# Highway and Heavy Parts \| Diesel Engine Parts: A leading provider of quality diesel engine parts\.

> Shop HHP \- quality diesel engine parts for heavy\-duty trucks, construction, oil and gas, and ag equipment\. Great prices, fast shipping, ASE Certified Techs\.

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## Pages
- [Home Page](https://highwayandheavyparts.com/)
- [How Faster Shipping Helps Reduce Diesel Engine Downtime](https://highwayandheavyparts.com/reduce-diesel-engine-downtime/)
- [Get a Quote](https://highwayandheavyparts.com/get-a-quote/)
- [HHP Black Series](https://highwayandheavyparts.com/hhp-manufactured-parts/)
- [GARRETT TURBOCHARGERS](https://highwayandheavyparts.com/garrett-turbochargers/)

## Posts
- [How to Perform a Diesel Engine Valve Adjustment \(Overhead Set and Injector Adjustment\)](https://highwayandheavyparts.com/blog/how-to-perform-diesel-engine-valve-adjustment/)
- [How to Flush and Refill a Diesel Engine Cooling System the Right Way](https://highwayandheavyparts.com/blog/how-flush-diesel-cooling-system/)
- [Do You Need School to Become a Diesel Mechanic?](https://highwayandheavyparts.com/blog/do-you-need-school-to-become-a-diesel-mechanic/): Thinking about becoming a diesel mechanic? Learn whether you need trade school, what employers look for, the value of ASE certifications, and how education and real\-world experience work together to build a successful diesel technician career\.
- [Why Summer Heat Is Harder on Diesel Engines Than You Think](https://highwayandheavyparts.com/blog/summer-heat-diesel-engine-problems/): Summer can be just as demanding on a heavy\-duty diesel engine as winter—sometimes even more so\. High temperatures increase stress on the cooling system, engine oil, turbocharger, fuel system, and aftertreatment components, often exposing small maintenance issues before they become major repairs\. Learn why diesel engines work harder in the summer and discover practical maintenance tips to help improve reliability, prevent overheating, and keep your truck performing its best all season long\.
- [The History of the Diesel Engine: How Rudolf Diesel Changed the World](https://highwayandheavyparts.com/blog/history-of-the-diesel-engine/): From Rudolf Diesel's first successful engine in 1897 to today's advanced heavy\-duty engines, explore the history of diesel technology and the invention that transformed transportation and industry\.

## Products
- [Cummins Manifold Bolt, New \(3631163\)](https://highwayandheavyparts.com/product/cummins-manifold-bolt-new-3631163/)
- [Cummins Turbocharger Boot, New \(3651300\)](https://highwayandheavyparts.com/product/cummins-turbocharger-boot-new-3651300/)
- [Cummins Gasket, New \(207535\)](https://highwayandheavyparts.com/product/cummins-gasket-new-207535/)
- [Cummins Turbocharger Clamp, New \(3029631\)](https://highwayandheavyparts.com/product/cummins-turbocharger-clamp-new-3029631/)
- [Cummins Rubber Boot, New \(4924788\)](https://highwayandheavyparts.com/product/cummins-rubber-boot-new-4924788/)

## Categories
- [Blog \- All HHP Blog Articles](https://highwayandheavyparts.com/category/all-blog-articles/)
- [Blog \- Diesel Engine News \& Updates](https://highwayandheavyparts.com/category/diesel-news-updates/)
- [Diesel Tips and Diagnostics](https://highwayandheavyparts.com/category/diesel-tips-and-diagnostics/)
- [Caterpillar Engine Parts \& Heavy\-Duty Components](https://highwayandheavyparts.com/category/caterpillar/)
- [Blog \- Diesel Engine Tech Tips](https://highwayandheavyparts.com/category/tech-tips/)

## Tags
- [Diesel Diagnosis](https://highwayandheavyparts.com/tag/diesel-diagnosis/)
- [Tech Tips](https://highwayandheavyparts.com/tag/tech-tips/)
- [Product Highlight](https://highwayandheavyparts.com/tag/product-highlight/)
- [Ask The Experts](https://highwayandheavyparts.com/tag/ask-the-experts/)
- [Fuel Injector](https://highwayandheavyparts.com/tag/fuel-injector/)

## Product categories
- [Interstate McBee Parts](https://highwayandheavyparts.com/product-category/vendor-categories/interstate-mcbee-parts/)
- [Caterpillar](https://highwayandheavyparts.com/product-category/caterpillar-heavy-duty-diesel-engine-parts/)
- [Gaskets](https://highwayandheavyparts.com/product-category/shop-hhp-diesel-parts-all-gaskets/)
- [Cummins](https://highwayandheavyparts.com/product-category/cummins-heavy-duty-diesel-engine-parts/)
- [Miscellaneous](https://highwayandheavyparts.com/product-category/shop-hhp-diesel-parts-all-miscellaneous/)

## Product tags
- [Engine Serial Number](https://highwayandheavyparts.com/product-tag/engine-serial-number/)
- [Package Qty: 1](https://highwayandheavyparts.com/product-tag/package-qty-1/)
- [Rod Bearing Sizes](https://highwayandheavyparts.com/product-tag/rod-bearing-sizes/)
- [Main Bearing Sizes](https://highwayandheavyparts.com/product-tag/main-bearing-sizes/)
- [core](https://highwayandheavyparts.com/product-tag/core/)

## Product shipping classes
- [Standard](https://highwayandheavyparts.com/?taxonomy=product_shipping_class&term=standard)
- [Freight Only](https://highwayandheavyparts.com/?taxonomy=product_shipping_class&term=truck-freight-required)

## Product Condition
- [New](https://highwayandheavyparts.com/condition/new/)
- [Remanufactured](https://highwayandheavyparts.com/condition/remanufactured/)

## Product CPL/ESN Prefix
- [6NZ](https://highwayandheavyparts.com/cpl-esn-prefix/6nz/)
- [5EK](https://highwayandheavyparts.com/cpl-esn-prefix/5ek/)
- [4MG](https://highwayandheavyparts.com/cpl-esn-prefix/4mg/)
- [7FB](https://highwayandheavyparts.com/cpl-esn-prefix/7fb/)
- [MXS](https://highwayandheavyparts.com/cpl-esn-prefix/mxs/)

## Optional
- [Sitemap index](https://highwayandheavyparts.com/wp-sitemap.xml)