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1991 Ford F-250

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ACDelco 4278 Differential Pinion Seal
for 1991 Ford F-250

ACDelco 4278 Differential Pinion Seal - 1991 Ford F-250 Image 1
ACDelco 4278 Differential Pinion Seal - 1991 Ford F-250 Image 2
ACDelco 4278 Differential Pinion Seal - 1991 Ford F-250

ACDelco
Brand:ACDelco
Part Number: 4278
UPC: 00808709437635
Weight: 0.16 lbs
Condition:New



On Sale:

$6.85

Availability:
252 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the ACDelco 4278 Differential Pinion Seal for your 1991 Ford F-250. Buy now and secure your purchase online!

ACDelco Gold (Professional) Differential Pinion Seals are a high quality alternative to Original Equipment (OE) parts. They help prevent leakage of lubricant and prevent outside contamination from entering the differential pinion. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional or ACDelco Advantage. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Premium aftermarket replacement part
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Specifications:

Bore Diameter (in):
3.095 in
Bore Diameter (mm):
78.61 mm
Inside Diameter:
1.81 in.
Inside Diameter:
46.02 mm
Material:
Fluoro-Elastomer
Outside Diameter:
3.4 in.
Outside Diameter:
86.41 mm
Programming Required:
No
Thickness:
0.49 in.
Thickness:
12.32 mm
Universal Or Specific Fit:
Specific
Country of Origin:
TW

ACDelco 4278 Differential Pinion Seal compatibility with your 1991 Ford F-250...

Last Updated: 04/30/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
Ford F-250

4.9L L6 Gas OHV,
5.0L V8 Gas OHV,
5.8L V8 Gas OHV,
7.5L V8 Gas OHV
1
 
Rear
 
Gold
with 10.25in Diameter Ring Gear
 

Ford F-250



4.9L L6 Gas OHV,
5.0L V8 Gas OHV,
5.8L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Gold
with 10.25in Diameter Ring Gear

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Ford F-250

7.3L V8 Diesel OHV
1
 
Rear
 
Gold
with 10.25in Diameter Ring Gear
 

Ford F-250



7.3L V8 Diesel OHV

Rear Gold
with 10.25in Diameter Ring Gear

1 Per Vehicle

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