![]() ![]() Stems should also be inspected anytime a tire is balanced, repaired orĭismounted. Loads and extreme operating environment," said Magoulick.ĭealers should always replace the valve stem when replacing a tire. TruckĪpplications are even more demanding because of the miles driven, heavy Tires last a long time - up to six, eight or even 10 years. ![]() Last? The life of the rubber is determined by time and temperature. "A no-name valve stem may look and fit okay today, but how long will it Who's going to stand behind it if there's a problem?" asks Prinzo. If there's no identification on the valve, You don't see a manufacturer's logo or country of origin on the product, Norm Prinzo and Dave Magoulick of the Akron-based Myers Tire Supply "If People should watch out for no-name valve stems, according to You should also ask ifĬompany that manufacturers the valve stem is QS9000 or ISO9000 certified -īoth of which require meeting stringent quality control standards, If their product meets the SAE 1205-1206 standard. Standards for valve stem dimensional tolerances, but the group does notīuying a quality valve stem? Banzanhof says to ask the valve stem supplier The Tire & Rim Association publishes a yearbook that lists Unfortunately, there are no government standards that apply to valve Rubber valve stems dry out, he says, becoming hard and brittle, allowing No vehicle manufacturer will accept a valve stem that doesn'tīanzanhof cautions that using valve stems made from low quality Requirements, which is a standard created by the Society of AutomotiveĮngineers. "The materials they are using will not pass the SAE 1205-1206 ozone Resists ozone and chemical attack that deteriorates natural rubber. Natural rubber, and remains flexible in the coldest weather. EPDM has a much broader temperature range than Of natural rubber rather than EPDM, a tougher synthetic rubber used in Okla., a manufacturer of OE valve stems, says many import stems are made But the price does reflect the underlying quality.įrank Banzanhof of Schrader Bridgeport International Inc., Muskegee, maybe 11 to 12 cents each for "no-name" imported stems in bulk (NOTE: these are wholesale prices).įor grommet-style truck valve stems, a quality brand may sell for $1 each compared to 60 cents or less for a no-name brand.Ī few cents difference in price may not seem like much, especially when most parts stores and tire dealers charge $2.50 or more to their customers for an installed valve stem. Typically cost from 16 to 25 cents per piece in bulk quantity vs. Stems from reputable suppliers for passenger car/light truck applications Long-term reliability of some of these valve stems. Yet many peopleĭon't realize there is a difference - a huge difference - in the That don't stand up well to ozone, heat and cold over time. Zimmerman says many of these products are made of inferior materials Valve stems that are coming in from offshore manufacturers. Safety issues facing our industry today, he says, is cheap, low quality So the only difference they see is the price. To most people, a valve stem is a valve stem - they all look the same Manufacturing in Akron, Ohio, a supplier of tire repair products and "Though the valve stem is the least expensive component in a tire/wheelĪssembly, it's also the most important," says Steve Zimmerman of Tuffy Speed during hot weather or when a vehicle is heavily loaded. A low tire is a dangerous tire, especially when driving at high The valve core, the loss of air pressure can cause the tire to run hot or The valve stem doesn't seal properly and leaks air at the base or thorough The valve stem is what keeps the air in the tire. But one item most of these reports have not touched upon is the To the issue of tire safety and the various factors that can cause a tire ![]() The consumer media has given a great deal of ink and air-time recently What You Should Know About Tire Valve StemsĪuto Repair Library, Auto Parts, Accessories, Tools, Manuals & Books, Car BLOG, Links, Index ![]()
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