Arnott Air Strut - Rear - Left AS-3801

Air Strut - Rear - Left

Eliminate body roll, floatiness, and sag in your BMW's rear suspension with an upgraded direct-replacement air strut from Arnott.
Arnott Arnott
T#: 57870666 | Part#: AS-3801
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660.99 $660.99
20% off MSRP:
$825.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

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Air Strut - Rear - Left
$660.99

Eliminate body roll, floatiness, and sag in your BMW's rear suspension with an upgraded direct-replacement air strut from Arnott. Designed to meet strict performance standards, this complete rear left air strut assembly replaces sloppy or leaking original units to sharpen up chassis response and preserve proper vehicle dynamics. Rather than dealing with expensive dealership unit replacements or worn remanufactured alternatives, this 100% all-new assembly features custom-valved hydraulic damping paired with high-strength air sleeves. The valving is precision-calibrated to deliver stable handling during spirited cornering while maintaining smooth high-speed compliance. Whether you're refreshing an aging daily driver or restoring factory suspension control, this unit drops right into the factory mounting points to get your Ultimate Driving Machine back on track.

Key Features:

  • Engineered to restore crisp handling performance and rear chassis stability

  • All-new assembly eliminates reliance on remanufactured or recycled core components

  • Precision custom-valved shock absorber tuned for performance and ride quality

  • High-tensile heavy-duty crimping rings engineered to prevent pressure leaks under hard loads

  • Complete with protective dust boot and replacement air line connection hardware

  • Direct bolt-in fitment designed for straightforward installation

Specifications:

  • Brand: Arnott

  • Part Number: AS-3801

  • Vehicle Application: 2017-2020 BMW 5-Series Touring (G31) and 6-Series GT (G32)

  • Fitting Location: Rear Left (Rear Driver Side)

  • Design Type: Air Spring & Shock Absorber Strut Assembly

  • Construction: 100% New Manufacturing

  • Compressed Dimension: 393 mm

  • Extended Dimension: 508 mm

  • Suspension Travel: 115 mm

  • Air Fitting Type: Included Connector Valve & Air Fitting

  • OE Cross-References: 37 10 6 872 967, 37 10 6 882 821, 37 10 6 882 825, 37 10 6 885 956, 37 10 6 897 849, 37 10 6 897 853


Prop 65 WarningProp 65 Warning

Cross Reference
  • 37106885956
  • 37106872967
  • 37106897853
  • 37106897849
  • 37106897821
  • 37106882825

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Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

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MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW G11 740i B58 3.0L Use vehicle selector to confirm fitment
BMW G11 750i N63 4.4L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.