Hot Shot’s Secret launches Ultra Premium DEF
Hot Shot’s Secret has introduced Ultra Premium DEF, a next-generation diesel exhaust fluid designed to stabilize DEF, clean SCR systems and prevent crystal buildup. The product will roll out soon at O’Reilly Auto Parts stores nationwide as diesel owners look for fewer fault codes and less downtime.
Why it matters: - SCR-related fault codes can lead to downtime, lost revenue and costly repairs for diesel operators. - Ultra Premium DEF is designed to improve reliability and provide long-term Selective Catalytic Reduction system protection. - The product can help clear many DEF and SCR OBD trouble codes, including P20EE, P20EF, P204F, P207F, P20E8 and P218F, when used as directed.
What happened: - Hot Shot’s Secret introduced Ultra Premium DEF, a next-generation diesel exhaust fluid with patent-pending additive technology. - The launch was announced Sept. 1, 2026, from Mt. Gilead, Ohio. - The first rollout at O’Reilly Auto Parts stores nationwide is set to begin soon.
The details: - Ultra Premium DEF is built to stabilize fluid, help clean the SCR system and protect against crystal buildup. - Hot Shot’s Secret says the product incorporates its patent-pending Premium DEFender technology directly into the fluid. - Ultra Premium DEF is API-certified DEF and is recommended for diesel vehicles and equipment with SCR systems, including pickups, cars, vans, semi-trucks, agricultural equipment, construction equipment and industrial applications. - The product uses high-grade synthetic urea and is triple-filtered for purity. - Hot Shot’s Secret says the product exceeds industry standards for DEF fluid. - The company also pointed readers to a video for more information and to HotShotSecret.com for its full line of diesel products.
Between the lines: - Hot Shot’s Secret is positioning Ultra Premium DEF as more than a commodity fluid, with the pitch centered on system protection and performance support. - The O’Reilly Auto Parts partnership gives the launch national retail reach from the start. - Lubrication Specialties President Brett Tennar said the company’s broader work across oils, greases, specialty products and maintenance solutions supports its diesel expertise.
What's next: - Ultra Premium DEF will reach O’Reilly Auto Parts stores nationwide in the initial rollout. - Hot Shot’s Secret said customers can follow company and product updates on Facebook, Instagram and other social channels. - More product information is available through the company’s announcement video, HotShotSecret.com and by calling 800.341.6516.
The bottom line: - Hot Shot’s Secret is betting that a DEF product with added cleaning and protection features will resonate with diesel owners facing SCR maintenance headaches.
Disclaimer: This article was produced by AGP Wire with the assistance of artificial intelligence based on original source content and has been refined to improve clarity, structure, and readability. This content is provided on an “as is” basis. While care has been taken in its preparation, it may contain inaccuracies or omissions, and readers should consult the original source and independently verify key information where appropriate. This content is for informational purposes only and does not constitute legal, financial, investment, or other professional advice.
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