Chino Muffler

Guard Engine Oil Inc is a veteran-owned American company based in Prescott, AZ, specializing in high-quality engine lubricants and transmission fluids. Their products, including universal coolant, universal ATF, diesel oil, full synthetic, and synthetic blend, are produced to meet the new API SPGF-6 specifications. With over 100 authorized dealers, their customers have praised the superior performance of Onguard Engine Oil, noting increased horsepower, smoother running engines, and extended drain intervals. Customers have also appreciated the excellent service provided by the company, with their sales representatives regularly checking in and offering support. The consignment program and rebate program have made the cost of Onguard products competitive with other suppliers, while the bitterment addition to their Universal Gold Coolant has been praised for protecting pets. With positive testimonials from auto repair shops and satisfied customers, Onguard Engine Oil has established itself as a reliable and trusted brand in the oil industry.Generated from the website

Publicly available to all customers.