5R55W 5R55S Transmission Sonnax Boost Valve 1999 and Up for Ford 56947J-74K
5R55W 5R55S Transmission Sonnax Boost Valve 1999 and Up for Ford 56947J-74K
5R55W 5R55S Transmission Sonnax Boost Valve 1999 and Up for Ford 56947J-74K
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5R55W 5R55S Transmission Sonnax Boost Valve 1999 and Up for Ford 56947J-74K

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5R55W 5R55S Sonnax Boost Valve Kit for Ford Applications


Ford vehicles equipped with 5R55W and 5R55S transmissions frequently exhibit problems such as poor line rise, erratic line pressure, delayed engagement, no Reverse, poor shift quality and burnt clutches. These troubles can often be traced to wear in the OE boost sleeve, which allows pressure escape that causes driveability concerns. Installing Sonnax boost valve kit 56947J-74K eliminates pressure loss and revives line rise and shift quality in all ranges.

  • Sleeve manufactured from highly wear-resistant aluminum
  • Hardcoat anodized aluminum valves combat premature wear
  • Sleeve
  • Inner Boost Valve
  • Outer Boost Valve


APPLICATIONS

Explorer 2002-2003 V6 4.0L; V8 4.6L 5 Spd RWD 4X4

Explorer, Sport Trac 2004-2007 V6 4.0L 5 Spd RWD 4X4

Explorer, Sport Trac 2004-2005 V8 4.6L 5 Spd RWD 4X4

Mustang 2005-2007 V6 4.0L: V8 4.6L 5 Spd RWD

Thunderbird 2002 V8 3.9L 5 Spd RWD

Thunderbird 2003-2005 V8 3.9L 5 Spd RWD

S Type 2002 V6 3.0L; V8 4.0L 5 Spd RWD

XK8 2002 V8 4.0L 5 Spd RWD

XKR, XKR 100 2002 V8 4.0L 5 Spd RWD

Aviator 2003-2005 V8 4.6L 5 Spd RWD 4X4

LS 2002 V6 3.0L; V8 3.9L 5 Spd RWD

LS 2003-2006 V6 3.0L; V8 3.9L 5 Spd RWD

Mountaineer 2002-2003 V6 4.0L; V8 4.6L 5 Spd RWD 4X4

Mountaineer 2004-2007 V6 4.0L 5 Spd RWD 4X4

 

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