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8–23 August: reduced summer staffing. Orders may take up to 5 extra working days to dispatch and emails up to 2 working days to answer. Thanks for your patience.
8–23 Aug: orders may ship up to 5 days later.

420412020AH - Demper

- €450,00
€450,00
€450,00 - €450,00
€450,00
OEM Part
OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.
Brand BWI
Demper (schokdemper) voor de ophanging, regelt de beweging van de veer om het wiel in contact te houden met de weg.

De demper weerstaat en verspreidt de energie van de veerbeweging, dempt de oscillatie van de veer nadat het wiel een hobbel of kuil heeft geraakt. Dit regelt de carrosseriebeweging en handhaaft consistent bandcontact en rijstabiliteit.
Alternative Codes
420412020AH

Available to order 2–3 weeks

Not currently in stock. Order now — typically ships within 2–3 weeks.

Need it faster? Contact us about express import (2–5 business days).

When will my order arrive?

This item is ordered from our supplier on request. Typical lead time is 2–3 weeks from order confirmation.

  • Netherlands / Belgium / Germany: 2–4 working days after dispatch.
  • Other EU countries + UK: 4–8 working days after dispatch.
  • Outside EU/UK: contact us for an estimate.

Need it faster? Express import available in 2–5 business days — contact us before ordering.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What does the 420412020AH damper do?
The 420412020AH is a BWI suspension damper, or shock absorber. It controls the motion of the spring by absorbing suspension energy, settling the spring after each bump so the wheel keeps firm contact with the road and the body stays stable.
How do I know if the 420412020AH damper has failed?
A failed 420412020AH damper usually shows as a bouncing or wallowing ride, clunking over bumps, longer stopping with nose-dive, scalloped tyre wear, or fluid on the damper body. Damping fades gradually as the internal seals and valving wear.
Do dampers need replacing on both sides of the axle?
Dampers are best replaced as an axle pair. Running a new 420412020AH opposite a worn unit gives unequal damping side to side, which affects handling, so fitting both sides of the axle together keeps the vehicle balanced.