Description
The 170.4006110340OE Wabco Tractor ABS Relay Valve delivers reliable Original Equipment performance for heavy-duty truck air brake systems. Additionally, WABCO engineers this OE relay valve to regulate air pressure between the tractor and trailer braking system while supporting proper ABS operation. As a result, it helps maintain safe, consistent braking performance under demanding operating conditions.
Furthermore, this OE tractor ABS relay valve provides the same quality, fit, and performance as the original factory-installed component. Moreover, its precision engineering helps ensure dependable brake response, long service life, and reliable operation in commercial trucking applications.
Because the ABS relay valve plays a critical role in the air brake system, replacing a worn or malfunctioning valve helps maintain proper brake timing and air pressure control. Therefore, fleets, repair facilities, and owner-operators can restore braking performance with confidence by installing a genuine WABCO replacement.
In addition, the 170.4006110340OE directly replaces several common WABCO and Meritor part numbers. Consequently, technicians can identify the correct replacement quickly during brake system maintenance.
Also, this relay valve supports universal heavy-duty truck applications. However, customers should verify OEM numbers, ABS configuration, and vehicle specifications before ordering. For this reason, confirming compatibility helps ensure proper installation and reliable operation.
Finally, choosing a genuine WABCO OE valve helps maintain factory braking performance while reducing the risk of compatibility issues with the vehicle’s ABS system.
Product Features
First, the 170.4006110340OE provides dependable OE braking performance. Additionally, WABCO manufactures this relay valve to meet strict Original Equipment specifications.
- Part Number: 170.4006110340OE
- Brand: WABCO
- Product Level: Original Equipment (OE)
- Product Type: Tractor ABS Relay Valve
- Application: Universal Heavy-Duty Trucks
- Designed for tractor air brake ABS systems
- Helps regulate brake air pressure
- Supports reliable ABS performance
- OE-quality construction
- Direct replacement design
- Weight: 1.96 lbs
- Package Dimensions: 7 × 6.75 × 5.25 inches
- Shipping: Parcel Friendly
- UPC: 889626735950
Benefits
Additionally, this OE relay valve restores factory braking performance. Furthermore, precise air pressure control helps improve ABS operation and braking consistency.
Moreover, genuine WABCO quality provides dependable durability in demanding commercial environments. As a result, fleets can reduce maintenance concerns and improve vehicle reliability.
Likewise, the direct replacement design simplifies installation. Therefore, technicians can complete repairs efficiently while maintaining OEM performance standards.
Applications for 170.4006110340OE Wabco Tractor ABS Relay Valve
Additionally, this valve fits:
- Universal heavy-duty truck applications
- Tractor air brake ABS systems
However, customers should always verify the OEM part number and brake system configuration before purchasing. Consequently, confirming compatibility helps ensure proper fitment and safe operation.
Cross References for 170.4006110340OE Wabco Tractor ABS Relay Valve
The 170.4006110340OE Wabco Tractor ABS Relay Valve replaces the following part numbers:
- WABCO: 4006110340
- WABCO: 4725000072
- WABCO: 9730110240
- Meritor: S4725000072
- Meritor: S9730110240
Why Choose MTC Truck Parts?
At MTC Truck Parts, we supply genuine OE and premium aftermarket heavy-duty truck parts for fleets, repair shops, and owner-operators throughout North America. Additionally, our inventory includes air brake valves, ABS components, suspension parts, steering products, electrical components, and thousands of replacement parts from trusted manufacturers like WABCO.
Furthermore, we focus on competitive pricing, fast shipping, and expert customer support. As a result, our customers receive dependable parts that help reduce downtime and keep commercial trucks operating safely.
Shop heavy-duty truck parts:
https://mtctruckparts.com/shop/
Learn more about commercial trucking:
https://www.trucking.org/

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