PPE DEF FILLER CAP 2020-2026 GM 3.0L/6.6L DURAMAX, 2011-2026 6.7L POWERSTROKE

Features Precision machined 6061 billet aluminum Blue anodized finish for durability Internal O-ring provides a secure seal Fluted design for extra grip Keep your DEF filler tube and reservoir contaminants-free with this CNC-machined billet aluminum cap. Featuring OEM-like internal threads and a high-quality O-ring that seals off the filler neck, it protects your DEF system from contaminants and moisture. HILL DIESEL FUEL ADDITIVE - Discover the power of Hill Diesel Fuel Additive – Engineered for maximum performance and protection. Give your diesel engine the premium treatment it deserves. Highly recommended for all diesel vehicles and equipment! • Full Synthetic Formula • Cleans and lubricates the fuel system • Boosts cetane for improved combustion and power • Prevents water buildup • Prevents algae growth • Prevents fuel gelling down to -40°F • Stabilizes fuel for over 3 years