ATP Automotive JX-66 Automatic Transmission Modulator Valve for GM THM350 THM400

The ATP Automotive JX-66 is an automatic transmission modulator valve measuring 2.959 inches in length, designed as a direct replacement for worn or damaged modulator valves in GM THM350, THM400, and TH300 automatic transmissions. This modulator is specifically engineered for taxi and police vehicles with THM350 transmissions using 3.73:1 or 4.10:1 axle ratios, as well as A460 and THM400 applications.

Key Features:

• Manufactured to original equipment specifications for assured perfect fit and function
• Made of premium quality materials ensuring superior durability and long-lasting service life
• Replaces OE numbers: 1394526, 3027222, 3027223, 3032144, 359917, 8629944
• Backed by ATP's 1-year warranty against defects in material and workmanship
• Precise length specification ensures proper transmission pressure regulation

The modulator valve plays a critical role in automatic transmission operation by regulating line pressure based on engine vacuum, ensuring smooth shifting and optimal transmission performance. This ATP product is designed to provide OE quality and function, easily restoring your transmission system to its original condition.