


Coats 81855851 Air Valve for Robo-Arm OEM
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Coats 81855851 Air Valve for Robo Helper Arm Control
Your Robo Helper Arm is only as good as the valve controlling it. When that hand valve gets sticky or wears out, precise arm control turns into guesswork, and guesswork on a tire changer costs you time on every job.
The Coats 81855851 Air Valve is the OEM hand-controlled valve built specifically for the Robo Helper Arm on APX and select Baseline tire changers. It also fits the Coats 550 Heavy Duty Tire Lift, so if you're running more than one piece of Coats equipment, this part covers you across the shop. The handle is included, so you get smooth, comfortable control right out of the box. No aftermarket guesswork, no compatibility questions. It's the same valve Coats built into the equipment, made from metal and plastic components that hold up under daily shop use.
Buying OEM here matters. A generic valve might fit close enough, but "close enough" isn't what you want on a component you're actuating dozens of times a shift. Order the exact part number your machine calls for and get back to changing tires instead of troubleshooting air controls. GSG keeps OEM Coats parts like this one in stock and ready to ship, so downtime waiting on a valve doesn't turn into downtime waiting on a supplier.
Specifications
| GSG Part Number | 81855851 |
| OEM Part Number | 550HV-APX |
| Product Type | Hand Controlled Air Valve |
| Compatibility | Robo Helper Arm on APX and Baseline Tire Changers, Coats 550 Heavy Duty Tire Lift |
| Material | Metal and plastic components |
| Operation | Hand-controlled |
| Weight | 1.5 lbs |
Ready to Order
The exact valve your Robo Helper Arm needs, in stock and ready to ship. Add it to your cart and get your tire changer back to full control.
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