Sonnax Boost Valve Kit for 5R55W - 56947J-74K

5R55W Sonnax Boost Valve Kit 56947J-74K

$82.36
$82.36
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Sonnax Boost Valve Kit for 5R55W - 56947J-74K
  • Sonnax Boost Valve Kit for 5R55W - 56947J-74K
  • Sonnax Boost Valve Kit for 5R55W - 56947J-74K
5R55W Sonnax Boost Valve Kit 56947J-74K

5R55W Sonnax Boost Valve Kit 56947J-74K

$82.36
$82.36
Special Order — we source this part to order and ship it within 3 business days. Your card is authorized now and only charged once we confirm the part; if we can’t source it, your order is cancelled at no charge.

Sonnax Boost Valve Kit

Genuine Sonnax Boost Valve Kit for the Ford, Lincoln, Mercury 5R55W automatic transmission. Sonnax parts are the aftermarket standard for transmission repair and performance, engineered to correct common failure points and add durability beyond the original design.

Fitment

Fits 5R55S / 5R55W units. Sonnax part number 56947J-74K.

Why Sonnax

Trusted by professional builders and performance shops, Sonnax components are made in the USA to exacting tolerances. This is a direct-fit upgrade for a 5R55W rebuild or repair.

Shipping & Support

Fast shipping and knowledgeable support on every 5R55W order.

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