4in Fuel Tank Cap Fits for Mack/International Replaces OEM 600180, 600181-6

We introduce a critical component for Mack & International truck's fuel tank - a 4in Locking Aluminum Fuel Cap. It is specifically designed to replace OEM 600180 and 600181-6. This replacement equipment is constructed from aluminum alloy with an 8 NSPF (8 threads per inch) thread type. This tank will enable truckers to secure the fuel tanks on heavy-duty vehicles from evaporating, spilling, or contamination. There's more to explore, check out the details below. Premium-Quality Material: This fuel tank cap is constructed from aluminum alloy for added durability and resistance to rust, corrosion, and harsh environments. It has an internal and external diameter of 4in and 5in, respectively. It will ensure long-lasting performance while securing the fuel tanks. Functionality: This gas tank cap with a locking feature enables truckers and drivers to seal the tank to prevent fuel from evaporating, spilling, or becoming contaminated. It also plays a crucial role in maintaining pressure within the fuel system. The rubber gasket seal in the cap will keep it airtight. There is a 13in safety chain with an 8in ball for easy use and safety. Compatibility: This locking fuel cap is specifically manufactured to fit and provide compatibility with Mack & International 9200, 9400, 9600, and 9900 while replacing 600180, 600181-6 OEM. It will seamlessly fit the mentioned brand models and OEM part numbers. Compatible with Mack: 16-MF-316, 16MF316, 25195379, 600180 Compatible with Navistar: 2040856C91 Compatible with OE Aftermarket: 431090 Compatible with Automann: 572.1023, AM5721023 Compatible with PAI: EFC-8397 Vented & Lockable Design: Our gas tank has a vented mechanism, allowing air to enter or exit to prevent vacuum or excessive pressure from building up inside. It will ensure pressure regulation, safety, and optimal performance. Additionally, it includes a locking mechanism (two keys included) for full closure of the cap.