* AFTERMARKET.EXPRESS is not an authorized dealer for Caterpillar and we don't represent it. Our
catalog contains replacement parts manufactured with high quality standards but not Original
Equipment from the Manufacturer. We use original product codes, photos or schemas only for
reference purposes. The image of the product is provided as a
reference and may differ in appearance from the ordered product. Use the original part number to
find the parts or replacements you need.
About spare part 3N4431
3N4431 - USE 5N8209 7N9738 7N7780 fits Caterpillar (Aftermarket Parts)