Arnott AS-3801 Air Suspension Strut - Rear Left

Overview of Arnott New Air Suspension Strut AS-3801

The Arnott New Air Suspension Strut AS-3801 is engineered for precise fitment on BMW 640i xDrive Gran Turismo models. Designed to restore factory ride quality, this air suspension strut integrates advanced features to maintain vehicle stability and comfort.

• Compatible with BMW 640i xDrive Gran Turismo
• New, not remanufactured, for reliable performance
• Gas charged with hydraulic internal damper for smooth damping
• Includes mounting hardware, bearing plate, and boot in black color
• Features progressive spring rate and shock spring assistance
• Lower mount type: loop/eyelet with isolator included
• Upper mount type: stud with center eye body end measuring point
• Heavy duty bladder crimping rings included for durability

Detailed Product Description

The Arnott New Air Suspension Strut AS-3801 is a direct replacement part designed specifically for the BMW 640i xDrive Gran Turismo. This air ride suspension component features a gas-charged, hydraulic internal damper that provides consistent shock absorption and improved ride control. The progressive spring rate and shock spring assistance contribute to a balanced suspension response, adapting to varying road conditions. The strut includes a black protective boot and heavy duty bladder crimping rings to enhance longevity and protect internal components from debris and wear.

The lower mount utilizes a loop/eyelet design with an isolator included to reduce vibration transfer, while the upper mount is a stud type with a center eye body end measuring point for precise installation alignment. The package also contains a bearing plate to support smooth strut rotation and mounting hardware to facilitate installation.

Arnott New Product Line Information

The "New" brand line from Arnott represents factory-new air suspension components designed to meet or exceed OEM specifications. This line focuses on delivering reliable, long-lasting performance with all necessary hardware and protective features included. The AS-3801 strut is part of this line, ensuring compatibility and quality for BMW 640i xDrive Gran Turismo owners seeking a direct-fit replacement.

Common Applications and Problem Resolution

• Restores proper ride height and vehicle stance
• Eliminates air suspension leaks and failures
• Improves handling and ride comfort on uneven roads
• Replaces worn or damaged struts causing noise or vibration
• Addresses progressive spring rate issues affecting suspension response

Installation Notes and Tips

Installation of the Arnott AS-3801 air suspension strut requires proper alignment of the upper stud mount and lower loop/eyelet mount. Ensure the center eye body end measuring point is used for accurate positioning. The included mounting hardware and bearing plate should be installed as specified to maintain suspension integrity. It is recommended to have the air suspension system inspected and calibrated after installation to ensure optimal performance.

Quality Assurance and Warranty

This Arnott New Air Suspension Strut AS-3801 is manufactured to meet stringent quality standards and is supplied as a new component. Arnott provides a limited warranty covering defects in materials and workmanship, supporting confidence in the product's durability and fitment for the BMW 640i xDrive Gran Turismo.