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Lesjofors 4004309 Coil Spring - Front
Lesjofors Front Coil Spring for Audi A3
The Lesjofors 4004309 front coil spring is a direct replacement for select Audi A3 applications, including 2018 Audi A3 and 2015-2016 Audi A3 models with Sports Suspension. Built to OE-quality standards, it is made from high-strength steel and finished for corrosion resistance and long service life.
Key Features
- Front coil spring for suspension repair and ride-height restoration
- Fits 2018 Audi A3, front
- Fits 2015-2016 Audi A3, front, with Sports Suspension
- Manufactured from high-strength steel
- Heat treated, shot peened, zinc phosphate coated, and epoxy powder coat painted
- Pre-set and tested for consistent performance
- Seat included: No
Detailed Description
Lesjofors 4004309 is a front suspension coil spring engineered for Audi A3 fitments that require OE-style replacement performance. Lesjofors supplies replacement springs that are manufactured to meet or exceed OE quality standards, and this spring follows that approach with controlled material selection, heat treatment, and protective finishing. This part cross-references OE numbers 5Q0411105FE and 5Q0411105FF for the same application.
For buyers searching for a front coil spring for Audi A3 2018 or a 2015-2016 Audi A3 front spring for Sports Suspension, this part provides a direct-fit solution for restoring suspension support and maintaining factory ride characteristics. The Lesjofors 4004309 part number is also useful when matching an OE replacement by reference.
What This Spring Helps Address
- Sagging front ride height
- Broken or weakened coil spring replacement
- Uneven front suspension stance
- Noisy or unstable spring support at the front axle
- Restoring factory-style suspension geometry on Audi A3 models
Installation Notes and Tips
Install as a front coil spring replacement only on the listed Audi A3 applications. Because seat included is listed as No, reuse or replace the spring seat as required by the vehicle setup. Verify Sports Suspension fitment on 2015-2016 Audi A3 models before ordering. Professional spring compressor tools and proper suspension service procedures are recommended for safe installation.
Quality Assurance
Lesjofors has a long spring-manufacturing history dating back to 1852 and produces replacement coil springs using processes that include heat treatment, shot peening, zinc phosphate coating, epoxy powder coating, pre-setting, and testing. The 4004309 spring is built to OE-quality expectations for consistent fit and finish.
| Brand | Lesjofors |
| Part Number | 4004309 |
| Seat Included | No |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Audi | A3 | Convertible | 1.8L | L4 | Front | |
| 2016 | Audi | A3 | 1.8L | L4 | Front | Fits vehicles with Sports Suspension. | |
| 2015 | Audi | A3 | 1.8L | L4 | Front | Fits vehicles with Sports Suspension. |
* 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.