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  Home > TRANSMISSION PARTS AUTOMATIC TRANSMISSION KITS > Foreign (Germany) > BMW > BMW 4 Speed Transmissions > 4L30E 3 & 5 Series 1989-ON > Sonnax Valves & Tools >

5420001K 4L30E, AR25, AR35 VALVE ASSY, BOOST-MEDIUM RATIO
4L30E transmission medium ratio boost valve .630"
4L30E transmission medium ratio boost valve .630"
  
Transmission parts
Competitors Price $56.18
Your Cost $56.18


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Product Code: 400-05420001K
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Description
 
4L30E transmission medium ratio boost valve.
More Information
Features
  • Restores line pressure boost, preventing burnt clutches and burnt band. This is a direct replacement part for OEM #448.

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