U140E Sonnax Oversized Pressure Regulator & Boost Valve Kit 57917E-08K

Sonnax Oversized Pressure Regulator & Boost Valve Kit

Genuine Sonnax Oversized Pressure Regulator & Boost Valve Kit for the Toyota, Lexus, Scion U140E 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 U140E / U140F / U240E / U241E units. Sonnax part number 57917E-08K.

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 U140E rebuild or repair.

Shipping & Support

Fast shipping and knowledgeable support on every U140E order.

Special Order

This Sonnax part is available by special order. Contact us for current price and availability before ordering.