KYB 553379 Shock Absorber - Rear

Overview of KYB Gas-a-just Suspension Shock Absorber 553379

The KYB Gas-a-just shock absorber 553379 is engineered for Mazda vehicles requiring precise suspension performance. Designed to restore original handling and ride comfort, this shock absorber offers reliable damping with specific mounting configurations for a secure fit.

• Compressed length: 16.61 inches
• Extended length: 26.41 inches
• Stroke length: 9.8 inches
• Lower mount type: E2 (12x40)
• Upper mount type: S1 (8mm)
• Includes R-stop but no internal rebound spring or dust cover

About the KYB Gas-a-just Product Line

The Gas-a-just line by KYB focuses on gas-charged shock absorbers designed to provide consistent damping performance and improved vehicle control. This product line is tailored to maintain factory ride quality and handling characteristics, making it suitable for Mazda models that require precise suspension tuning. The 553379 part number represents a specific fitment within this line, ensuring compatibility and performance for the intended vehicle.

Detailed Product Description

The KYB Gas-a-just shock absorber 553379 features a compressed length of 16.61 inches and an extended length of 26.41 inches, providing a stroke length of 9.8 inches. This range allows for effective absorption of road irregularities while maintaining vehicle stability. The lower mount uses an E2 (12x40) configuration, and the upper mount is an S1 (8mm) type, ensuring proper installation and fitment on compatible Mazda models. The shock absorber includes an R-stop for rebound control but does not have an internal rebound spring or dust cover, which is typical for this design to maintain consistent damping performance.

Common Applications and Problem Solving

• Restores original suspension performance on compatible Mazda vehicles
• Reduces excessive bouncing and improves ride comfort
• Addresses uneven tire wear caused by worn shocks
• Improves vehicle handling and stability during cornering
• Minimizes noise and vibration from suspension components

Installation Notes and Tips

• Verify compatibility with your specific Mazda model before installation
• Ensure mounting points match E2 (12x40) lower and S1 (8mm) upper mounts
• Use proper tools to avoid damage to mounting hardware
• Check for any suspension component wear that may affect shock absorber performance
• Follow vehicle manufacturer torque specifications during installation

Quality Assurance and Warranty

KYB manufactures the Gas-a-just shock absorbers to meet or exceed OEM standards, ensuring durability and consistent performance. The 553379 shock absorber undergoes rigorous quality control to maintain reliability. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region.