If your RV refrigerator isn't maintaining temperature properly, this thermistor mounting clip might be the simple fix you need! This 2-pack from Aussio gives you a spare for future repairs, and it's compatible with various Norcold models including #633734, 634677, 637360, 618548, 629409, and 621991001. The clip is designed to securely hold the thermistor in place, ensuring your refrigerator gets accurate temperature readings for proper cooling. Made from durable materials that stand up to RV life, this aftermarket part matches OEM quality without the high price tag. Installation is quick and straightforward - no special tools needed. The clip prevents the temperature sensor from shifting or coming loose, which is a common issue that causes cooling problems in RV refrigerators. Many people replace this clip when they're changing their thermistor, since a secure fit is crucial for proper refrigerator operation. Having two clips means you've got a backup for future maintenance or can help out a fellow RVer in need. Whether you're dealing with cooling issues or just doing preventative maintenance, this small part can make a big difference in your refrigerator's performance. Keep your food cold and your RV adventures comfortable with this simple but essential replacement part. Your summer trips will be much more enjoyable with a properly working refrigerator!