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          Arnott Industries AS-3425 - Air Suspension Strut (Front Left)

          MPN: AS-3425
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $681.95
          Out of stock

          Product Overview

          The Arnott Industries AS-3425 Air Suspension Strut is designed to provide exceptional support and comfort for the front left position of your vehicle. Engineered with OE-level quality and reliability, this strut ensures a precise fitment for select Mercedes-Benz models. Trusted by automotive professionals, Arnott Industries delivers dependable performance that enhances your vehicle's suspension system. Choose Arnott Industries AS-3425 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Arnott Industries AS-3425 is equivalent to or replaces the following part numbers: 2123208113, 2123203338, 2123201938, AS3425.

          Vehicle Compatibility

          • 2010-2011 Mercedes-Benz E550 5.5 V8
          • 2010-2016 Mercedes-Benz E350 3.5 V6
          • 2012-2014 Mercedes-Benz E550 4.7 V8
          • 2012-2018 Mercedes-Benz CLS550 4.7 V8
          • 2014-2015 Mercedes-Benz E63 AMG 5.5 V8
          • 2014-2016 Mercedes-Benz E63 AMG S 5.5 V8
          • 2014-2018 Mercedes-Benz CLS63 AMG S 5.5 V8
          • 2015-2016 Mercedes-Benz E400 3.0 V6
          • 2015-2017 Mercedes-Benz CLS400 3.0 V6
          • 2014 Mercedes-Benz CLS63 AMG 5.5 V8

          This also fits other applications. Please use the vehicle selector tool to verify fitment.

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          Frequently Asked Questions

          What is the function of the Arnott Industries AS-3425 Air Suspension Strut?

          The Arnott Industries AS-3425 Air Suspension Strut provides essential support and stability to your vehicle's suspension system, ensuring a smooth ride and optimal handling.

          How do I know if the AS-3425 is compatible with my vehicle?

          You can verify the compatibility of the Arnott Industries AS-3425 with your vehicle by checking the listed vehicle compatibility or using our vehicle selector tool.

          What are common issues that the AS-3425 can resolve?

          Replacing a worn or damaged air suspension strut like the AS-3425 can help address issues such as uneven ride height, poor handling, and excessive noise while driving.

          What Diagnostic Trouble Codes (DTCs) can relate to air suspension components?

          Common DTCs associated with air suspension issues include C1710, C1711, and C1712. If you encounter any of these codes, consider inspecting or replacing your air suspension strut.

          Why should I order the Arnott Industries AS-3425?

          Order Arnott Industries AS-3425 today for a factory-correct replacement that restores safety and performance.

            • Newparts SKU
              4003209
            • Weight
              26 lbs
            • Barcode
              815710019927
            • Dimensions (L x W x H)
              32 x 11 x 9.75 in
            • Manufacturer Part #
              AS-3425
          • Brand
            Arnott Industries
          • Position
            Front Left
          • Manufacturer
            Arnott Industries
          • MPN
            AS-3425
          • OE Part Numbers
            2123208113, 2123203338, 2123201938
          • Cross Reference Numbers
            AS3425
          • Part Type
            Air Suspension Strut
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2014Mercedes-BenzE3504Matic (3.5 V6 GAS)Notes: w/ADS
          2014Mercedes-BenzCLS5504Matic (4.7 V8 GAS)Notes: w/ADS
          2014Mercedes-BenzE5504Matic (4.7 V8 GAS)Notes: w/ADS
          2014Mercedes-BenzCLS63 AMG S4Matic (5.5 V8 GAS)Notes: w/ADS
          2014Mercedes-BenzE63 AMG4Matic (5.5 V8 GAS)Notes: w/ADS
          2014Mercedes-BenzE63 AMG S4Matic (5.5 V8 GAS)Notes: w/ADS
          2014Mercedes-BenzCLS63 AMG4Matic (5.5 V8 GAS)Notes: w/ADS
          2015Mercedes-BenzE3504Matic (3.5 V6 GAS)Notes: w/ADS
          2015Mercedes-BenzE4004Matic (3.0 V6 GAS)Notes: w/ADS
          2015Mercedes-BenzCLS5504Matic (4.7 V8 GAS)Notes: w/ADS
          2015Mercedes-BenzCLS4004Matic (3.0 V6 GAS)Notes: w/ADS
          2015Mercedes-BenzCLS63 AMG S4Matic (5.5 V8 GAS)Notes: w/ADS
          2015Mercedes-BenzE63 AMG4Matic (5.5 V8 GAS)Notes: w/ADS
          2015Mercedes-BenzE63 AMG S4Matic (5.5 V8 GAS)Notes: w/ADS
          2016Mercedes-BenzE3504Matic (3.5 V6 GAS)Notes: w/ADS
          2016Mercedes-BenzE4004Matic (3.0 V6 GAS)Notes: w/ADS
          2016Mercedes-BenzCLS4004Matic (3.0 V6 GAS)Notes: w/ADS
          2016Mercedes-BenzCLS5504Matic (4.7 V8 GAS)Notes: w/ADS
          2016Mercedes-BenzCLS63 AMG S4Matic (5.5 V8 GAS)Notes: w/ADS
          2016Mercedes-BenzE63 AMG S4Matic (5.5 V8 GAS)Notes: w/ADS
          2010Mercedes-BenzE3504Matic (3.5 V6 GAS)Notes: w/ADS
          2010Mercedes-BenzE5504Matic (5.5 V8 GAS)Notes: w/ADS
          2011Mercedes-BenzE3504Matic (3.5 V6 GAS)Notes: w/ADS
          2011Mercedes-BenzE5504Matic (5.5 V8 GAS)Notes: w/ADS
          2012Mercedes-BenzE3504Matic (3.5 V6 GAS)Notes: w/ADS
          2012Mercedes-BenzE5504Matic (4.7 V8 GAS)Notes: w/ADS
          2012Mercedes-BenzCLS5504Matic (4.7 V8 GAS)Notes: w/ADS
          2013Mercedes-BenzE3504Matic (3.5 V6 GAS)Notes: w/ADS
          2013Mercedes-BenzCLS5504Matic (4.7 V8 GAS)Notes: w/ADS
          2013Mercedes-BenzE5504Matic (4.7 V8 GAS)Notes: w/ADS
          2017Mercedes-BenzCLS4004Matic (3.0 V6 GAS)Notes: w/ADS
          2017Mercedes-BenzCLS5504Matic (4.7 V8 GAS)Notes: w/ADS
          2017Mercedes-BenzCLS63 AMG S4Matic (5.5 V8 GAS)Notes: w/ADS
          2018Mercedes-BenzCLS5504Matic (4.7 V8 GAS)Notes: w/ADS
          2018Mercedes-BenzCLS63 AMG S4Matic (5.5 V8 GAS)Notes: w/ADS
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          Warranty Overview

          At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

          Standard Warranty – Most Parts

          • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

          • Protection: Defects in materials or workmanship under normal personal use.

          • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

          • Exclusions:

            • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

            • Commercial, fleet, rideshare, off-road, or racing use

            • Improper installation, misuse, accidents, or modifications

          • Not Covered: Labor, shipping, towing, or incidental costs.

          Bison Performance Warranty – Our House Brand

          • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

          • Applies To: All products sold under the Bison Performance label.

          • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

          • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

          • What’s Included: Replacement of the defective product (labor and shipping excluded).

          Warranty Claim Requirements

          To keep claims fast and fair, we require:

          • Proof of purchase (invoice or order confirmation).

          • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

          • Diagnostic reports or part returns for non-visible issues may be requested.

          • Claims must be truthful, properly documented, and reflect normal consumer use.

          Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

          For full details and exclusions, please see our complete Warranty Terms & Conditions.


          This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

          Return Policy Overview

          Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
          To start a return, use our Return Portal or contact support.

          • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

          • Refunds: Issued to your original payment method within 3–5 business days after inspection

          • Exchanges: Not automatic — please return and reorder

          • Replacements: May be approved for incorrect or defective items reported within 7 days

          Not returnable:

          • Used or installed parts

          • Electrical components

          • Opened filter kits, gaskets, or contaminated items

          • Final sale or custom orders

          Important Notes:

          • Return shipping is your responsibility unless we made a verified error

          • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

          • Country of origin may vary and is not grounds for return

          For complete details, please see our full Return Policy.



          This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

          Fast, Reliable Shipping — Straight to Your Door

          We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

          • We use trusted carriers like UPS, FedEx, and USPS.

          • Tracking info is emailed to you as soon as your order ships.

          • Delivery estimates at checkout are based on carrier data, but not guaranteed.

          Need help with a shipment?

          If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

          For full details, please see our complete Shipping Policy.


          This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions,  risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

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