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Number 20 marks the part’s position in the exploded view (Audi A6 2.0 (2018-)).
Product overview
Genuine OEM Audi Rear Seat Belt Buckle, part number 4K8857739NMNB. This critical safety component is designed to securely engage the seat belt tongue, ensuring proper occupant restraint during vehicle operation. It is specifically located for the rear left seating position. Weighing 0.678 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.
Catalogue entry: BLACK; BELT LATCH left.
Fitted with: N98991001 Hexagon nut, 4K8857739AC LOCK, 4K8857739ACMNB BLACK, 4K8857739AJ LOCK, 4K8857739AJMNB BLACK, 4K8857739AM LOCK, 4K8857739AMMNB BLACK, 4K8857739AT LOCK, 4K8857739ATMNB BLACK, 4K8857739L LOCK, 4K8857739LMNB BLACK, 4K8857739AR LOCK.
Technical details
- Base part number
- 4K8857739N
- Category
- Airbags & Safety
- Colour / finish
- MNB
- Customs (HS) code
- 83023000
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 18 × 13 × 8.5 cm
- Shipping weight
- 678 g
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 4X4
- 4X9
- 9P2
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
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
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