If you're a proud owner of an LML Duramax, you might be considering a CP3 swap. But why should you go through the trouble and expense of swapping out the factory CP4 pump for a CP3? Let's dive into the reasons why this modification can be a game-changer for your LML Duramax.

One of the most compelling reasons to perform a CP3 swap is *reliability*. The CP4 injection pump has a reputation for being less reliable compared to the older CP3 pump. Many Duramax owners have experienced failures with the CP4 leading to costly repairs and downtime. By swapping to a CP3, you're opting for a pump that's known for its durability and longevity, reducing the risk of unexpected breakdowns. And even if the CP3 does break, it won't grenade your entire fuel system how the CP4 does.

While the primary goal of a CP3 swap is often reliability, it can also offer *performance benefits*. The CP3 pump can handle higher fuel pressures and flow rates, which can translate to improved throttle response and overall engine performance. This is especially beneficial if you've added other performance mods to your truck, such as a turbocharger or upgraded injectors. Or most importantly a built transmission to put down the power reliably.

If you've already modified your LML Duramax with aftermarket parts, a CP3 swap can help ensure that these modifications work seamlessly together. The CP3 pump is more compatible with a wide range of performance upgrades, making it a better choice for heavily modified trucks. This compatibility can help you achieve your desired power goals without compromising reliability.

While the initial cost of a CP3 swap might seem high, it can be very *cost-effective in the long run*. By investing in a more reliable pump, you can avoid the potential costs associated with CP4 failures, such as towing bills, repairs, and lost productivity. Over time, the CP3 swap can save you money by reducing the likelihood of expensive repairs and downtime.

Finally, a CP3 swap can provide *peace of mind*. Knowing that your truck is equipped with a reliable and robust fuel pump can give you confidence in its performance, whether you're on a long road trip or just running daily errands. This peace of mind is invaluable for any truck owner who relies on their vehicle for work or play.

*Cost Savings*: While the initial investment in a CP3 swap can range from *$2,000 to $4,000*, the long-term savings from avoiding CP4 failures can be substantial. The average cost of repairing a CP4 failure can exceed **$10,000**, including towing, parts, and labor.

A CP3 swap for your LML Duramax is a smart investment for those seeking reliability, performance, and peace of mind. By making this modification, you can enjoy a more dependable truck that's better equipped to handle performance upgrades and daily driving demands. If you're considering a CP3 swap, give us a shout. We can go over your goals & uses for the truck to make sure you select the correct CP3 for your application.