Dorman 924-390 Windshield Wiper Transmission Gear

Reliable Wiper Linkage Gear for Mercedes-Benz Models

The Dorman 924-390 wiper linkage gear is a standard replacement part designed to restore proper windshield wiper function on select Mercedes-Benz vehicles. Made from durable plastic, this gear ensures smooth operation of the wiper system for models including the 300SD, 300SE, 400SE, 400SEL, 500SEC, 500SEL, 600SEC, 600SEL, CL500, CL600, S320, S350, S420, S500, and S600.

Key Features of the Dorman 924-390 Wiper Linkage Gear

• Constructed from high-quality plastic for reliable performance
• Standard replacement grade suitable for routine maintenance
• Includes one wiper linkage gear per package
• Compatible with a wide range of Mercedes-Benz models from the 300SD to the S600
• Part number 924-390 ensures correct fit and function

Detailed Description of the Wiper Linkage Gear

The Dorman 924-390 wiper linkage gear is engineered to replace worn or damaged components within the windshield wiper linkage assembly. Its plastic construction balances durability with smooth mechanical engagement, helping to maintain consistent wiper blade movement. This part is essential for Mercedes-Benz vehicles such as the 300SE and 500SEL, where precise wiper operation is critical for driver visibility and safety. The gear’s design matches OEM specifications, making it a practical choice for restoring the wiper system’s original performance.

Common Applications and Problem Resolution

• Restores wiper blade movement when linkage gear teeth are worn or broken
• Eliminates irregular or jerky wiper operation on Mercedes-Benz 400SEL and CL600 models
• Resolves wiper system failure caused by damaged linkage components
• Prevents wiper motor strain due to slipping or misaligned gears
• Improves overall windshield visibility during adverse weather conditions

Installation Notes and Tips

• Ensure the vehicle is turned off and wiper arms are in the parked position before installation
• Carefully remove the old linkage gear to avoid damaging adjacent components
• Verify the new Dorman 924-390 gear meshes correctly with the wiper motor and linkage arms
• Test wiper operation after installation to confirm smooth and consistent movement
• Consult the vehicle’s service manual for specific removal and installation procedures

Quality Assurance and Warranty Information

Dorman provides this wiper linkage gear as a standard replacement part manufactured to meet industry standards for fit and function. The plastic material used offers reliable durability under normal operating conditions. While no specific warranty details are provided here, Dorman parts typically come with a limited warranty against defects in material and workmanship. Always verify warranty terms with the supplier or manufacturer documentation.