Sonnax Reverse Boost Valve Kit for 4L60 - K77898A

4L60 Sonnax Reverse Boost Valve Kit K77898A

$25.50
$25.50
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Sonnax Reverse Boost Valve Kit for 4L60 - K77898A
  • Sonnax Reverse Boost Valve Kit for 4L60 - K77898A
  • Sonnax Reverse Boost Valve Kit for 4L60 - K77898A
4L60 Sonnax Reverse Boost Valve Kit K77898A

4L60 Sonnax Reverse Boost Valve Kit K77898A

$25.50
$25.50
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 Reverse Boost Valve Kit

Genuine Sonnax Reverse Boost Valve Kit for the GM, Chevrolet, GMC, Cadillac 4L60 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 2004R / 4L60 units. Sonnax part number K77898A.

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 4L60 rebuild or repair.

Shipping & Support

Fast shipping and knowledgeable support on every 4L60 order.

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