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Arnott AS-3403 Air Suspension Strut - Front Left
Overview of Arnott New AS-3403 Air Suspension Strut
The Arnott New AS-3403 air suspension strut is engineered for BMW 740i, 745e, 750i, and 750Li models. Designed to restore factory ride quality, this air adjustable strut integrates advanced features to maintain optimal suspension performance.
- Compatible with BMW 740i, 745e, 750i, and 750Li
- Air adjustable with air ride suspension technology
- Includes mounting hardware, bladder heavy duty crimping rings, bearing plate, boot, and spring isolators
- Gas charged with hydraulic internal damper for smooth damping
- Progressive spring rate with spring-assisted shock design
- Upper mount type: stud; lower mount type: clevis
- Boot color: black, with boot included for protection
- New condition part from Arnott's New product line
Arnott New Product Line Details
The Arnott New product line focuses on delivering brand-new, high-quality air suspension components designed to meet or exceed OEM specifications. The AS-3403 air suspension strut benefits from this line's emphasis on durability and precise fitment, ensuring reliable performance for BMW luxury sedans.
Product Features and Technical Specifications
The AS-3403 air suspension strut features air adjustability, allowing the suspension to adapt to varying load and road conditions for improved ride comfort. It is gas charged and incorporates a hydraulic internal damper type, providing consistent damping performance. The progressive spring rate and spring-assisted shock design contribute to controlled handling and stability. The strut includes a black boot to protect internal components from debris and wear. Mounting points include a stud-type upper mount with isolator and a clevis-type lower mount, ensuring secure installation and proper alignment.
Common Applications and Problem Solving
- Restores proper ride height and suspension performance on BMW 740i, 745e, 750i, and 750Li models
- Addresses air suspension failure symptoms such as uneven ride height or harsh ride quality
- Replaces worn or leaking air suspension struts to prevent further suspension damage
- Improves vehicle handling and stability by maintaining correct spring rate and damping
- Protects suspension components with included boot and isolators to extend service life
Installation Notes and Tips
Installation of the Arnott AS-3403 air suspension strut requires proper handling of air lines and mounting hardware. Ensure the air ride system is depressurized before removal. Verify that the upper stud mount and lower clevis mount align correctly with the vehicle's suspension points. Use the included bladder heavy duty crimping rings and spring isolators during assembly to maintain component integrity. It is recommended to have the air suspension system calibrated after installation to ensure optimal performance.
Quality Assurance and Warranty
The Arnott New AS-3403 air suspension strut is a brand-new component manufactured to meet strict quality standards. It includes all necessary mounting hardware and protective elements to ensure durability and reliable operation. Arnott provides a limited warranty covering defects in materials and workmanship, supporting long-term confidence in the product's performance.
| Brand | Arnott |
| Part Number | AS-3403 |
| Position | New, Front Left |
| 10527 | No |
| Mounting Hardware Included | Yes |
| Bladder Heavy Duty Crimping Rings Included | Yes |
| Adjustable Damping | No |
| Air Adjustable | Yes |
| Air Ride Suspension | Yes |
| Bearing Plate Included | Yes |
| Body End Measuring Point | Center eye |
| Boot Color | Black |
| Boot Included | Yes |
| Gas Charged | Yes |
| Internal Damper Type | Hydraulic |
| Lower Mount Type | Clevis |
| Lower Mounting Isolator Included | No |
| New Or Remanufactured | New |
| Progressive Spring Rate | Yes |
| Shock Absorber Rod End Measuring Point | Shoulder of stud |
| Shock Spring Assisted | Yes |
| Spring Isolators Included | Yes |
| Spring Rate Type | Progressive |
| Spring Seat Included | No |
| Upper Mount Type | Stud |
| Upper Mounting Isolator Included | Yes |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2022 | BMW | 740i | Front Left | New |
| 2022 | BMW | 745e | Front Left | New |
| 2021 | BMW | 740i | Front Left | New |
| 2021 | BMW | 745e | Front Left | New |
| 2020 | BMW | 740i | Front Left | New |
| 2020 | BMW | 745e | Front Left | New |
| 2019 | BMW | 740i | Front Left | New |
| 2019 | BMW | 750i | Front Left | New |
| 2019 | BMW | 750Li | Front Left | New |
| 2018 | BMW | 740i | Front Left | New |
| 2018 | BMW | 750i | Front Left | New |
| 2018 | BMW | 750Li | Front Left | New |
| 2017 | BMW | 740i | Front Left | New |
| 2017 | BMW | 750i | Front Left | New |
| 2017 | BMW | 750Li | Front Left | New |
| 2016 | BMW | 740i | Front Left | New |
| 2016 | BMW | 750i | Front Left | New |
| 2016 | BMW | 750Li | Front Left | New |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.