1Applicable Model: Replacement for Cat 320D E320D C6.4 Excavator Engine, widely used for 320D Fm, 320D Fm Rr, 320D Gc, 320D L, 320D Ln, 320D Lrr. 2Part Number: Oem number for reference are 2964617, 296?4617. Please double check the part number of your item before ordering. 3Fine Workmanchip: Engine wiring harness is made of 24k gold plated terminals and Pvcd nylon line, stable transmission, safe and dependable. 4Direct Replacement: Professional manufacturing, excavator engine wiring harness is great choice for your rebuild, repair, and maintenance needs. 5Long Use Life: The manufacturing conforms to the standard specification, strictly follows the factory quality control, do not need to change frequently.