Arnott AS-3381 Air Suspension Strut - Rear

Rear Air Suspension Strut for Tesla Model S

Arnott AS-3381 is a new rear air suspension strut engineered for the 2016-2020 Tesla Model S with AWD. It is built with premium components and tuned to deliver OE-style ride quality while supporting the vehicle’s auto leveling system.

This Arnott NEW line replacement is designed and assembled in the USA and uses a universal rear fitment for the left or right side on approved applications. The AS-3381 part number is a direct option for drivers looking for a rear Tesla Model S air strut replacement with factory-style function.

Key Features

• Rear air suspension strut for Tesla Model S AWD applications
• Fits left or right rear position on listed vehicles
• New Arnott-engineered aftermarket assembly
• Hydraulic internal damper tuned to ride like OE
• Multi-ply ContiTech air sleeve for air ride suspension performance
• Heavy-duty crimping rings, long-lasting O-rings, and bump stop
• CNC-machined top mount made from aircraft-quality aluminum
• Progressive spring rate with air-adjustable operation
• Works with auto leveling functionality

Detailed Description

AS-3381 is built for rear suspension service on the Tesla Model S and is intended for vehicles equipped with AWD and the listed suspension configuration notes. Arnott uses Tier 1 components throughout the assembly, including a hydraulic damper, ContiTech air sleeve, bearing plate, spring isolators, and an upper mounting isolator to support consistent operation in air ride systems. The part number AS-3381 is a practical replacement choice when the rear air strut needs to restore ride height control and damping performance on a Tesla Model S.

Arnott’s NEW product line focuses on engineered aftermarket suspension components built to match OE-style behavior without changing the vehicle’s leveling function. This rear Tesla Model S air suspension strut is assembled in the USA and cross-references Tesla OE part numbers 106746125C and 106746625C for the same application.

What It Helps Fix

• Rear corner sag or uneven ride height
• Air spring leakage from a worn bladder or seals
• Excessive bouncing or reduced damping control
• Suspension warning lights related to rear air strut failure
• Noisy or unstable rear suspension operation

Installation Notes

Verify the vehicle’s year, AWD configuration, and suspension notes before installation. This rear air suspension strut is a universal left/right rear unit for the listed Tesla Model S applications, and it uses a stud upper mount with a loop/eyelet lower mount. Mounting hardware is not included. Follow Tesla service procedures for air suspension depressurization, alignment checks, and system calibration after replacement.

Quality Assurance

Arnott backs this replacement air suspension strut with its industry-leading warranty. The AS-3381 is engineered with premium materials and assembled to support reliable rear suspension performance on the Tesla Model S.