Western Star Electronic Replacement Parts

Browse ECMs, ABS modules, control units, sensors and other electronic replacement parts for Western Star heavy-duty trucks. Search by OEM part number or filter by part type.

67 products

About Western Star Truck Parts

Truck Parts Care lists electronic and electrical replacement parts for Western Star heavy-duty trucks, including engine control modules, ABS control units, transmission and body control modules, emission electronics and sensors. These components are used across Western Star models such as the 4700, 4900 and 5700, but each part is identified by its own OEM or manufacturer part number.

How to find the right Western Star part

The most reliable way to find a replacement is to search the part number printed on the label of your existing component. Western Star trucks share many electronic components with other Daimler Truck North America models, but vocational builds vary widely. If the label is damaged or missing, send us your truck details and VIN and we can help you identify the correct number where possible.

Before you order

Check the condition, core deposit and programming information on each product page. Many electronic modules must be programmed or configured after installation, and some are sold with a refundable core charge. Use the category links above to narrow Western Star parts by part type, or contact us if you need help confirming compatibility.

Can't Find Your Part Number?

Send us the number from your existing component and your truck details. We'll check whether we can source a matching replacement.

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