Atp Se-1 Automatic Transmission Control Solenoid Lock-Up

The ATP SE-1 automatic transmission control solenoid is engineered to restore proper torque converter lock-up operation. Built to OE specifications, it provides a direct-fit replacement with no modifications required, delivering reliable shifting and long-lasting performance.

Product Details:
Brand: ATP Transmission Components

Part Number: SE-1
Type: Automatic Transmission Lock-Up / Control Solenoid

Line Code: ATP

ATP solenoids are precision-engineered for exact fit and dependable operation.

Interchange Numbers (reference only):
Rostra Precision Controls: 52-0430, 520430
Transtar Industries: A44425U

Vehicle Fitment:
Compatible with a wide range of GM cars, trucks, vans, and SUVs from 1968–1986, including select models from Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, and Avanti.

Verify fitment by entering your vehicle’s year, make, model, trim, and engine in the compatibility chart.