Number 6 Injection Line

Features:

• Fits 2007.5–2018 Ram 2500/3500 6.7L Cummins
• Direct replacement for factory cylinder 6 fuel line
• Replaces Cummins OEM part number 4935976
• Designed for 24-valve 6.7L Cummins engines
• Restores proper high-pressure fuel delivery
• Built for durability and leak-free performance
• Ideal upgrade for cracked, worn, or leaking lines
• High-quality construction meets OEM standards
• Precision bent for perfect factory fitment
• Helps maintain consistent injector performance
• New, not remanufactured — no core charge
• Manufactured by Fleece Performance, trusted diesel experts

Don’t Let a Small Leak Turn Into a Big Problem

If you’re chasing reliability and performance out of your 6.7L Cummins, don’t overlook the importance of a healthy fuel system — especially when it comes to your high-pressure lines. The Fleece Number 6 Injection Line is a direct replacement designed to keep your truck running like it should. Whether you’re repairing a cracked, leaking, or worn-out line, this brand-new replacement ensures clean, consistent fuel delivery without the worry of downtime or bigger failures. It’s built tough, precision bent for a perfect fit, and crafted to meet or exceed OEM quality, so you can bolt it in and get back to doing what your truck was built for. No core charges, no rebuilt compromises — just fresh, reliable performance you can trust. From towing heavy loads to racking up daily miles, you’ll know your injector is getting the pressure it needs to perform at its best. Simple upgrades like this are what keep hardworking Cummins trucks ahead of the game.

Precision Built Replacement for Cylinder 6 Fuel Line

The Fleece FPE-FL-CUMM-6.7-6 Injection Line is engineered specifically for 2007.5–2018 Ram 2500 and 3500 models equipped with the 6.7L 24V Cummins engine. Designed as a direct replacement for the cylinder 6 injector line, it matches the factory Cummins part number 4935976 to ensure precise fitment and reliable sealing. Constructed with high-strength materials, this new line resists cracking, fatigue, and leaks that can lead to performance issues or injector damage. It maintains consistent high-pressure fuel delivery critical to optimal engine performance, helping support proper injector operation across a range of RPMs and load conditions. This replacement is ideal for trucks experiencing high mileage, injector issues, or visible fuel system wear. Installation is straightforward thanks to precision bends and factory-matched fittings, making it a direct swap for worn or compromised original lines. Manufactured by Fleece Performance, this part upholds strict quality standards to deliver OEM-level reliability for long-term durability.

Fits: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 RAM 2500/3500 6.7L Cummins

Notes:

• Fits 2007.5–2018 Ram 2500 and 3500 with 6.7L Cummins
• Direct replacement for cylinder 6 high-pressure fuel line
• Replaces OEM Cummins part number 4935976
• Designed specifically for 24-valve 6.7L Cummins engines
• New part — not refurbished or remanufactured
• No core charge required with purchase
• Precision bent for perfect factory-style fitment
• Ideal for repairing cracked, leaking, or worn injector lines
• Helps maintain proper high-pressure fuel delivery
• Professional installation recommended for best results
• Inspect injector connections and sealing surfaces during installation
• California residents must review Prop 65 warnings