Arnott Industries Air Spring to Coil Spring Conversion Kit P/N:C-3620

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$2,148.99
MPN: C-3620
UPC: 815710021876
Item Package Quantity: 1
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Arnott Industries Air Spring to Coil Spring Conversion Kit P/N:C-3620
Arnott Industries Air Spring to Coil Spring Conversion Kit P/N:C-3620
$2,148.99

Ditch the failing, costly air suspension and ride on dependable steel springs with the Arnott Air Spring to Coil Spring Conversion Kit C-3620 (also written C3620). This complete kit transforms the factory air suspension to a coil-spring setup and installs at the front and rear of the 2010-2016 Land Rover LR4 — see the Buyer's Guide tab for engine-level details.

  • Complete conversion kit: Includes powder-coated steel coil springs, bump stops, and a dust boot to replace the original air springs.
  • Specially valved shocks: Shock absorbers valved by Arnott, tuned to deliver the comfort and handling Land Rover owners expect.
  • Patented Electronic Bypass Module (EBM): A patented module (U.S. Pat. No. 9,329,917) designed to prevent air-suspension dash warning lights after the conversion.
  • Precision hardware: CNC-machined aluminum seats; steel coil springs made in the US.

Engineered in the USA, this kit is a direct-fit replacement for the listed application. Air suspension components fail with age, leading to sagging, uneven ride height, and compressor overwork; converting to coil springs provides conventional spring support and removes the air components that commonly leak.

Frequently Asked Questions

What vehicle does the C-3620 kit fit?

It is a direct-fit conversion kit for the 2010-2016 Land Rover LR4. Check the Buyer's Guide tab to confirm the exact fit for your vehicle.

Does this kit cover the front, rear, or both?

This kit is cataloged for the front and rear, converting the full air suspension over to steel coil springs.

What comes in the kit?

It includes powder-coated steel coil springs, specially valved shock absorbers, bump stops, a dust boot, CNC-machined aluminum seats, and the Electronic Bypass Module.

What does the Electronic Bypass Module do?

The patented EBM (U.S. Pat. No. 9,329,917) is designed to prevent air-suspension-related dash warning lights from appearing after you convert to coil springs.

Why convert from air suspension to coil springs?

Air suspension parts leak and fail with age, causing sagging and compressor strain. Coil springs provide conventional, reliable support if the air system is the cause of your issue.