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4F27E Shift Correction Kit


Retail: $77.95
Our Price: $62.88
You Save: $15.07
In Stock
Our Number: 48167S
Manufacturer: Superior Transmission Parts
Mfg Part # : K4F27E
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4F27E Shift Correction Kit
Made By Superior Transmission Parts

This kit was carefully design to eliminate the common problems occuring with these models.
This kit contains everything pictured (In Photo).

Includes Detailed Instructions
This kit can be installed with the transmission still in the Vehicle

Fits All 4F27E/ FN4A-EL / FNR5 Models 1999 and Up

Most Commonly Found in Ford Focus & Mazda Protege Models

This valve body kit corrects these problems:   

Soft Shifts and Flares

Premature Band Failure

Code P0741 ( T.C.C. Slip )

Broken Solenoid P.R. Valve Spring (Pressure Regulator)

Worn or Damaged Accumulator Bores

(Accumulator Buddy Included)

Updated Design Accumulator Pistons Included

Additional Notes About this Kit:

The updated Multi-Unit kit now covers the five-speed Ford FNR5 and Mazda FS5A-EL transmissions. 

The 4F27E kit includes Superior's patent pending billet 1-2 and neutral/ drive dual sealing ring accumulator pistons. 

This kit also contains one of our patent pending Accumulator Buddy brushes so no other tools or fixtures are required. 

The pistons and brush allow you to reuse previously discarded cases that would not have sealed due to premature ware. 

The 4F27E kit also includes a new, stronger solenoid pressure regulator valve spring to replace the frequently broken stock spring.


Our Part # 48167S
Transtar # S48167
Natpro # ST17944
Superior Part # K4F27E


Customer Service is our Priority , Email us any questions you may have !

We do offer combined shipping for multiple purchases to Export Customers.

We would appreciate the opportunity to serve your transmission parts needs ! ! !

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