Dorman 609-143.1 Tire Pressure Monitoring System (TPMS) Valve Kit

TPMS Valve Kit for Mercedes-Benz

Dorman 609-143.1 is a tire pressure monitoring system valve kit built to service factory-equipped TPMS sensors on select Mercedes-Benz vehicles. It uses anodized aluminum components for a precise OE-style repair when the valve stem assembly needs replacement.

• Anodized aluminum construction for corrosion resistance and durability
• Matches original TPMS service parts for specified Mercedes-Benz applications
• Engineered for reliable performance in tire pressure monitoring service
• Includes valve core, valve stem, threaded sleeve, cap, and mounting screw
• Interchange reference: 1040K

Detailed Product Overview

This Dorman TPMS valve kit, part number 609-143.1, is designed for Mercedes-Benz models that use factory TPMS sensors with a serviceable valve stem assembly. It is a direct-fit service component for maintaining the tire pressure monitoring system on vehicles such as the Mercedes-Benz SL550, E350, ML350, and S550. The anodized aluminum construction supports dependable service life while matching the original part design required for proper TPMS maintenance.

Compatible With 2006-2012 Mercedes-Benz applications including SL550, SL63 AMG, CLS550, CLS63 AMG, SL65 AMG, CL550, CL600, CL63 AMG, CL65 AMG, E320, E350, E550, E63 AMG, GL320, GL450, GL550, ML320, ML350, ML550, ML63 AMG, R320, R350, S550, S600, S63 AMG, S65 AMG, SL600, SL55 AMG, ML500, R500, R63 AMG, CLS500, CLS55 AMG, E500, E55 AMG, and SL500. This part cross-references Monroe Shocks & Struts (e.g., 1040K) for the same application.

Common Service Issues

• Damaged or corroded TPMS valve stem components
• Air leaks at the valve stem during tire service
• Faulty valve hardware affecting tire pressure retention
• Need for OE-style TPMS sensor service parts on Mercedes-Benz wheels
• Maintenance replacement after tire or wheel service

Installation Notes and Tips

Install this valve kit during TPMS service or tire replacement on the specified Mercedes-Benz models. Verify sensor and wheel compatibility before installation, and follow the vehicle service procedure for the factory-equipped TPMS sensor assembly. Proper torque and sealing practices are important to maintain an accurate, leak-free repair.

Quality Assurance

Dorman manufactures this kit with quality components and OE-style fitment requirements in mind for specified Mercedes-Benz TPMS service applications. Part number 609-143.1 is engineered for reliable performance and durability in routine tire pressure monitoring system maintenance.