The Midland Haldex AQ965004 is a 4-sensor/2-modulator Full Function ABS (FFABS) kit designed for tandem trailer axle applications. The system uses a 2-port FFABS spring brake priority valve combined with a 2-port relay ABS valve, providing wheel-speed sensing and modulation across both trailer axles. The ECU and valve assembly carries OEM part number N9004BB, with an additional OEM reference of SN2635D. Kit contents include a 6.0m power cord extension, a 2.0m relay valve cable, 1.5m and 2.5m sensor extension cables, hose clips, and cable grips. A genuine Midland Haldex part from Pro Gear and Transmission. Call us to confirm proper fit for your trailer application.
Features
4-sensor/2-modulator (4S/2M) Full Function ABS (FFABS) configuration
Designed for tandem trailer axle applications
2-port FFABS spring brake priority valve with 2-port relay ABS valve
ECU/valve OEM part number N9004BB; OEM reference SN2635D
Kit includes 6.0m power cord extension and 2.0m relay valve cable
Sensor extensions (1.5m and 2.5m), hose clips, and cable grips included
Tech Specs
- Valve Type: 2-Port FFABS Spring Brake Priority, 2-Port Relay ABS
- Application: Tandem Trailer Axles
- ECU/Valve OEM Part Number: N9004BB
- OEM Number: SN2635D
- Kit Contents: 6.0m Power Cord Extension, 2.0m Relay Valve Cable, 1.5m and 2.5m Sensor Extensions, Hose Clips, Cable Grips
