4L60E Pressure Regulator Valve Kit 1993-2008 S74507RDK Sonnax

Overview

Sonnax S74507RDK pressure regulator (PR) valve and sleeve kit for GM 4L60E / 4L65E transmissions, 1993-2008 model years. Restores correct line pressure and prevents pump bore wear that causes harsh shifts, low pressure, and burnt clutches.

Common Symptoms This Part Solves

Erratic line pressure, harsh shifts, slipping under load, burnt clutch material in fluid. This kit replaces the worn factory PR valve and sleeve with hardened anodized aluminum components.

Specifications

• Transmission: 4L60E / 4L65E
• Part Type: Pressure Regulator Valve Kit
• Brand: Sonnax (via Transtar)
• Part Number: S74507RDK
• Year Range: 1993-2008

Fitment

Fits GM, Chevrolet, GMC, and Cadillac vehicles equipped with the 4L60E or 4L65E automatic transmission, 1993-2008 model years. Drop-in replacement, no machining required.

Quality & Service

Free shipping on orders over $99. Same-day shipping on in-stock parts. Genuine Sonnax part shipped through Transtar distribution.