ATP JX-70 Automatic Transmission Modulator Valve

The ATP JX-70 is a direct-fit replacement automatic transmission modulator valve engineered for GM THM440/4T60/ME9 and THM325-4L transmissions (2nd design). It is specifically designed for applications with transmission codes 6AN, 6AP, 6AS, 6AW, 6AT, and 6AY, restoring proper vacuum-controlled shift behavior to worn or failing transmission systems.

The transmission modulator valve is a critical component in automatic transmissions that senses engine load via intake manifold vacuum and adjusts shift points accordingly. A faulty or worn modulator valve can result in sluggish shifts, harsh engagement, or incorrect shift timing — all of which can accelerate transmission wear.

Key Features:

• Exact-fit replacement for OE modulator valve — no modification required
• Designed for THM440/4T60/ME9 and THM325-4L transmissions (2nd design)
• Compatible with transmission codes: 6AN, 6AP, 6AS, 6AW, 6AT, 6AY
• Manufactured to meet or exceed original equipment specifications
• Restores proper vacuum-load-sensing and shift timing
• Made from premium quality materials for long-lasting durability
• Backed by ATP's one-year warranty against defects in materials and workmanship

ATP Automotive transmission components are built as exact-fit, no-compromise replacement parts, ensuring a straightforward installation and reliable, long-term performance in automatic transmission repair and rebuild applications.