Diesel Fuel Injector Return Line Kit for 2004.5-2010 GM Duramax 6.6L LLY LBZ LMM, Sierra Silverado 2500HD 3500HD, Left & Right Side, Replace # 97328733 98062291

Heavy-Duty Fuel Injector Return Line Kit (Left & Right Side) Upgrade your Duramax 6.6L fuel system with this precision-engineered return line kit. Specifically designed to replace brittle factory plastic connectors with high-strength metal fittings to eliminate leaks and withstand extreme engine heat. Vehicle Fitment: Engine: 2004.5-2010 GM Duramax 6.6L (LLY LBZ LMM) Models: Chevy Silverado / GMC Sierra 2500HD & 3500HD Direct Replacement for OEM#: 98062291, 97328733, 97328732, 97359750 Why Choose Our Kit? Upgraded Metal Connectors: Anti-corrosion coating; won't crack like OEM plastic. 3-Layer Hose: Oil-resistant Nitrile core with reinforced nylon braiding. Full Overhaul: Includes both Driver and Passenger side assemblies. Package List: Left & Right Return Lines, 8x Retaining Clips, 2x O-Rings, 2x Stainless Steel Clamps.

• [PERFECT LLY LBZ LMM FIT] Precision-engineered for 2004.5-2010 GM Duramax 6.6L engines. Compatible with Chevy Silverado & GMC Sierra 2500HD/3500HD. Replaces OEM # 98062291, 97328733, 97328732, and 97359750
• [UPGRADED METAL CONNECTORS] Features high-strength metal fittings with an anti-corrosion coating. Unlike brittle factory plastic connectors that crack under heat, our upgraded design ensures a secure, leak-free connection for the long haul
• [3-LAYER REINFORCED HOSE] Constructed with an oil-resistant Nitrile Rubber core, high-elasticity nylon braiding, and a heat-insulating outer layer. Built to withstand extreme engine bay temperatures and prevent diesel fuel permeation
• [COMPLETE L+R OVERHAUL KIT] Includes both Driver (Left) and Passenger (Right) side return line assemblies. Each kit comes with 8 retaining clips, 2 O-rings, and 2 stainless steel clamps for a total system replacement
• [LEAK-PROOF RELIABILITY] Every component is rigorously tested to ensure a perfect snap-in fit. Eliminate fuel leaks, air infiltration, and messy spills caused by aged or brittle return lines to restore your engine's peak performance