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two-thirds default copy"><h1 class="p1">CountryMark Advantage<sup>TM</sup><br /> Lubricants Diesel Engine Oil</h1> <p>CountryMark makes a range of hardworking diesel oils for hardworking diesel engines. Key features include exceptional protection that minimizes soot-related abrasive wear and offers outstanding cylinder, bearing and wear results. Enhanced soot control further reduces engine wear and extends engine life. Our diesel engine oils are also formulated with advanced technology to extend oil drain intervals, provide faster lubrication during cold starts, and maximize engine performance.</p> </div><div class="grid-item third image align-right default"><a target="_blank" href="https://www.countrymark.com/wp-content/uploads/2024/10/advantage_logo-01-1.png"><img decoding="async" data-src="https://www.countrymark.com/wp-content/uploads/2024/10/advantage_logo-01-1.png" alt="" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" class="lazyload" style="--smush-placeholder-width: 276px; --smush-placeholder-aspect-ratio: 276/217;"></a></div> </div> </div> </section><section data-block-name="no-name" class="block core-block block--no-name"><div class="container"><div class="row"><div class="grid-item full"> </div></div></div></section> <style type="text/css"> #block_6a4787859111f9ed8c19b22361051706 { padding-bottom: 50px; } </style>  <section id="block_6a4787859111f9ed8c19b22361051706" class="block block--custom-content bg-white " style="background-image: url('');"> <div class="container"> <div class="row top hor-align-left no-border " data-gutter="0"> <div class="grid-item full video"><iframe title="Warsaw Community Schools Testimonial - Advantage Lubricants" width="640" height="360" data-src="https://www.youtube.com/embed/aQyX5jU8SFg?start=12&feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" class="lazyload" data-load-mode="1"></iframe></div> </div> </div> </section><section data-block-name="no-name" class="block core-block block--no-name"><div class="container"><div class="row"><div class="grid-item full"> </div></div></div></section> <style type="text/css"> #block_c7cfaba29ce18eda04e588bcd19b4bbc { padding-bottom: 25px; } </style>  <section id="block_c7cfaba29ce18eda04e588bcd19b4bbc" class="block block--custom-content bg-white " style="background-image: url('');"> <div class="container"> <div class="row top hor-align-left no-border " data-gutter="0"> <div class="grid-item full default copy"><h2 class="p1">Full-Synthetic Diesel Engine Oil</h2> <p class="p1">CountryMark Advantage™ Full-Synthetic Heavy-Duty Diesel Engine Oil is a unique formulation that offers outstanding wear protection, consumption control and extended-drain technology. Compared to conventional oils, it delivers greater than 2 percent fuel economy under all driving conditions. Count on its added varnish and sludge protection to keep engines clean.</p> <p class="p1"><i>Available in: SAE 5W40</i></p> </div> </div> </div> </section><section data-block-name="no-name" class="block core-block block--no-name"><div class="container"><div class="row"><div class="grid-item full"> </div></div></div></section> <style type="text/css"> #block_32955eb33aa1fd6f464bc08fdf88751a { padding-bottom: 25px; } </style>  <section id="block_32955eb33aa1fd6f464bc08fdf88751a" class="block block--custom-content bg-white " style="background-image: url('');"> <div class="container"> <div class="row top hor-align-left no-border " data-gutter="0"> <div class="grid-item full default copy"><h2 class="p1">Synthetic-Blend Diesel Engine Oil</h2> <p class="p1">CountryMark Advantage Synthetic-Blend Heavy-Duty Diesel Engine Oil is designed to help meet the latest government regulations requiring improved fuel-efficiency performance, and it surpasses the performance of API CJ-4 lubricants. As for outstanding wear protection, oil consumption control and extended-drain technology, that goes without saying.</p> <p class="p1"><i>Available in: SAE 10W30</i></p> </div> </div> </div> </section><section data-block-name="no-name" class="block core-block block--no-name"><div class="container"><div class="row"><div class="grid-item full"> </div></div></div></section> <style type="text/css"> #block_9f4635159ed5e6fb84a8b99f7fba3799 { padding-bottom: 25px; } </style>  <section id="block_9f4635159ed5e6fb84a8b99f7fba3799" class="block block--custom-content bg-white " style="background-image: url('');"> <div class="container"> <div class="row top hor-align-left no-border " data-gutter="0"> <div class="grid-item full default copy"><h2 class="p1">Heavy-Duty Diesel Engine Oil</h2> <p class="p1">Looking for a conventional, non-synthetic option to meet your needs? We’ve got that, too. Use our Advantage Heavy-Duty Diesel Engine Oil and expect the excellent levels of protection and performance that go along with the name CountryMark.</p> <p class="p1"><i>Available in: SAE 15W40</i></p> </div><div class="grid-item full cc-btns"><ul class="btns"><li><a target="" class="btn btn-primary" href="/products/lubricants/safety-data-sheets/">See Our Diesel Oil Safety Data Sheets</a></li></ul></div> </div> </div> </section><section data-block-name="no-name" class="block core-block block--no-name"><div class="container"><div class="row"><div class="grid-item full"> </div></div></div></section> <style type="text/css"> #block_1ee9c3a98bc0eb0faf48e2a3c25afc99 { padding-top: 100px; } #block_1ee9c3a98bc0eb0faf48e2a3c25afc99 { padding-bottom: 80px; } </style>  <section id="block_1ee9c3a98bc0eb0faf48e2a3c25afc99" class="block block--custom-content bg-white lazyload" style="background-image:inherit;" data-bg-image="url('https://www.countrymark.com/wp-content/uploads/2024/08/CTABG.jpg')"> <div class="container"> <div class="row center hor-align-center no-border " data-gutter="0"> <div class="grid-item full font-white copy"><h2 class="p1" style="text-align: center;">Find a dealer near you.</h2> </div><div class="grid-item full cc-btns"><ul class="btns"><li><a target="" class="btn btn-secondary" href="/find-a-dealer/">Dealer Locator</a></li></ul></div> </div> </div> </section> </div> </main>  <div class="search-modal"> <div class="search-modal-mask"></div> <span class="fa-solid fa-xmark-large close-search"></span> <div class="search-modal-display"> <h3 class="search-title h1">Let’s find what you’re looking for.</h3> <h4>SEARCH</h4> <div class="search-form"> <form method="get" id="searchform" class="searchform" action="https://www.countrymark.com/"> <label class="search-form--label" for="s" aria-labelledby="search-label"> <input class="search-input" type="text" value="" name="s" id="s" placeholder="Keyword" /> <button type="submit" name="submit" class="searchform__submit"><span class="fa-regular fa-magnifying-glass"></span></button> </label> <span title="Close Search" class="clear fa-regular fa-xmark"></span> </form> </div> </div> </div> <footer> <div class="container"> <div class="row footer-menu"> <div class="grid-item full"> <div class="menu-footer-menu-container"><ul id="menu-footer-menu" class="menu"><li id="menu-item-145" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-145"><a href="https://www.countrymark.com/products/fuels/">Fuels</a></li> <li id="menu-item-144" class="menu-item menu-item-type-post_type menu-item-object-page current-page-ancestor menu-item-144"><a href="https://www.countrymark.com/products/lubricants/">Lubricants</a></li> <li id="menu-item-146" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-146"><a href="https://www.countrymark.com/about-us/contact-us/">Contact Us</a></li> <li id="menu-item-143" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-143"><a href="https://www.countrymark.com/about-us/vendor-information/">Vendor Information</a></li> <li id="menu-item-148" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-148"><a href="https://www.countrymark.com/crude-oil/">Crude Oil</a></li> <li id="menu-item-149" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-149"><a href="https://www.countrymark.com/commercial-fuel-services/">Commercial Fuel Services</a></li> <li id="menu-item-142" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-142"><a href="https://www.countrymark.com/about-us/refinery-2/pipeline-emergency/">Pipeline Emergency</a></li> <li id="menu-item-615" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-615"><a target="_blank" href="https://countrymark.slyfoxcreative.com/">Shop</a></li> </ul></div> </div> </div> <div class="row"> <div class="grid-item half left-align"> <div class="footer-contain"> <div class="logo"> <div class="logo"> <a href="/" title="Home"><img data-src="https://www.countrymark.com/wp-content/uploads/2024/08/CMC_4c_horz_white_letters.png" alt="Header Logo" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" class="lazyload" style="--smush-placeholder-width: 178px; --smush-placeholder-aspect-ratio: 178/55;"></a> </div> <div class="copyright"><p>©2024 Countrymark Cooperative Holding Corp. 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