| Product Line | Brakes |
| Category Name | Air Brake Valves |
| Part Type | ABS Relay Valve |
| Alternate Part Name | ABS Valve Modulator Package, ABS Axle Package, Rear ABS Valve Modulator, ABS Modulator Relay Valve |
| OEM Part Number | 4725001230 |
| ABS System Configuration | 4S/4M, 6S/4M |
| Application Type | Heavy Duty Truck, Trailer |
| Mounting Location | Rear Axle |
| Port 1 Thread Size | 1/2 - 14 NPTF |
| Port 2 Thread Size | 3/8 - 18 NTPF |
| Port 2.1 Thread Size | 1/2 - 14 NPTF |
| Port 2.2 Thread Size | 1/2 - 14 NPTF |
| Port 3 Thread Size | Exhaust |
| Port 4 Thread Size | 1/4 - 18 Dry Seal NPTF |
| Ports Thread Type | NPTF (Dry Seal) |
| Replaces Valve Models | 472 195 078 0 Modulator Valve, 472 195 079 0 Modulator Valve, 973 011 022 0 Relay Valve |
| Material | Metal Alloy |
| Internal Cavity Volume | 6.16 dm³ |
| Crack Pressure | 5.5 psi |
| Electrical Connector Type | DIN 72585-A1-3.1-Sn/K1 |
| Harness Connector Type | Bayonet-Style |
| Ingress Protection Rating (IP Code) | IP66, IP69K |
| Maximum Operating Pressure | 11.0 bar |
| Operating Temperature Range | -40 deg. C to +80 deg. C |
| Operating Voltage | 12 V |
| Response Pressure | 0.38 bar |
| Valve Function Type | Entire Package |
| Net Weight | 4.77 lb. |
| Cross References | 170950134ST, 472 500 123 0, 4725001230, 6300-4725001230, 63004725001230, 8235-S4725001230, 8235S4725001230, S472-500-123-0, S4725001230, TDAS4725001230, WAB4725001230 |
| Intended Application | - Integrates a service brake relay valve and two ABS modulator valves into a single assembly. Designed for rear axle ABS configurations and compatible with C, D, and E version ECUs.
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