Mercedes R129 (1990-1996) AC Climate Control Temperature Wheel Knob Repair Shaft

Replacement Shaft for Early R129 (1990-1996) AC Climate Control Units

If you’re facing issues with your early R129 AC climate control unit, such as being unable to set the temperature or having a temperature knob that spins freely, it’s likely due to a broken knob shaft. This replacement shaft is specifically designed to fix this issue, restoring full functionality to your climate control unit.

The replacement shaft is 3D printed using UTR Therm resin, a high-performance material that offers exceptional heat resistance and durability. This shaft engages with the temperature knob and turns the potentiometer inside the climate control unit, allowing precise temperature adjustments.

Material Benefits:

• High Temperature Resistance: Made from UTR Therm photosensitive resin, this shaft can withstand temperatures up to 130℃, making it ideal for use in high-temperature environments like vehicle interiors.
• Heat and Moisture Resistant: The material’s excellent resistance to both heat and humidity ensures long-lasting performance, even in challenging conditions.
• High Hardness and Strength: With a Shore hardness of 83D, this shaft is designed to be durable and reliable, providing a sturdy solution for your climate control repair.

Installation Instructions:

To install the replacement shaft, you may need to remove the faceplate of the AC climate control unit to clear away any broken remnants of the old shaft. Once the openings for the shaft are clear, you can reattach the faceplate and install the new temperature knob repair shaft.

Key Features:

• Direct Replacement: Fits early R129 AC climate control units perfectly, ensuring a quick and easy repair process.
• Restores Full Functionality: Corrects temperature adjustment issues and resolves the problem of a spinning knob.
• 3D Printed for Precision: Utilizes high-quality UTR Therm resin to simulate the thermal properties of engineering plastics, making it suitable for demanding applications.

Please Note: This replacement shaft is designed specifically for early R129 models and may require some disassembly of the AC control unit for installation.