1. OE Number: The reference part number is 7Y3918. Please confirm whether it is compatible with the OE you need before placing an order. In this regard, you can reduce unnecessary problems. 2. Compatibility: Compatible with 307 307B 307C 308C 311C 312 312BL 313B 314C 315 315BL 317 317BLN 318B 320 E320 320B 320L 320N 321C 325C. Please confirm in advance whether it is compatible with your model. 3. High durability: This product is made of aluminum alloy, which is durable and has strong impact resistance and scratch resistance, as well as moisture resistance and corrosion resistance. 4. Easy Installation: The starter ignition switch was designed through full transposition thinking and is easy to install. It can be completed in a few minutes under the guidance of the manual. 5. High Performance: The starter ignition switch has been carefully processed to avoid ignition switch damage or improper wiring, ensuring a desired customer experience. Specifications: Item Type: 6 Wire Starter Ignition Switch. OE: 7Y3918 Compatibility: Replacement for 307 307B 307C 308C 311C 312 312BL 313B 314C 315 315BL 317 317BLN 318B 318BL 320 E70B E320 320B 320L 320N 321C 325C Excavator Package List: 1 x Ignition Switch 2 x Key Note: 1. Please check the part number of your item, the corresponding information is for reference only. 2. If you are not sure about the item, please contact us before purchasing to avoid unnecessary returns, thank you!