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5R55N | 5R55S | 5R55W

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  1. 5R55WS-LB1

    5R55WS-LB1 - 5R55S, 5R55W SONNAX LINE PRESSURE BOOSTER KIT

    Regular Price $89.37 As low as $80.43
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  2. 56947J-VTP

    56947J-VTP - 5R55S, 5R55W SONNAX VACUUM TEST PLATES

    Regular Price $219.57 As low as $197.61
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  3. 56947J-TL9

    56947J-TL9 - 5R55S, 5R55W SONNAX TOOL KIT F/56947J-09K PR REG

    Regular Price $539.33 As low as $485.40
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  4. 56947J-S7 - Sonnax® Ford Lincoln Mercury 5R55S 5R55W Elevated Pressure Spring (Main) 2002-2010

    56947J-S7 - Sonnax® Ford Lincoln Mercury 5R55S 5R55W Elevated Pressure Spring (Main) 2002-2010

    Regular Price $21.12 As low as $19.01
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  5. 56947J-S6 - Sonnax® Ford 5R55N 5R55S 5R55W Forward Engagement Control Spring

    56947J-S6 - Sonnax® Ford 5R55N 5R55S 5R55W Forward Engagement Control Spring

    Regular Price $11.98 As low as $10.78
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  6. 56947J-S1

    56947J-S1 - 5R55N SONNAX SPRING, 4-3 PRE-STROKE VALVE

    Regular Price $5.82 As low as $5.24
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  7. 56947J-82K

    56947J-82K - 5R55S, 5R55W SONNAX TC MOD PLUNG 4.6L OS SLEEVE

    Regular Price $44.77 As low as $40.29
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  8. 56947J-81K

    56947J- 81K - 5R55S, 5R55W SONNAX TC MOD PLUNG LG RATIO OS SLEEV

    Regular Price $30.45 As low as $27.41
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  9. 56947J-80K

    56947J-80K - 5R55S, 5R55W SONNAX TC MOD PLUNG OE RATIO OS SLEEV

    Regular Price $28.02 As low as $25.22
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  10. 56947J-77

    56947J-77 - 5R55S, 5R55W SONNAX VALVE, PRESSURE REGULATO

    Regular Price $31.17 As low as $28.05
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  11. 56947J-74K

    56947J-74K - 5R55S, 5R55W SONNAX VALVE KIT, BOOST

    Regular Price $85.08 As low as $76.57
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  12. 56947J-66K

    56947J-66K - 5R55S, 5R55W SONNAX END PLUG KIT, O-RINGED

    Regular Price $28.07 As low as $25.26
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  13. 56947J-61K

    56947J-61K - 5R55S, 5R55W SONNAX VALVE KIT, SOL&TC FEED LTD O/S

    Regular Price $46.97 As low as $42.27
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  14. 56947J-39K

    56947J-39K - 5R55N SONNAX VALVE KIT, PRESSURE REGULATOR

    Regular Price $33.45 As low as $30.11
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  15. 56947J-32K

    56947J-32K - 5R55N SONNAX SLEEVE & PLUNGER KIT, TCC MOD

    Regular Price $60.32 As low as $54.29
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Additional Options
Need More Than Just This Part? Rebuild faster and smarter with a complete kit.Includes all essential components - gaskets, seals, clutches, and more.
  • All-in-one convenience
  • Reduces downtime
  • Trusted by top techs
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