Ford Focus Mk3 Door Check Strap Stopper Gasket Seal Rear Left N/S CM51-A27207-AC

The Ford Focus Mk3 Rear Left Door Stop Seal is an original part from the door seals category, designed for the rear left door of the third-generation Ford Focus. Precise fitting to the factory door stop ensures stable hinge operation and limits unwanted vibrations and noise when opening and closing the door.

Specifications and technical data

• SKU: CM51-A27207-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: CM51-A27207-AC
• Substitutable numbers: CM51-A27207-AC, CM51A27207AC, 1748276
• Location on the vehicle: Rear, Left
• Part type: Door Seal
• Category: Door Seals

Purpose and Function of the Door Stop Seal

The presented rear left door stop seal has been specifically designed for the Ford Focus Mk3. Its purpose is to stabilize the operation of the door stop, dampen micro-vibrations, and reduce play in the connection points of moving parts. This results in smoother door opening and more controlled holding of intermediate door positions.

The appropriately selected shape and material flexibility contribute to:

• reduced noise from the door stop mechanism,
• limited mechanical wear of cooperating parts,
• stable door guidance within typical opening ranges.

Compatibility with Ford Focus Mk3

This seal is designed for installation on the rear left door of the third-generation Ford Focus. Its placement on the vehicle is factory-defined, which simplifies identification of the correct mounting point and eliminates the risk of errors when selecting the side of the body.

The part comes from the Ford line, meaning its geometry is consistent with the factory door stop. In practice, this translates to:

• secure fit with the original mounting,
• no need for modifications or shape adjustments,
• maintaining factory operating parameters of the door opening mechanism.

Performance Characteristics and Installation

The rear left door stop seal for the Ford Focus Mk3 is a wear-and-tear item that can degrade over time, crack, or lose elasticity. Replacing it with a functional component helps restore:

• more even resistance when opening and closing the door,
• stable door holding in designated positions,
• reduction of knocks and clicks resulting from play in the mechanism.

Installing the seal typically does not require specialized tools beyond standard workshop equipment. It is recommended to install it in a service environment or by someone experienced in working with door components to ensure proper seating and avoid damage to cooperating parts.

Why Choose This Door Stop Seal

Choosing an original door stop seal for the Ford Focus Mk3 is a solution that maintains the structural integrity of the vehicle body. The part has been designed for a specific model and mounting position, ensuring:

• compatibility with the factory door stop without additional adaptations,
• repeatable door operating parameters in line with manufacturer specifications,
• maintaining user comfort during the daily opening and closing of the rear left door.

This is a practical choice for users who want to restore the correct operation of the door mechanism in their third-generation Focus without compromising on original design solutions.

Other Ford Door Seals and Additional Materials

If you also need other Ford door seals, check out the Ford door seals available in our store to find a complete solution for the entire body. For comparison with other premium brands and a broader market perspective on used parts, you can read our article on choosing used components for higher-class cars: used Mercedes parts – original components from dismantling.