BMW owners and mechanics, if you're dealing with heater core issues, this MTC 1870 O-ring might be exactly what you need. This replacement part matches OEM number 64-11-1-374-238 and is engineered from high-quality materials to ensure proper fit and performance. The package contains one O-ring with a package weight of about 1 pound, making it easy to ship and store. When your heater core starts leaking or underperforming, often it's the O-rings that need replacement rather than the entire unit. This part is designed to withstand the temperature variations and pressure demands of your BMW's heating system. Proper installation ensures your heater works efficiently and prevents coolant leaks that can lead to bigger problems. The quality construction means longevity and reliability - you don't want to be replacing heater components frequently. Whether you're a DIY enthusiast or professional mechanic, having the right replacement parts makes the job smoother and more successful. The proven track record of these O-rings means you can install with confidence, knowing they'll perform as expected. Much more cost-effective than dealership parts but without sacrificing quality. Keep your BMW's climate control system working properly with this simple but crucial component. It's one of those repairs that seems small but makes a big difference in your driving comfort, especially during colder months when you really need that heater working reliably.
Free 30-day returns 
Free 30-day returns
