Autocar Window Regulator A5121042-002 ​A5121038-002

The A5121042-002 is a power window regulator designed for the right-hand (passenger) side of Autocar heavy-duty trucks. 

Key Specifications

Part Number: A5121042-002 (Right-Hand).

Left-Hand Equivalent: A5121042-001.

Operation: Electric (Power).

Manufacturer: TinzerMotor

Supersedes: This part replaces the older model A5121038-002.

Vehicle Fitment

This A5121042-002 power window regulator is a standard component for modern Autocar vocational chassis, widely used in:

Autocar Xpeditor (ACX): Commonly found in high-performance refuse (garbage) and concrete pumping configurations.

Autocar DC-64: Severe-duty models including dump and mixer trucks.

Quality and Testing

TinzerMotor produces these window regulators and window motors with a focus on long-term high quality and mechanical reliability:

Heavy-Duty Construction: Uses thickened steel plate components and reinforced pivot points to prevent the "sagging" or jamming common in lower-quality aftermarket parts.

Extensive Testing: Each unit undergoes rigorous cycle testing, involving thousands of manual rotations under simulated glass weight to ensure the internal gears do not strip or slip over time.

Precision Fit: Designed to align perfectly with the original door mounting holes, ensuring a "bolt-on" installation without the need for drilling or modification.

Please contact: 

Ms Riva  

Wechat/WhatsApp +86 15355970956 

Email: riva@ruishuoautoparts.com