Milwaukee’s M12 Cordless Tire Inflator Keeps You From Being Stranded This Fall — Now 20% OffAutoblogAndrew KoopmanThu, September 17, 2026 at 8:00 AM UTCAdd us on GoogleAutoblog and Yahoo may earn commission from links in this article.A cordless tire inflator is one of those tools that can keep a minor inconvenience from turning into a much bigger problem. Fall is basically here, temperatures are about to start dropping, and that means tire pressures will start falling, too. Those annoying TPMS lights always seem to show up at the worst time, and having a portable tire inflator in the garage or vehicle can help you top off tires before you're stranded this fall, or even worse, dealing with low tire pressure in the middle of winter.The Milwaukee 18V Cordless Tire Inflator is currently on sale at Walmart for $168, 20% off its normal $211 price tag. Keep in mind that batteries are sold separately, so this deal makes the most sense for anyone who already uses Milwaukee M18 tools or plans to buy into the platform. Milwaukee says this is its fastest 18V cordless tire inflator, and it's optimized for passenger vehicles, light trucks, and other medium-duty tires.Milwaukee 18V Cordless Tire Inflator, $168 (was $211) at WalmartMilwaukee 18V Cordless Tire Inflator, $168 (was $211) at WalmartCheck PriceThe inflator is rated for up to 150 psi and can top off even bigger truck tires in under one minute, according to Milwaukee. The brand's TrueFill technology is designed to wait for pressure to stabilize, check the system pressure, and keep filling until the selected target is reached. Auto shut-off helps prevent overinflation, while four memory slots let you save frequently used pressures.AdvertisementAdvertisementIt also includes anti-vibration feet, a 36-inch hose, an all-brass Schrader chuck, onboard hose and nozzle storage, an inflation needle, an inflator nozzle, and a Presta chuck. For fall tire-pressure changes, winter readiness, garage use, and roadside peace of mind, this is a strong Milwaukee deal at 20% off.Related: DeWalt's 'foolproof' 20V Max cordless tire inflator that's 'well-built and dependable' is 30% off right now"It is so much better than the cheaper alternatives I've had before," said one happy user. "It has a programmable screen with the ability to save multiple tire pressure settings, and it works great if you are already well-invested in the Milwaukee battery system."Another buyer commented, "If you already have Milwaukee tools and batteries, this inflator is a no-brainer. It's like having a compact, portable air compressor. You'll use it more than you think, it's not just for emergencies!"Deals We're LovingMilwaukee M18 RedLithium High Output XC 6.0Ah Battery Starter Kit, $200 (was $349) at WalmartMilwaukee M12 Fuel Two-Tool Combo Kit, $195 (was $249) at WalmartMilwaukee 18V Cordless Drill/Driver Kit, $129 (was $170) at WalmartAdvertisementAdvertisementDiscounts on name brand tools never seem to last, so head over to Walmart's site today and get your hands on the Milwaukee 18V Cordless Tire Inflator for only $168 while it's still on sale for 20% off.This story was originally published by Autoblog on Sep 17, 2026, where it first appeared in the Deals section. Add Autoblog as a Preferred Source by clicking here.