12 PACK The 1R-1804 Caterpillar Filter is a fuel filter designed for easy installation, featuring a rubber gasket for a secure seal. This filter is a genuine Caterpillar product, ensuring quality and compatibility with specific Caterpillar equipment models. Its manufacturer part number, 1R-1804, makes it easy to identify and order the correct filter for your vehicle or equipment. With this filter, you can trust that your fuel system will be protected and optimized for optimal performance. 12 PACK