20918130 GM Door check strap

What is this part?

The GM door check 20918130 is a genuine OEM body component designed to limit door opening and hold the door in fixed positions.

What does it do?

This OEM door check controls the opening angle of the door and keeps it from swinging freely, helping prevent damage to the door, hinges, or adjacent vehicles. A genuine GM door check is manufactured to factory specifications, ensuring smooth operation, correct resistance, and long-term durability. Proper door check function is essential for safe and controlled door operation.

When to replace

The GM door check 20918130 should be replaced if clicking or grinding noises, excessive play, or failure to hold the door in position are detected. Worn internal rollers or straps may cause uncontrolled door movement. Installing a genuine OEM door check helps restore proper door control and reduces wear on hinges.

Compatibility

The genuine GM door check 20918130 is compatible with selected GM vehicles. This OEM component is engineered for precise fitment within the original door and body mounting points. Compatibility may vary depending on door position (front or rear), left or right side, and model year. Please verify the part number 20918130 before purchase.

Installation: DIY or service?

Installation of this genuine OEM GM door check 20918130 typically involves removing the door trim panel. In many cases, installation can be performed as a DIY task; however, correct alignment is important for smooth operation.