Infladores de neumáticos para vehículos recreativos

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Maintaining correct tire pressure is one of the most straightforward things you can do to improve safety, fuel efficiency, and tire longevity on your RV. Tires lose pressure naturally over time, and temperature changes can cause pressure to drop faster than expected. Having a reliable inflator on hand means you can check and correct tire pressure wherever you are, without depending on finding an air station at the campground.

Our selection features Viair portable tire inflators, with models available to suit Class A, Class B, Class C, and towable RVs. Choosing the right model depends on your RV class and the tire size you need to inflate. Check your RV class and maximum tire pressure requirements before selecting the correct Viair model for your setup.

What size RV tire inflator do I need for my motorhome or trailer?

Match the inflator's maximum PSI rating to your tire's cold inflation pressure listed on the sidewall. Class A motorhomes with 22.5-inch tires typically run 100-120 PSI, so look for an inflator rated to at least 150 PSI to give yourself working headroom. Travel trailers and Class B/C rigs on LT or ST tires usually run 65-110 PSI and work fine with a standard 150 PSI 12V inflator. Confirm the duty cycle as well; tires this large take longer to fill than passenger car tires.

Can I use a regular car tire inflator on RV tires?

Most passenger car inflators top out at 100 PSI and have short duty cycles, which makes them undersized for large RV tires. An RV-rated inflator delivers higher pressure, a longer duty cycle, and a longer hose to reach dual rear tires. If you tow a trailer behind your tow vehicle, an RV inflator handles both jobs while a car unit will struggle with the trailer's higher PSI requirements.

Do RV tire inflators work with tire pressure monitoring systems (TPMS)?

Yes. Inflators in this collection work alongside TPMS sensors without interference, since the sensor reads pressure inside the tire while the inflator fills through the valve stem. If you run external screw-on TPMS caps, unscrew the cap, inflate to your target PSI, then reinstall the sensor and verify the reading. Pair an inflator with seasonal maintenance items from our RV winterizing kits collection to keep your rig road-ready year-round.

How often should I check and inflate my RV tires?

Check cold tire pressure before every trip and at least once a month during storage. RV tires lose 1-2 PSI per month from natural permeation, and underinflation is the leading cause of blowouts on heavy rigs. Keep an inflator stored with your other chassis maintenance gear alongside RV stabilizers so pre-trip checks become routine.