1. Introduction
This instruction manual provides essential information for the proper installation, safe operation, and effective maintenance of your Mazda Genuine Side Step, model GDK451P40A08. Please read this manual thoroughly before attempting any installation or use to ensure safety, optimal performance, and to prolong the lifespan of the product. Keep this manual for future reference.
2. Product Overview
The Mazda Genuine Side Step (Part Number GDK451P40A08) is designed to provide easier access to your vehicle and enhance its aesthetic appeal. This genuine part ensures compatibility and quality standards set by Mazda.

Image: Mazda branding with part number GDK451P40A08. This image represents the official branding and part identification for the Mazda Genuine Side Step.
Compatible Models:
- Mazda Atenza
- Mazda Capella
- Mazda6
3. Safety Information
Always observe the following safety precautions to prevent injury or damage to your vehicle:
- Read all instructions carefully before beginning installation.
- Wear appropriate personal protective equipment (PPE) such as gloves and eye protection.
- Ensure the vehicle is parked on a level surface and the parking brake is engaged.
- If you are unsure about any step of the installation process, consult a qualified automotive technician.
- Do not exceed the weight capacity specified for the side step (if applicable, general warning).
- Regularly inspect the side steps for any signs of damage or loose fasteners.
4. Package Contents
Verify that all components are present before starting the installation:
- Mazda Genuine Side Step (Left)
- Mazda Genuine Side Step (Right)
- Mounting Brackets
- Fasteners and Hardware Kit
- Installation Guide (this manual)
- Any additional specific parts (e.g., Lamp, if applicable as per product data)
5. Setup and Installation
Installation of the Mazda Genuine Side Step requires assembly. It is recommended that installation be performed by a professional technician or an individual with experience in automotive accessory installation.
- Preparation: Park the vehicle on a flat, stable surface. Engage the parking brake and turn off the engine.
- Locate Mounting Points: Identify the designated mounting points on the vehicle's chassis or rocker panels. Refer to your vehicle's service manual for precise locations if necessary.
- Attach Brackets: Securely attach the mounting brackets to the vehicle's frame using the provided fasteners. Ensure all bolts are tightened to the manufacturer's specified torque settings.
- Mount Side Steps: Carefully position the side steps onto the attached brackets. Align the holes and secure the side steps using the remaining fasteners.
- Final Tightening: Double-check all fasteners for tightness. Ensure there is no wobble or movement in the installed side steps.
- Post-Installation Check: After installation, drive the vehicle for a short distance and then re-check all fasteners to ensure they remain secure.
Note: Specific installation steps may vary slightly depending on your vehicle model. Always refer to the detailed diagrams and instructions provided with the physical product packaging, if available.
6. Operation
The side steps are designed to assist in entering and exiting your vehicle. Step onto the side step firmly and centrally to distribute weight evenly. Avoid placing excessive weight on the edges of the step. Ensure your footwear has adequate grip, especially in wet conditions.
7. Maintenance
- Cleaning: Clean the side steps regularly with mild soap and water. Avoid abrasive cleaners or harsh chemicals that could damage the finish.
- Inspection: Periodically inspect all mounting hardware for tightness and signs of corrosion or wear. Re-tighten any loose fasteners immediately.
- Damage Check: Check the side steps for any physical damage, cracks, or bending, especially after off-road driving or impacts. Replace damaged components promptly.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Side step feels loose or wobbly. | Loose mounting bolts or damaged brackets. | Inspect and re-tighten all mounting bolts. Replace damaged brackets if necessary. |
| Unusual noise from side step during driving. | Loose components or interference with other vehicle parts. | Check all fasteners. Ensure no parts are rubbing against the vehicle body. |
| Difficulty installing. | Incorrect alignment or missing tools. | Review installation steps. Ensure correct orientation. Consult a professional if issues persist. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Mazda |
| Model Number | GDK451P40A08 |
| Manufacturer Part Number | GDK451P40A08 |
| Product Dimensions (Packaging) | 40 x 30 x 15 cm |
| Item Weight | 8 kg |
| Assembly Required | Yes |
| ASIN | B0CNGK6XG7 |
| Date First Available | 11 January 2024 |
10. Warranty and Support
As a genuine Mazda part, this product is covered by Mazda's standard warranty for genuine accessories. Please refer to your vehicle's warranty booklet or contact your authorized Mazda dealer for specific warranty terms and conditions.
For technical support or assistance with installation, please contact your local authorized Mazda service center or visit the official Mazda website:





