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Bilstein 20-146085 Air Shock Absorber - Rear Left
| Brand | Bilstein 20-146085 |
|---|---|
| Position | Rear Left |
| Boot Included | No |
| Finish | Black paint |
| Internal Design | Monotube |
| Lower Mount Type | Eye 16.2mm |
| Series | B4 oe replacement (air) |
| Title | Bilstein shock absorbers |
| Upper Mount Type | Stem |
| Product line | B4 OE Replacement (Air) |
| Fits | Land Rover · 4 vehicles |
OE replacement. Connects directly to original connectors for modification-free installation.
Monotube design. Delivers consistent damping and a refined ride feel.
OE supplier pedigree. Built by Bilstein for air suspension systems.
Cross-references AH32-18K004-AA, AH32-18K004-AB and BA5-E608 for the same application. See all 4.
Bilstein B4 OE Replacement Air Shock
The Bilstein B4 OE Replacement (Air) shock absorber is built for direct replacement of the original rear air suspension damper on select European vehicles. This Bilstein shock absorber restores factory-style ride control and connects to the original vehicle connectors for modification-free installation.
Compatible with 2010-2013 Land Rover Range Rover Sport rear left applications with electronic suspension, part number 20-146085 is an OE-style air shock absorber for drivers replacing a worn or leaking rear air damper. The black-painted monotube design supports consistent damping response in a direct-fit format.
Key Features
- Bilstein B4 OE Replacement (Air) series for factory-style suspension replacement
- Monotube internal design for controlled damping response
- Direct connection to original air suspension connectors
- Black paint finish
- Upper stem mount and lower eye mount, 16.2mm
- Rear left position for select Land Rover Range Rover Sport models
- Part number 20-146085
Product Details
Bilstein’s B4 OE Replacement (Air) line is aimed at restoring the original feel of the vehicle after air suspension wear. As an OE supplier for air suspension systems, Bilstein builds this damper to meet the standards expected on factory-equipped vehicles. For 2010-2013 Land Rover Range Rover Sport rear left applications, 20-146085 provides a direct replacement path without altering the vehicle’s original connector layout. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Issues This Part Can Address
- Rear suspension sag on the left side
- Loss of ride height control from a worn air shock absorber
- Excessive bouncing or reduced damping at the rear
- Air suspension warning symptoms tied to a failing damper
- Uneven rear ride quality on a Land Rover Range Rover Sport
Installation Notes and Tips
Fits 2010-2013 Land Rover Range Rover Sport, rear left, with electronic suspension. Confirm the upper stem mount and lower eye 16.2mm mount match the vehicle before installation. Verify connector routing and suspension calibration requirements for the specific vehicle configuration. Part number 20-146085 should be matched to the original application before removal of the existing air shock.
Quality Assurance
Bilstein manufactures the B4 OE Replacement (Air) series to OE-level standards for direct replacement use on factory air suspension systems. The monotube construction and direct-fit connector design support consistent replacement performance for the specified Land Rover Range Rover Sport application.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2013 | Land Rover | Range Rover Sport | Supercharged | Rear Left | With Electronic Suspension; B4 OE Replacement (Air) |
| 2012 | Land Rover | Range Rover Sport | Supercharged | Rear Left | With Electronic Suspension; B4 OE Replacement (Air) |
| 2011 | Land Rover | Range Rover Sport | Supercharged | Rear Left | With Electronic Suspension; B4 OE Replacement (Air) |
| 2010 | Land Rover | Range Rover Sport | Supercharged | Rear Left | With Electronic Suspension; B4 OE Replacement (Air) |
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