This is our standard, no-frills natural gas cylinder head. It comes loaded with all the essential components you need in an OE-quality cylinder head, and costs up to 50% less. But we didn’t stop there! This cylinder head has some serious improvements over the original OEM casting.
How Does Natural Gas Cylinder Head Failure Happen In Your Diesel Engine?
Cylinder head failure in your natural gas diesel engine starts with these symptoms:
- Overheating
- White Smoke
- Loss Of Coolant
These symptoms can result in a cracked cylinder head! Taking you off the road, and money out of your pocket. It’s time to put an end to your troubles and find your complete solution.
DIESEL ENGINE PART OPTIONS FOR YOUR Cummins ISLG Natural Gas Cylinder Head

- Designed with wider fluid passages
- Thicker deck for better coolant flow
- More efficient heat transfer
- Higher nickel content to handle high heat and pressure
- No welds are used in these cylinder heads
- Backed by a 1-Year Warranty
Why Buy From HHP?
- At HHP, we don’t sell inferior cylinder heads from discount suppliers. We only sell you the best quality cylinder heads for your needs, at fair, affordable prices. We are so confident in what we sell, that we offer an industry-leading warranty of 12 months.
- Our ASE Certified Techs can diagnose your engine problem, offer you a fast and accurate estimate, and provide expert repair and installation advice, so you can make a confident purchasing decision. That’s why we’re America’s trusted diesel engine parts supplier.
- We know that you need to get parts fast to service your customers. That’s why we at HHP make sure that we have readily available lubrication system parts for your specific diesel engine and can typically ship your parts the same day.
Related Articles:
CYLINDER HEAD FAILURE ANALYSIS: WHY IS MY HEAD CRACKED?
HOW TO INSTALL A DIESEL ENGINE CYLINDER HEAD
WHAT GOES INTO A REMANUFACTURED CYLINDER HEAD FROM HHP?
SIGNS YOU NEED TO REPLACE YOUR CYLINDER HEAD
Related Videos:
Short on Time? Take your Quote Online!
We get it- when you need Diesel Engine Parts, time is of the essence. That’s why we’ve developed the HHP Online Quoting System.
FAQs for the Cummins ISLG Natural Gas Engine Cylinder Head
1. How does natural gas cylinder head failure occur in a Cummins ISL engine?
Cylinder head failure in natural gas diesel engines often begins with symptoms such as overheating, white smoke, and loss of coolant. If not addressed, these issues can lead to a cracked cylinder head, causing costly repairs and downtime.
2. What are the benefits of the Cummins ISLG Natural Gas Cylinder Head from HHP?
This cylinder head is designed with wider fluid passages, a thicker deck for better coolant flow, and more efficient heat transfer. It also has a higher nickel content to withstand high heat and pressure, making it more durable and reliable than standard options.
3. Why should I buy my Cummins ISL Natural Gas Cylinder Head from HHP?
Highway and Heavy Parts offers cylinder heads built to the highest quality standards, with a focus on durability and performance. We offer up to 50% off OEM prices, and our parts are backed by a 1-Year Warranty. Our ASE-certified technicians provide expert advice, fast shipping, and unbeatable service.
4. What makes HHP’s natural gas cylinder heads better than OEM versions?
HHP’s cylinder heads feature improved designs, such as wider fluid passages and a thicker deck for enhanced coolant flow and heat transfer. Additionally, we use higher nickel content for increased strength and pressure resistance, ensuring long-lasting durability without welds.
5. How do I know if I need a new cylinder head for my Cummins ISL engine?
If your engine is experiencing symptoms like overheating, white smoke, or coolant loss, it may indicate cylinder head failure. If you see these signs, it’s important to act quickly to avoid more severe damage and costly repairs.






