Bilstein E4-FE6-Z003A03 is a B1 (Components) spring check valve for shocks. The existing listing data describes it as a steel, spring-loaded disc check valve, sold individually.
Notes:
- This is a shock component, not a vehicle-specific part. No vehicle applications are given for it.
- Part details other than country of origin and quantity are from the existing listing data and have not been verified against Bilstein's online catalog, which gives no dimensional specifications for this part.
Specifications:
- Brand: Bilstein
- Part Number: E4-FE6-Z003A03
- Series: B1 (Components)
- Country of Origin: US
- Quantity per Vehicle: 1
- Warranty: Limited 90-Day Warranty
FAQ
What is the Bilstein E4-FE6-Z003A03?
It is a spring check valve for shocks, of the disc type.
What is the E4-FE6-Z003A03 made of?
It is steel, based on the existing listing data.
Does the E4-FE6-Z003A03 fit a specific vehicle?
No vehicle applications are given for this part. It is an internal shock component used to rebuild or refurbish a shock.

