Replacement oxygen sensor for Robinair R-1234yf machines and refrigerant identifiers. Your 1234yf machine or identifier should provide advance notice when the oxygen sensor is nearing the end of its lifespan.
Oxygen sensor replacement is required to return machine to normal operation. If the oxygen sensor expires, neither the integrated identifier, nor the machine, is able to recover or add refrigerant to the internal tank.
See Owner’s Manual Maintenance section for instructions on how to replace oxygen sensor.
Replacement For These RRR Machines:
- AC1234-4
- AC1234-4SL
- AC1234-4-230
- AC1234-6
- AC1234-9
- 16990/16995 Refrigerant identifier
Genuine Robinair Parts & Accessories: This item has been tested and validated by our engineers. Buying genuine Robinair replacement parts, accessories, and maintenance items is the best way to ensure proper operation and service life of your RRR cart.
At HD Truck Source, we ensure your orders are shipped promptly and securely.
Estimated Shipping Times
Standard Shipping Times: 1-5 Business Days
We currently ship within the continental United States only and do not deliver to PO Boxes or internationally.
For more details, please visit our Shipping Policy page.
At HD Truck Source, we prioritize your satisfaction with our 30-Day Money-Back Guarantee.
Items must be new, unused, and in original packaging.
Refunds are processed within 10 business days upon receipt of returned items.
Defective and non-defective items are eligible for returns or exchanges.
For complete details on Returns and Refunds, kindly visit our Refund Policy page.
Need assistance? The HD Truck Source team is here to help!
- Trade Name: HD Truck Source
- Company Number: 802947818
- Business Address: 1224 Baldwin Road, Lapeer, Michigan 48446, United States
- Phone Number: +1 (800)-956-7235
- E-mail: sales@hdtrucksource.com
- Business Hours: Monday-Friday 9am-5pm
