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Number 19 marks the part’s position in the exploded view (Audi A6 (2018-2025)).
Product overview
Genuine OEM Audi Refrigerant Line, part number 4K0820721B. Fits Audi A6 (2018-2025), Audi A7 Sportback (2018-2025). Shown as position 19 in the fuel, exhaust and cooling diagram 435260700. Equipment code: KK1.
Catalogue entry: LINE.
Technical details
- Category
- Heating & A/C
- Diagram sheet
- Audi 435260700, position 19
- ETKA group
- 2 / 60 (260)
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- KK1
- T5R
- K8R
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.
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Parts diagram & fitment
2 vehiclesRefrigerant Line — locate 4K0820721B Audi Refrigerant Line in the official exploded view and explore the surrounding assembly.
Parts in this assembly45
- 1A C Conden 4K0816411H
- 5Screw N10414402
- 6Seal Ring 4E0260749A
- 7Seal Ring 4M0261185
- 8Part 4M0959603E
- 8Part 4M0959603J
- 9Part 4K0816704AA
- 9Part 4K0816704AB
- 9Part 4K0816704S
- 9Line 4K0816704F
- 15Part 5Q0816581
- 15Part 3C0820581
- 16Valve 8E0820855
- 17Bolt N91071702
- 19Line 4K0816721EP
- 19Line 4K0816721FC
- 19Line 4K0820721C
- 25Seal Ring 3D0260749C
- 27Line 4K0816711J
- 28Collar Nut N01508210
- 35Seal Ring 4E0260749C
- 36Bolt N91068001
- 37Line 4K0816739K
- 38Seal Ring 4E0260749B
- 42Line 4K0816700F
- 42Line 4K0816700G
- 52Line 4K0816719G
- 55Valve 4M0816805B
- 56Screw N91097201
- 62Line 4K0816739L
- 66Bracket 4K0820196BH
- 67Bolt N10405604
- 70Valve 4M0816806
- 75Part 5Q0816231
- 75Part 3C0820231
- 77Screw N91128001
- 79Seal Ring 8E0260749C
- 81Line 4K0816743CK
- 81Part 4K0816743DN
- 81Part 4K0816743DP
- 81Part 4K0816743DR
- 81Part 4K0820743N
- 81Part 4K0820743P
- 81Part 4K0820743Q
- 81Line 4K0820743G
Vehicle fitment table2
Europe (2)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| audi a6 2.0 | 2018- | 19 | 1 | PR:T5R+KK1 | KK1 |
| Audi A7 Sportback | 2018- | 19 | 1 | PR:T5R+K8R+ |
The manufacturer’s catalogue lists this part number as fitted until 21 June 2021; later builds may use a superseding number.
Diagrams & fitment data powered by oemdiagrams.com
4K0820721B Audi Refrigerant Line is fitted on: audi a6 2.0 2018-; Audi A7 Sportback 2018-.
