United States
Product overview
Genuine OEM Audi Rear Seat Belt Buckle, part number 4K8857739LMNB. This critical safety component is responsible for securely latching the seat belt, ensuring proper occupant restraint during vehicle operation. It is specifically designed for the rear left seating position. Weighing 0.607 kg, this buckle assembly is finished in MNB colour and includes necessary electrical connections. Genuine OEM seat belt buckles are engineered to precise safety standards, ensuring reliable locking mechanisms and proper sensor integration for optimal crash protection.
Technical details
- Base part number
- 4K8857739L
- Category
- Airbags & Safety
- Colour / finish
- MNB
- Customs (HS) code
- 83089000
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 19.5 × 10 × 8.5 cm
- Shipping weight
- 0.61 kg
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
4 vehiclesLock (Satin black/traffic red) — locate 4K8857739LMNB Audi Rear Seat Belt Buckle | Left MNB in the official exploded view and explore the surrounding assembly.
You are ordering the Satin black/traffic red version — 4K8857739LMNB. The diagram shows its base part number 4K8857739L.
This part is marked discontinued by the manufacturer (since 2023-07-01); contact us to check current availability.
Parts in this assembly42
- 13p BeltLeft4K8857805E
- 13p BeltLeft4K8857805F
- 1PartLeft4K8857805G
- 1PartLeft4K8857805H
- 1PartLeft4K8857805J
- 13p BeltLeft4K8857805K
- 1PartLeft4K8857805L
- 1PartLeft4K8857805M
- 1PartLeft4K8857805N
- 1PartRight4K8857806H
- 1PartRight4K8857806J
- 1PartRight4K8857806M
- 1PartRight4K8857806N
- 2Knob 443857847B
- 3Screw WHT003233
- 4Screw N98926101
- 5S Belt GuiLeft4K8857791A
- 5S Belt GuiRight4K8857792A
- 6Clip 6N0867190A
- 8S Belt Gui 80A857817
- 103p Belt 4K8857807D
- 103p Belt 4K8857807E
- 12Clip 4S0805163
- 13Part N98991001
- 15Cover 8W0857763
- 20Lock 4K8857739AJ
- 20Lock 4K8857739AM
- 20Belt Latch 4K8857739AN
- 20Lock 4K8857739AR
- 20Lock 4K8857739AT
- 20Belt Latch 4K8857739BA
- 20Lock 4K8857739L
- 20Belt Latch 4KD857739
- 21Housing 1K0971992
- 23Belt Latch 4K8857740AF
- 23Belt Latch 4K8857740AG
- 23Belt Latch 4K8857740AH
- 23Lock 4K8857740AJ
- 23Belt Latch 4K8857740AK
- 23Lock 4K8857740AL
- 23Belt Latch 4K8857740L
- 23Lock 4KD857740
Vehicle fitment table4
Europe (4)
| Vehicle | Years | Pos. |
|---|---|---|
| Audi RS6 Avant | 2019- | 20 |
| Audi RS7 Sportback | 2019- | 20 |
| audi a6 2.0 | 2018- | 20 |
| Audi A7 Sportback | 2018- | 20 |
Diagrams & fitment data powered by oemdiagrams.com
4K8857739LMNB Audi Rear Seat Belt Buckle | Left MNB is fitted on: Audi RS6 Avant 2019-; Audi RS7 Sportback 2019-; audi a6 2.0 2018-; Audi A7 Sportback 2018-.
