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Febi 21842 Engine Coolant Reservoir
| Brand | Febi 21842 |
|---|---|
| Fits | Audi and Volkswagen · 44 vehicles |
Plastic construction. Lightweight reservoir built for dependable coolant storage.
Coolant level sensor. Includes sensor provision for easier fluid monitoring.
No lid included. Use your existing cap or choose the matching lid separately.
Cross-references 8D0 121 403 F, 8D0 121 403 J and 8D0 121 403 L for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Coolant Reservoir for Audi and Volkswagen
Febi 21842 is an engine coolant reservoir for select Audi and Volkswagen applications. It is built from plastic and includes two connections, a coolant level sensor provision, and a design supplied without a lid.
Key Features
- Plastic coolant expansion tank for engine cooling system service
- Two connection points for the specified vehicle cooling circuit layout
- Includes coolant level sensor provision
- Supplied without lid
- Febi 21842 replacement part for OE-style fitment
Fitment Details
- Fits 2003-2005 Audi Allroad Quattro, N/A
- Fits 1998-2005 Volkswagen Passat, N/A
- Fits 2003-2004 Audi RS6, N/A
- Fits 1997-2001 Audi A4, N/A
- Fits 1998-2001 Audi A4 Quattro, N/A
- Fits 2000-2001 Audi A6, N/A
- Fits 2000-2001 Audi A6 Quattro, N/A
- Fits 2000-2001 Audi S4, N/A
- Fits 1997-1999 Audi A4, N/A, From Chassis No.: 8D-W-000 001
- Fits 1997-1999 Audi A4 Quattro, N/A, From Chassis No.: 8D-W-000 001
- Fits 1997-1999 Audi A6, N/A
- Fits 1997-1999 Audi A6 Quattro, N/A
- Fits 1996-1997 Volkswagen Passat, N/A
- Fits 1996 Audi A4, N/A, Vehicle Identification Number (Vin) From: ******8D*W*000001
- Fits 1996 Audi A4 Quattro, N/A, Vehicle Identification Number (Vin) From: ******8D*W*000001
What This Reservoir Helps Address
- Cracked or leaking coolant expansion tank
- Low coolant level warnings from a damaged reservoir sensor area
- Coolant loss caused by aging plastic
- Cooling system service on Audi A4, A4 Quattro, A6, A6 Quattro, S4, RS6, and Allroad Quattro models
- Replacement needs on Volkswagen Passat cooling systems
Installation Notes and Tips
Verify the vehicle’s chassis number or VIN break before ordering, especially on 1996-1999 Audi A4 and A4 Quattro applications. Confirm the reservoir configuration matches the two-connection layout and the coolant level sensor setup. This part is supplied without a lid, so reuse or source the correct cap separately if needed. Febi 21842 cross-references OE-style part numbers 8D0 121 403 F and 8D0 121 403 J for the same application.
Quality Assurance
Febi is a recognized aftermarket brand for European vehicle replacement parts, and the febi line focuses on application-specific components for Audi and Volkswagen cooling system service. Febi 21842 is built to match the listed fitment and equipment requirements for the covered vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Audi | Allroad Quattro | — | — | N/A | — |
| 2005 | Volkswagen | Passat | — | — | N/A | — |
| 2004 | Audi | Allroad Quattro | — | — | N/A | — |
| 2004 | Audi | RS6 | — | — | N/A | — |
| 2004 | Volkswagen | Passat | — | — | N/A | — |
| 2003 | Audi | Allroad Quattro | — | — | N/A | — |
| 2003 | Audi | RS6 | — | — | N/A | — |
| 2003 | Volkswagen | Passat | — | — | N/A | — |
| 2002 | Volkswagen | Passat | — | — | N/A | — |
| 2001 | Audi | A4 | — | — | N/A | — |
| 2001 | Audi | A4 Quattro | — | — | N/A | — |
| 2001 | Audi | A6 | — | — | N/A | — |
| 2001 | Audi | A6 Quattro | — | — | N/A | — |
| 2001 | Audi | S4 | — | — | N/A | Weight (lbm / kg) 0.6; febi |
| 2001 | Volkswagen | Passat | — | — | N/A | — |
| 2000 | Audi | A4 | — | — | N/A | — |
| 2000 | Audi | A4 Quattro | — | — | N/A | — |
| 2000 | Audi | A6 | — | — | N/A | — |
| 2000 | Audi | A6 Quattro | — | — | N/A | — |
| 2000 | Audi | S4 | — | — | N/A | Weight (lbm / kg) 0.6; febi |
| 2000 | Volkswagen | Passat | — | — | N/A | — |
| 1999 | Audi | A4 | — | — | N/A | — |
| 1999 | Audi | A4 | — | — | N/A | From Chassis No.: 8D-W-000 001 |
| 1999 | Audi | A4 Quattro | — | — | N/A | — |
| 1999 | Audi | A4 Quattro | — | — | N/A | From Chassis No.: 8D-W-000 001 |
| 1999 | Audi | A6 | — | — | N/A | Weight (lbm / kg) 0.6; febi |
| 1999 | Audi | A6 Quattro | — | — | N/A | Weight (lbm / kg) 0.6; febi |
| 1999 | Volkswagen | Passat | — | — | N/A | — |
| 1998 | Audi | A4 | — | — | N/A | — |
| 1998 | Audi | A4 | — | — | N/A | From Chassis No.: 8D-W-000 001 |
| 1998 | Audi | A4 Quattro | — | — | N/A | — |
| 1998 | Audi | A4 Quattro | — | — | N/A | From Chassis No.: 8D-W-000 001 |
| 1998 | Audi | A6 | — | — | N/A | Weight (lbm / kg) 0.6; febi |
| 1998 | Audi | A6 Quattro | — | — | N/A | Weight (lbm / kg) 0.6; febi |
| 1998 | Volkswagen | Passat | — | — | N/A | — |
| 1997 | Audi | A4 | — | — | N/A | — |
| 1997 | Audi | A4 | — | — | N/A | From Chassis No.: 8D-W-000 001 |
| 1997 | Audi | A4 Quattro | — | — | N/A | From Chassis No.: 8D-W-000 001 |
| 1997 | Audi | A6 | — | — | N/A | Weight (lbm / kg) 0.6; febi |
| 1997 | Audi | A6 Quattro | — | — | N/A | Weight (lbm / kg) 0.6; febi |
| 1997 | Volkswagen | Passat | 2.8L | V6 | N/A | Weight (lbm / kg) 0.6; febi |
| 1996 | Audi | A4 | — | — | N/A | Vehicle Identification Number (Vin) From: ******8D*W*000001; febi |
| 1996 | Audi | A4 Quattro | — | — | N/A | Vehicle Identification Number (Vin) From: ******8D*W*000001; febi |
| 1996 | Volkswagen | Passat | 1.9L | L4 | N/A | Weight (lbm / kg) 0.6; febi |
| No rows match your filter. | ||||||