CONDITION, GOOD SPINDLE

Condition	Used
Stock Number	2169
MLS Number	10892013
Category	Axle Housings, Rear
Last Updated	8/31/2025
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

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

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

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

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

Eaton 17221 Rear Axle Housing for a 1980 Ford 9000

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ROUND HOUSING, 6.57 RATIO, 23,000LB, SINGLE AXLE

Condition	Used
Fits To Make(s)	Ford
Fits To Model(s)	9000
Will Fit Year(s)	1980
Stock Number	2682-FORD-7
MLS Number	13340376
Category	Axle Housings, Rear
Last Updated	3/7/2025
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton 17221 Rear Differential for a 1980 Ford 9000

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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.

Eaton 17221 Front Axle Housing for a 1979 GMC

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2 SPD, 17221, 18,500LBS, 12 BOLT 6 1/2 DIA

Condition	Used
Fits To Make(s)	GMC
Will Fit Year(s)	1979
Stock Number	2513-GMC-6
MLS Number	13339477
Category	Axle Housings, Front
Last Updated	3/7/2025
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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

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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.

Eaton 17221 Rear Differential for a 1981 Ford F700

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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) 465-___ SHOW
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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

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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
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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.