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Diamond Advantage
Diamond Advantage offers high-quality parts that are competitively priced and built on more than 100 years of Navistar® experience. That’s what sets Diamond Advantage apart — and keeps drivers ahead of the pack for the long haul. All Diamond Advantage parts are backed by Navistar and provide long-lasting quality and dependability. In addition, Diamond Advantage offers a two-year, unlimited mileage warranty with labor coverage, so customers can enjoy peace of mind.

More About Diamond Advantage

Diamond Advantage is an all-makes diesel engine parts business for Class 2–5 vehicles. Primary engines for these parts include Ford Power Stroke® Diesel, GM Duramax and Dodge Ram Cummins®. Diamond Advantage offers high-quality parts that are competitively priced and built on more than 100 years of Navistar® experience. That’s what sets Diamond Advantage apart — and keeps drivers ahead of the pack for the long haul. All Diamond Advantage parts are backed by Navistar and provide long-lasting quality and dependability. In addition, Diamond Advantage offers a two-year, unlimited mileage warranty with labor coverage, so customers can enjoy peace of mind.
• Stock Replacement Engines: Find reliable stock replacement options for seamless engine swaps. These engines are built to factory specifications, ensuring compatibility with your vehicle's systems. Perfect for restoring original performance and reliability. • Performance Long Blocks: Elevate your vehicle's performance with our performance-oriented long block options. These assemblies include essential components like cylinder heads, crankshafts, and camshafts, carefully designed to enhance horsepower, torque, and overall engine efficiency. • Performance Short Blocks: For those looking to build their own custom engine, our performance short blocks provide a solid foundation. These blocks come with the essential lower-end components, allowing you to add your choice of cylinder heads, camshafts, and other performance parts. • Enhanced Reliability and Power: Our selection includes options for those seeking improved durability and power. Whether it's a stronger bottom end for high-performance applications or a more efficient design for daily driving, we have solutions that cater to various needs. • Quality and Compatibility: Every engine, long block, and short block in our inventory is sourced from trusted manufacturers known for their quality and reliability. We prioritize compatibility, ensuring a seamless fit into your vehicle's engine bay. • Expert Guidance: Our team of experts is here to guide you through the selection process. Whether you're seeking a direct replacement or planning a performance upgrade, we can help you choose the right option based on your goals, budget, and vehicle specifications. Experience improved performance, reliability, and power with our extensive range of complete engines, long blocks, and short blocks. No matter your requirements, we're dedicated to providing the right solutions to enhance your driving experience.