ATS 705-050-4248 Fuel Rail Pressure Plug | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Features: - Fits 2001-2004 6.6L Duramax LB7 engines - Designed for twin fueler kit setups - Allows easy fuel pressure checks - Installs at the fuel rail location - Durable steel construction - Sold individually - Helps monitor fuel system performance - Ideal for diagnostic and tuning needs Make Diagnosing Fuel Issues Quick and Simple If you’re running an early 2001–2004 Duramax LB7 with a twin fueler kit, having the right tools to monitor your fuel system is essential. The ATS 705-050-4248 Fuel Rail Pressure Plug gives you exactly that. This simple yet effective plug allows you to easily check fuel pressure right at the rail, providing valuable insight when diagnosing issues or fine-tuning your truck’s performance. Built from durable steel, this plug is designed to withstand the pressures and conditions common in high-performance and heavy-duty diesel applications. Whether you’re working on your truck at home or on the job site, this tool makes the process faster and more reliable. Essential for Tuning and Troubleshooting Perfect for owners and technicians alike, this pressure plug is especially useful if you’ve added a twin fueler kit or made other fuel system upgrades. It installs quickly and provides direct access to fuel pressure readings, saving time when troubleshooting power loss, drivability concerns, or potential fuel system failures. Sold individually, it’s a small but critical investment for anyone serious about keeping their LB7 Duramax running at its best. Whether you’re chasing more horsepower or just making sure your fuel system is delivering as it should, this plug helps take the guesswork out of your next service or tuning session. Fits: 2001-2004 GM 2500HD/3500HD Sierra/Silverado w/ Early 6.6L Duramax LB7 Engine and Twin Fueler Kit