Need to replace a cracked, leaking, or damaged oil filler tube on your GM vehicle? This GM Genuine Parts Oil Filler Tube (Part #12650615) is the exact same part that was originally installed on your car at the factory. It's designed, engineered, and tested by General Motors to fit and function perfectly in specific Chevrolet, Buick, GMC, or Cadillac models. Using a genuine OEM part ensures proper fitment, durability, and performance – no guesswork or modifications needed. This part may have previously been sold under the ACDelco GM Original Equipment (OE) brand. It's made to the highest quality standards to handle engine heat and oil exposure. Always check your vehicle's year, make, model, and engine size to confirm this is the correct part number for your car before ordering. Replacing a faulty filler tube is important to prevent oil leaks, which can lead to low oil levels and serious engine damage. If you're doing your own maintenance or a mechanic is sourcing the part, going with genuine GM is the way to ensure a reliable, long-lasting repair. Trust the part that was built for your vehicle.