United States
Product overview
Genuine OEM Volkswagen Viscous Coupling, part number 078121350A. This component is part of the engine cooling system and regulates the speed of the engine's cooling fan. It engages the fan based on engine temperature, ensuring optimal cooling without unnecessary power draw. Proper functioning of the viscous coupling is essential for maintaining the correct engine operating temperature. Genuine OEM parts are calibrated for precise temperature response and durability.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 13.7 × 13.7 × 5 cm
- Shipping weight
- 0.6 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
26 vehiclesViscous Coupling — locate 078121350A Volkswagen Viscous Coupling | Fan in the official exploded view and explore the surrounding assembly.
This part is marked discontinued by the manufacturer (since 2022-09-01); contact us to check current availability.
Parts in this assembly27
- 1Air Guide 8D0121283B
- 2Air Guide 8D0121284B
- 3Screw N01395819
- 3Bolt N90504802
- 4Speed Nut N90419002
- 5Bracket 078121235G
- 5Bracket 078121235E
- 6Coupling 058121350
- 7Screw N10302601
- 8Pulley 028119145
- 8Pulley 06B119145
- 8Pulley 058119145
- 10Bolt N90667401
- 11Fan Wheel 078121301E
- 11Fan Wheel 058121301B
- 12Screw N0147454
- 16Seal Strip 4B0121221B
- 18Seal 8D0121331
- 19Part 8D0121331A
- 22Blind 8A0121223
- 23Screw N0161632
- 24Seal Ring N0438083
- 26Blind 8D0121223
- 29Screw N0447141
- 30Screw N10289801
- 31Washer N01155811
- 32Part 8D0117339B
Compatible / alternative parts(1)
Vehicle fitment table26
Europe (24)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| PASSAT/4MOTION/W8 | 2002-2005 | 6 | 1 | AMX,BBG,ATQ | |
| SUPERB 02> | 2001- | 6 | 1 | AMX,BBG | MC9 |
| Audi A6/Wagon/quattro | 2001-2004 | 6 | 1 | T7T | |
| PASSAT 00> | 2000- | 6 | 1 | G0F | |
| Passat/4Motion/W8 | 2000-2002 | 6 | 1 | AMX,BBG,ATQ | |
| AUDI RS4 AV. QU. | 2000-2001 | 6 | 1 | ||
| Audi A8 quattro | 1999-2002 | 5 | 1 | APR,AQD,AMX | |
| Audi A4/Avant | 1999-2001 | 6 | 1 | APZ,AML,ARJ, | |
| Audi A4/Av.qu. | 1999-2001 | 6 | 1 | APZ,AML,ARJ, | |
| AUDI A8 | 1998-2002 | 5 | 1 | APR,AQD,AMX | |
| Passat syncro/4Motion | 1998-2000 | 6 | 1 | ACK,ALG,APR, | |
| Audi A6/Avant | 1997-2001 | 6 | 1 | ||
| Audi A6/Av.qu.F4B-W-> | 1997-2001 | 6 | 1 | ||
| Passat | 1997-2000 | 6 | 1 | ACK,AGE,APR, | |
| Audi A4/Avant F8D-W-> | 1997-1998 | 6 | 1 | ABC,ACK,ALG, | |
| Audi A4/Av.qu.F8D-W-> | 1997-1998 | 6 | 1 | ALF,AGA,AJG, | |
| Audi A8 | 1996-1998 | 5 | 1 | ||
| Audi A8 qu. | 1996-1998 | 5 | 1 | ||
| Audi A6/S6/Wg.qu.F>4A | 1996-1997 | 27 | 1 | ACK | |
| Audi A6/Wagon F >4A-W | 1996-1997 | 27 | 1 | ACK | |
| Audi A4 F>8D-W-.. | 1995-1997 | 6 | 1 | ABC,AAH,AFM, | |
| Audi A4 qu. F>8D-W-.. | 1995-1997 | 6 | 1 | ABC,AAH,ACZ, | |
| Audi A6/Wagon 96 | 1995-1996 | 27 | 1 | ACK | |
| Audi A6/S6/Wagon qu. 96 | 1995-1996 | 27 | 1 | ACK |
Other markets (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| AUDI A6L CHINA | 1999-2005 | 6 | 1 |
Platform / generic diagrams (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| 3B0 platform | 6 |
Diagrams & fitment data powered by oemdiagrams.com
078121350A Volkswagen Viscous Coupling | Fan is fitted on: PASSAT/4MOTION/W8 2002-2005; SUPERB 02> 2001-; Audi A6/Wagon/quattro 2001-2004; PASSAT 00> 2000-; Passat/4Motion/W8 2000-2002; AUDI RS4 AV. QU. 2000-2001; Audi A8 quattro 1999-2002; Audi A4/Avant 1999-2001; Audi A4/Av.qu. 1999-2001; AUDI A8 1998-2002; Passat syncro/4Motion 1998-2000; Audi A6/Avant 1997-2001; Audi A6/Av.qu.F4B-W-> 1997-2001; Passat 1997-2000; Audi A4/Avant F8D-W-> 1997-1998; Audi A4/Av.qu.F8D-W-> 1997-1998; Audi A8 1996-1998; Audi A8 qu. 1996-1998; Audi A6/S6/Wg.qu.F>4A 1996-1997; Audi A6/Wagon F >4A-W 1996-1997; Audi A4 F>8D-W-.. 1995-1997; Audi A4 qu. F>8D-W-.. 1995-1997; Audi A6/Wagon 96 1995-1996; Audi A6/S6/Wagon qu. 96 1995-1996; AUDI A6L CHINA 1999-2005; 3B0 platform.
