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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 $65.90
Your Cost $65.90


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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.

Accessories/Related Items....
54200-12K 4L30E small ratio boost valve .564" 5420006K 4L30E, AR25, AR35 VALVE ASSY, BOOST-LARGE RATIO
Your Cost $32.00

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Your Cost $60.74

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54200-12K 4L30E small ratio boost valve .564" 54200-06K 4L30E large ratio boost valve

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