Havoc L5P Stock

Havoc Diesel Injection L5P Reman Injectors are built for Duramax owners who demand dependable performance without sacrificing reliability. Designed specifically for the 2017+ 6.6L L5P Duramax platform, these injectors are remanufactured using high-quality components and tested to meet strict performance standards for consistent fuel delivery and long-term durability.

The L5P Duramax platform is known for being one of GM’s most advanced diesel engines to date, featuring a factory high-pressure common rail fuel system, improved cylinder head design, stronger rotating assembly, and increased factory horsepower over previous generations. While the L5P delivers impressive power and drivability from the factory, injector quality becomes critical as mileage increases or when additional tuning and performance upgrades are added.

Havoc Diesel Injection reman injectors are built to restore factory performance while offering the reliability needed for towing, daily driving, and performance applications. Every injector is carefully inspected, rebuilt, and flow tested to ensure balanced fueling, proper atomization, and smooth engine operation. The result is improved throttle response, cleaner idle quality, and dependable power delivery under load.

At Havoc Diesel Injection, we believe in proven parts — not flashy marketing gimmicks. Our no BS warranty and commitment to quality means you can install with confidence knowing you’re getting injectors built by people who understand the diesel industry and what these trucks go through every day.

Whether your L5P is a hard-working tow rig, daily driver, or weekend performance build, Havoc Diesel Injection reman injectors deliver the performance, reliability, and consistency your Duramax deserves.