The Ultimate All-in-One 6.7L Cummins Head Gasket Kit
The Ultimate All-in-One 6.7L Cummins Head Gasket Kit
If you’ve ever had to replace a head gasket on a 2007.5–2018 6.7L Cummins, you already know the drill. You tear the engine down, get the head off, and then somehow the plan doesn't go to plan. You realize you forgot a thermostat gasket or you’re staring at the old, flattened cross tube O-rings wishing you’d ordered a fresh injector install kit. What should be a straightforward job turns into three different trips to the parts store or ordering online and waiting on shipping. So, we created a solution to make your life easier!
At D&J Precision Machine, we wanted to put an end to the headache. That’s why we created the D&J 6.7L Cummins Head Gasket Kit (2007.5-2018). It's designed to make the rebuild process faster, easier, and stress-free.
Why This Kit Makes the Process Way Easier
When you're doing a labor-intensive task like pulling a cylinder head, the last thing you want is to reuse old gaskets or realize you are missing a needed part. Our kit comes complete with everything you need.
- Zero Guesswork: Instead of hunting down separate part numbers for the intake, exhaust, and injectors, we package them together. If you touch it during a head removal, the replacement seal is in this kit.
- Genuine Cummins Quality: We don’t cut corners. The main component of the kit is a genuine Cummins head gasket, the gold standard for keeping combustion pressures sealed under heavy loads.
- No Forgotten Parts: It includes the commonly overlooked components like the thermostat gasket, rocker box gasket, and even a complete injector install kit with those crucial cross tube O-rings.
What’s Included in the Box
For $415.99, you get a complete, professional-grade solution:
| Gasket / Seal | Function in the Kit |
|---|---|
| Genuine Cummins Head Gasket | High-pressure cylinder sealing |
| Exhaust Manifold Gaskets | Prevents drive-pressure and exhaust leaks |
| Long Intake Gasket & Air Horn Gasket | Ensures clean, leak-free boost delivery |
| Injector Install Kit & Cross Tube O-Rings | Guarantees tight fuel-system sealing |
| Rocker Box Gasket | Keeps engine oil safely sealed inside the valve train |
| Thermostat Gasket | Prevents cooling system leaks upon reassembly |
Do It Once, Do It Right
A blown head gasket is stressful enough. Putting your 6.7L Cummins back together shouldn’t feel like a never-ending puzzle.
Whether you’re refreshing a high-mileage work truck, upgrading to one of our Stage 1 Performance Heads, or working on a high-boost build with ARP studs, this kit ensures you have everything required to button the engine back up correctly on the first try.



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