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Sonnax Pump Gear Set 4R100 E4OD 36438A-03

Product Description For Sonnax Parts

Product Part No: -- 36438A-03

Transmissions: -- 4R100 E4OD
Pricing Information:
Package and Weight
Package Quantity: 1 ea Weight: 1.50 lbs
Base Price:
Product Description
Fits all 4R100 pumps. Fits '95-later F5 and F8 E4OD pumps.
Part Detail & Install Instructions
Sonnax Pump Gear Set 36438A-03
Note: Prior to 1995, Ford E4OD pump castings were designated as E9 or F1 and had 11 lobes on outer gear. Those castings suffered from low pump output and were superceded in 1995 with F5 and in 1998 with F8 castings, containing 10 lobes on outer gear. An E4OD E9 or F1 casting should be replaced with an F5 or F8 casting. Sonnax pump gear set 36438A-03 is designed for use in F5 and F8 castings only:

Part Contents

  1. Inner Pump Gear:
  2. Outer Pump Gear:
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