ISX Single Cam, ISX Dual Cam Head Bolt Kit 3678506, Cummins, New

Head Bolt Kit for Cummins ISX Dual Cam and Single Cam – Part Number: 3678506

Why Choose Our New Head Bolt Kit for the ISX Dual Cam, Single Cam?

• Costs less than OEM head bolts
• Inexpensive parts compared to repair costs
• Aftermarket head bolt kit that meets or exceeds OEM quality

Enhance Performance and Extend the Life of Your Diesel Engine

4BTdiesel’s Head Bolt Kits for Cummins ISX Dual Cam and Single Cam create a strong, more secure seal for a higher level of performance than OE parts and increases the life of your ISX Dual Cam or Single Cam diesel engine. Our Head Bolt Kit is engineered as an upgraded replacement to the OEM parts with a perfect fit for easy installation. 

Is your Cummins ISX Dual Cam or Single Cam leaking oil or experiencing power loss? We can help! New cylinder head bolts will prevent the risk of damage and overheating to your engine.

We all know to get the most out of your ISX Dual Cam or Single Cam you need to keep it cool, well-lubricated, and perform regular maintenance. Let one of those slip and your rig is going to wind up in the shop with you stuck waiting for the repair. We know additional cylinder head parts for your ISX Dual Cam or Single Cam diesel engine – like a 40116 Head Bolt Kit, head valves, or other parts of a cylinder block – can be expensive. That’s where 4BTdiesel steps in; we offer premium aftermarket parts for the cylinder head assembly at a much lower price than the OE.

Don’t settle for sub-par parts in your ISX Dual Cam or Single Cam diesel engine. Our products are crafted with state-of-the-art tooling and machining to ensure supreme quality. Plus, they’ve been pressure- and vacuum-tested for quality assurance.

Return your Cummins ISX Dual Cam or Single Cam to its original condition! Even better, you’ll get support from our professionally certified factory mechanics who are available to answer any of your questions from purchase to installation. For technical knowledge, quality products, fast shipping and responsive customer service, contact 4BTdiesel.. 

Frequently Asked Questions – Cummins ISX Head Bolt Kit

What is the part number for the Cummins ISX head bolt kit?

The Cummins ISX head bolt kit part number is 3678506 (also referenced as MCBISXHBK and 40116). This new head bolt kit is designed for both ISX dual cam and ISX single cam diesel engines and meets or exceeds OEM quality standards. Each bolt is engineered as an upgraded replacement to OEM parts, providing a perfect fit for easy installation while creating a stronger, more secure seal than original equipment bolts.

What are the symptoms of worn or damaged Cummins ISX head bolts?

Common signs that your Cummins ISX head bolts need replacement include oil leaks around the cylinder head, coolant leaks, power loss, overheating issues, white smoke from exhaust, and poor engine performance. If you’re experiencing any of these symptoms, replacing the head bolts with kit 3678506 can prevent further engine damage and restore proper cylinder head sealing to maintain optimal compression and performance.

How does this aftermarket ISX head bolt kit compare to OEM quality?

This aftermarket Cummins ISX head bolt kit 3678506 meets or exceeds OEM quality standards while costing significantly less than original equipment parts. Each bolt is crafted with state-of-the-art tooling and machining to ensure supreme quality and undergoes rigorous pressure and vacuum testing for quality assurance. The upgraded design provides superior sealing performance and durability compared to standard OE bolts, making it an ideal choice for both preventive maintenance and repair applications.

Is the ISX head bolt kit 3678506 compatible with both single cam and dual cam engines?

Yes, the Cummins ISX head bolt kit 3678506 is engineered for compatibility with both ISX dual cam and ISX single cam diesel engines. This universal fitment makes it a versatile solution for fleet operators and technicians working with different ISX engine configurations. The kit provides consistent performance across both engine types while maintaining proper torque specifications and sealing characteristics required for reliable operation.

Why choose new head bolts over reusing existing bolts during cylinder head service?

Choosing the new Cummins ISX head bolt kit 3678506 over reusing existing bolts is critical for maintaining proper cylinder head integrity and preventing costly engine damage. Head bolts stretch during use and lose their ability to maintain proper clamping force, which can lead to head gasket failure, oil leaks, and overheating. New bolts ensure optimal torque retention and sealing performance while being inexpensive compared to potential repair costs. With technical support from professionally certified factory mechanics and premium aftermarket quality, this head bolt kit provides peace of mind for reliable long-term engine operation.

Included Components