United States
4N0857620 Seat Belt Tensioner
- 4N0857620This pageNot stocked
Dec 2025 - 4N0857620ACurrent number
Special order item. Delivery time may vary.
About This Part
Superseded part number
This part number has been replaced. Order the current replacement shown above — the old number can no longer be supplied.
Order Processing & Delivery
This part is not stocked in our warehouse and will be ordered directly from the manufacturer upon purchase. Handling time for VOLKSWAGEN is typically 3–8 business days before dispatch.
Handling time for VAG (VW / Audi / Seat / Cupra): 3–8 business days from order confirmation to dispatch (Monday–Friday). Shipping transit for your country is added on top — see handling times by brand and shipping options.
* Delivery times are estimates and may vary based on manufacturer availability and your location.
Verify Vehicle Fitment
To ensure this part is compatible with your vehicle, please contact us with your VIN (Vehicle Identification Number). Our technical team can verify the exact fitment before you place your order.
Contact us with your VINParts diagram & fitment
1 vehicleSeat Belt Tensioner — locate Seat Belt Tensioner in the official exploded view and explore the surrounding assembly.
RThis part is the Right side
Parts in this assembly48
- 1PartLeft4N0857805B
- 1PartLeft4N0857805C
- 1PartLeft4N0857805D
- 1PartLeft4N0857805E
- 1PartLeft4N0857805F
- 1PartLeft4N0857805G
- 1PartRight4N0857806B
- 1PartRight4N0857806C
- 1PartRight4N0857806E
- 1PartRight4N0857806F
- 1PartRight4N0857806G
- 1PartLeft4N6857805
- 1PartRight4N6857806
- 1PartRight4N0857806D
- 1Seat BeltLeft4N0857805H
- 1Seat BeltLeft4N0857805L
- 1Seat BeltLeft4N0857805M
- 1Seat BeltLeft4N0857805N
- 1Seat BeltRight4N0857806H
- 1Seat BeltRight4N0857806L
- 1Seat BeltRight4N0857806M
- 1Seat BeltRight4N0857806N
- 1Seat BeltLeft4N6857805A
- 1Seat BeltRight4N6857806A
- 2Knob 443857847B
- 3Screw N98924402
- 4Screw N91268001
- 5S Belt GuiLeft4N0857827
- 5S Belt GuiLeft4N6857827
- 5S Belt GuiRight4N6857828
- 5S Belt GuiRight4N0857828
- 6Bolt N10665001
- 7Seat BeltLeft4N0857619
- 8Part 1J0937510A
- 9Housing 4H0972576
- 10Collar Nut N90798805
- 133p Belt 4N0857807A
- 133p Belt 4N0857807
- 18Collar Nut N98923402
- 20Belt Latch 4N0857740C
- 20Lock 4N0857740D
- 20Lock 4N0857740L
- 20Belt Latch 4N0857740S
- 20Lock 4N0857740T
- 20Lock 3SE857739C
- 20Belt Latch 4N0857740AF
- 20Lock 4N0857740AH
- 21Clip 4B0971848
Vehicle fitment table1
Europe (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi A8L | 2017-2022 | 7 | 1 | PR:3NL,5KF | 3NL |
Diagrams & fitment data powered by oemdiagrams.com
Seat Belt Tensioner is fitted on: Audi A8L 2017-2022.