Description
ABS VALVE (1030 AIR PORTION ONLY)
PART NUMBER(S):
Fleet Products: S400 850 6020-G | OE: S4008506020, S4008506027 | Automann: 170.4008506020
DESCRIPTION:
Model: WABCO 1030 ABS Air Modulator
Vehicles: Great Dane Trailers, Freightliner, Kenworth, Volvo
• Control Port: 1/4” – 18 NPT
• Delivery Ports: Four (4) – 3/8” – 18 NPT
• Supply Ports: Two (2) – 3/4” – 14 NPT
• Voltage: 12V DC
• System Type: Air Portion Only (No ECU)
• Weight: Approx. 14 oz
• Operating System: TCSII 2M, WABCO 1030 ABS configuration
• Installation Orientation: Compatible with standard trailer-mounted ABS valve bracket
Applications:
Designed for use in heavy-duty trailer ABS systems utilizing the WABCO 1030 modulator design. Replaces air control portion only—ideal for fleet trailer ABS maintenance or retrofit in two-modulator (2M) trailer ABS systems. Common on Great Dane, Utility, and other commercial trailers with 12V ABS.
CROSS-REFERENCE(S):
S4008506020, S4008506027, 4008506020, S400-850-602-0, S400 850 602 0, S400 850 602 7, S400 500 850, WAB4008506020, MERS4008506020, TDAS4008506020, TDAS4008506027, 8235S4008506020, 8235S4008506027
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Professional installation recommended—component is critical to ABS system function
✔ Confirm match with 1030-style trailer ABS valve configurations
✔ This version is the air portion only—ECU not included
✔ No core required; ready for direct fit OEM replacement
✔ Check trailer brake timing and delivery performance post-installation
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Warranty Information
