Valve / Oversized Tcc/s2/s3/early S4 Regulator Valve / Gm 8L45 / 8L90 (2015-on) (requires 8l90-reg-tk)

Transgo Oversized TCC/S2/S3/Early S4 Regulator Valve for GM 8L45 & 8L90 Transmissions (2015+)

Restore proper torque converter clutch and shift solenoid control in your Chevrolet or GM vehicle with this Transgo oversized regulator valve. Engineered specifically for the 8L45 and 8L90 automatic transmissions, this valve corrects wear in the TCC, S2, S3, and early S4 regulator circuits to prevent converter slip, harsh engagement, and related shift complaints.

Key Features

• Oversized design restores critical hydraulic clearance in the valve body bore
• Targets TCC, S2, S3, and early S4 regulator circuits for comprehensive repair coverage
• Manufactured by Transgo, a trusted name in transmission valve body solutions
• Requires Transgo tool kit 8L90-REG-TK for proper installation
• Direct-fit replacement for worn or sticking OEM regulator valves

Compatibility

This Transgo regulator valve is compatible with Chevrolet and GM vehicles equipped with the 8L45 or 8L90 automatic transmission from 2015 and later. It is designed as a direct replacement for the original valve and works with the specified Transgo installation tool kit.

Why Choose This Part?

When your 8L45 or 8L90 transmission develops torque converter clutch shudder, delayed engagement, or shift quality issues, an oversized regulator valve from Transgo offers a durable, cost-effective repair. This valve restores hydraulic integrity without replacing the entire valve body, saving you time and money. Verify your transmission code and order the required tool kit 8L90-REG-TK before installation. Order now and get your transmission shifting smoothly again.