Ford Kuga Mk1 Door Check Strap Limiter Front Left Right N/O/S 3M51-R23500-AJ

Ford Kuga Mk1 Door Check Strap Limiter Front Left Right is a component from the Locks and latches group, responsible for controlled opening and stable positioning of the front doors. It provides predictable resistance during door movement, which improves user comfort and reduces the risk of the door closing uncontrollably on inclines. Thanks to the factory design tailored to the Ford Kuga Mk1, the part maintains the correct operating geometry and works with the original mounting points.

Specifications and technical data

• SKU: 3M51-R23500-AJ
• Mark: Ford
• Condition: Used
• OEM Part Number: RM51-R23500-AJ
• Substitutable numbers: 3M51-R23500-AJ, 3M51R23500AJ, 1641573
• Location on the vehicle: Front, Left, Right
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and vehicle placement

The limiter is designed for installation on the front door on the left or right side, allowing it to be used in both front door panels of the first-generation Ford Kuga. The component operates in the hinge zone, between the door structure and the body pillar, and is responsible for:

• gradual door opening and holding them in selected positions,
• damping sudden movements when the door is pushed too hard,
• protecting hinges and body panels from excessive loads.

Technical and functional characteristics

As a component from the Locks and latches group, the limiter works in conjunction with the door lock and hinges, creating a cohesive system responsible for safe and repeatable opening and closing. The design provides:

• mechanical resistance in several opening ranges, which facilitates getting in and out of the vehicle,
• door stabilization during gusts of wind or on uneven ground,
• operation along the hinge axis without interfering with the body geometry.

By maintaining the original Ford design concept, installation does not require modification of mounting holes or additional adapters, and the component itself works with factory bolts and brackets.

Benefits of using an original limiter

Using a dedicated door limiter in the Ford Kuga Mk1 allows you to restore proper door operation in situations where the existing component shows signs of wear, such as skipping, lack of tactile positions, or unpleasant clicking sounds. The main advantages include:

• increased door usage comfort – smoother opening and closing, clear stop positions,
• better protection of body components – reduction of loads acting on hinges and panels,
• consistency with the factory Ford design – maintaining the original operating parameters of the door system.

This solution is particularly recommended for repairs after side collisions, door replacement, or due to gradual wear of the mechanism resulting from daily use.

Condition and service application

The front door limiter is a used part, making it an attractive alternative for budget repairs or cost-effective vehicle restoration. The component is suitable both for replacing a single damaged limiter and for symmetrical replacement on both sides to unify the door operating characteristics.

Expanding the scope of repairs within the Ford door area

If you are planning a comprehensive repair or upgrade of the door area in your Ford and need other components from the same group, such as lock mechanisms, latches, or strikers, check out the available parts in the Ford Locks and latches category.

To better plan service work on your car and understand the impact of individual systems on vehicle durability, it is worth reading the guide on the cooling system and engine operation: Engine cooling system – overheating, repair, and used radiators.