Features
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