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917A739
DETROIT TRUETRAC® DIFFERENTIAL; FORD 8.8 IN.; 34 SPLINE; 3.31 & UP
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General specifications
Product Name
Eaton Detroit Truetrac Differential
Catalog Number
917A739
Product Weight
27 lb
Product specifications
Ring gear ratio
3.31 & UP
Gear spline tooth count
34 EA
Axle shaft diameter
1.32 in
Ring gear size
8.8 in
Differential type
Limited slip
Model product notes
A quality, petroleum-mineral based, GL5 rated 80w-90 gear oil should be used. Synthetic oils and/or Friction modifiers should not be used.
Serial Number Verified :
Authenticated: 
The product is verified as being authentic; however, this does not guarantee the condition or fit for purpose of the product.
The product is verified as being authentic; however, this does not guarantee the condition or fit for purpose of the product.
