1OE Number: 105?2508 is the reference part numbers. Please double check the part number of your item to ensure perfect fit. 2Fitment: Fit for Cat, suitable for Engine Machine 3406B, C?9, 3306, 3406C, 3412C, 3408C, 3306B, 3408B, 3304B, excavator 330B L, 320C, 375 L, 330B, 330 L, wheel tractor scraper 623F, 627E, 637E and more. 3High Strength Aluminum Alloy: The fuel priming pump is made of aluminum alloy, which is wear resistant, durable, not easy to break, and has a long service life. 4High Performance: Professional manufacturing process, with high reliability, you can directly replace the old or damaged hand fuel primer pump in time to improve the performance. 5Easy to Install: The fuel priming pump is easy to install, no complicated operations, easy to use, come with a gasket, and reliable to use