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About Alliant Power

We keep your diesel engines running strong. We provide top-notch aftermarket parts for fuel injection, air intake, and aftertreatment systems. Whether you need parts for a light-duty truck or a massive industrial engine, we have you covered. Our parts match OE quality and often come with complete installation kits for a smooth repair.

We are your critical engine component experts!

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Our Parts

Reduce sourcing and downtime with Alliant Power’s comprehensive one-stop shop of OEM and new & remanufactured parts for all light duty, medium and heavy duty, off-highway and marine applications.

We’ve grown into the industry leader in fuel system, turbo system and engine management system solutions. We provide premium solutions through authorized repair, remanufacturing and distribution.

Equipping Repair Shops for Success: Today and Tomorrow

At Alliant Power, we’re not just about meeting your needs today – we’re invested in your future success. We continuously strengthen our foundation, adapting to industry advancements so you can stay ahead of the curve.

Your Partner in a Changing Landscape

We understand the repair industry is constantly evolving. That’s why we’re committed to being your reliable solution. We offer the latest parts, technical expertise, and resources to help your shop thrive in a changing environment.

From Local Service Center to National Leader

Our journey began in 1961 as Diesel Injection Service (DIS), a fuel injection rebuild service center in South Central Wisconsin. Over the decades, we’ve grown into a leading national distributor of critical engine components.

Investing in the Communities We Serve

At Alliant Power, we believe in being responsible stewards in the communities where we live and work. This social responsibility fuels our commitment to giving back in four key areas:

  • Ethics— We will always conduct business with integrity and respect. Alliant Power promotes safety, respect for our employees, customers and suppliers. We work diligently to honor our internal policies, respect the law and maintain transparency and collaboration in our partnerships.
  • Environment— Alliant Power recognizes the need to protect the natural environment. We will follow best practices for recycling, conserving energy, using environmentally friendly technologies and products, and donating to organizations that work to protect our resources.
  • Philanthropy— We are committed to donating a portion of our net income to support non-profit organizations whose mission is to care for children, support veterans, and encourage athletics in our communities.
  • Volunteering— Alliant Power encourages our employees to volunteer. Volunteering can be done through company-organized programs or individual efforts. This has taken the form of serving meals at the local Ronald McDonald House or biking to raise money for healthy meals for those in need.