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URO 4A0905849B Ignition Switch
Reliable Ignition Switch for Audi, Porsche, and Volkswagen Vehicles
The URO Ignition Switch 4A0905849B is designed to provide consistent and dependable ignition performance for select Audi, Porsche, and Volkswagen models. This ignition switch ensures proper electrical connection for starting your vehicle and maintaining ignition system integrity.
- Compatible with Audi 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200, 200 Quattro, A4, A4 Quattro, A6, A6 Quattro, A8, A8 Quattro, S4, S6, and V8 Quattro models
- Fits Porsche 911, 5000 Quattro, Boxster, Cabriolet, and Coupe Quattro
- Also compatible with Volkswagen Passat
- OEM part number 4A0905849B ensures precise fit and function
- Durable construction designed for long-term use in ignition systems
Product Details and Compatibility
This ignition switch from URO is engineered to meet the specifications of the original equipment manufacturer for a range of Audi, Porsche, and Volkswagen vehicles. The part number 4A0905849B corresponds to a direct replacement ignition switch that maintains the electrical pathways necessary for starting and operating your vehicle’s ignition system. It is compatible with multiple Quattro models, including the Audi 80 Quattro, 90 Quattro, 100 Quattro, and others, as well as Porsche models like the 911 and Boxster. Volkswagen Passat owners will also find this ignition switch suitable for their vehicle’s ignition needs.
Common Applications and Problem Resolution
- Resolves ignition switch failure causing intermittent or no start conditions
- Addresses electrical connection issues within the ignition system
- Replaces worn or damaged ignition switches that affect key turn and start function
- Eliminates ignition switch-related dashboard warning lights or electrical faults
- Restores proper ignition circuit continuity for reliable vehicle operation
Installation Notes and Tips
Installation of the URO ignition switch 4A0905849B should be performed by a qualified automotive technician familiar with Audi, Porsche, and Volkswagen electrical systems. Ensure the vehicle battery is disconnected before beginning installation to prevent electrical shorts. Verify compatibility with your specific vehicle model and year prior to installation. Proper alignment and secure mounting of the ignition switch are critical for optimal performance.
Quality Assurance and Warranty
URO ignition switches are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, URO products typically come with a limited warranty against defects in materials and workmanship. For warranty information, please refer to the product documentation or contact the distributor.
This part fits 106 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Porsche | 911 | 3.6L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2003 | Porsche | Boxster | 2.7L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2003 | Porsche | Boxster | 3.2L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2002 | Porsche | 911 | 3.6L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2002 | Porsche | Boxster | 2.7L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2002 | Porsche | Boxster | 3.2L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2001 | Audi | A4 | N/A | ||||
| 2001 | Audi | A4 Quattro | N/A | ||||
| 2001 | Audi | A6 Quattro | Avant | N/A | |||
| 2001 | Audi | A6 Quattro | Base | 2.8L | V6 | N/A | |
| 2001 | Porsche | 911 | 3.4L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2001 | Porsche | Boxster | 2.7L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2001 | Porsche | Boxster | 3.2L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2000 | Audi | A4 | N/A | ||||
| 2000 | Audi | A4 Quattro | N/A | ||||
| 2000 | Audi | A6 Quattro | Avant | N/A | |||
| 2000 | Audi | A6 Quattro | Base | 2.8L | V6 | N/A | |
| 2000 | Porsche | 911 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |||
| 2000 | Porsche | Boxster | 2.7L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 2000 | Porsche | Boxster | 3.2L | H6 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |
| 1999 | Audi | A4 | N/A | ||||
| 1999 | Audi | A4 Quattro | N/A | ||||
| 1999 | Audi | A6 Quattro | N/A | ||||
| 1999 | Porsche | 911 | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |||
| 1999 | Porsche | Boxster | N/A | Black Version Switch; Only for Models with Early-Style lock assembly | |||
| 1998 | Audi | A4 | N/A | ||||
| 1998 | Audi | A4 Quattro | N/A | ||||
| 1998 | Audi | A6 | N/A | Chassis Range: To 070000 | |||
| 1998 | Audi | A6 Quattro | N/A | ||||
| 1998 | Audi | Cabriolet | N/A | ||||
| 1998 | Porsche | Boxster | N/A | ||||
| 1998 | Volkswagen | Passat | N/A | Chassis Range: Thru 3B-W-068247 | |||
| 1997 | Audi | A4 | N/A | Chassis Range: Thru 8D-V-240000 | |||
| 1997 | Audi | A4 Quattro | N/A | Chassis Range: Thru 8D-V-240000 | |||
| 1997 | Audi | A6 | N/A | ||||
| 1997 | Audi | A6 Quattro | N/A | ||||
| 1997 | Audi | A8 | N/A | Chassis Range: Thru 4D-V-020000 | |||
| 1997 | Audi | A8 Quattro | N/A | ||||
| 1997 | Audi | A8 Quattro | 4.2L | V8 | N/A | ||
| 1997 | Audi | Cabriolet | N/A | ||||
| 1997 | Porsche | Boxster | N/A | ||||
| 1996 | Audi | A4 | N/A | ||||
| 1996 | Audi | A4 Quattro | N/A | ||||
| 1996 | Audi | A6 | N/A | ||||
| 1996 | Audi | A6 Quattro | N/A | ||||
| 1996 | Audi | Cabriolet | N/A | ||||
| 1996 | Audi | S6 | N/A | ||||
| 1995 | Audi | 90 | N/A | ||||
| 1995 | Audi | 90 Quattro | N/A | ||||
| 1995 | Audi | A6 | N/A | ||||
| 1995 | Audi | A6 Quattro | N/A | ||||
| 1995 | Audi | Cabriolet | N/A | ||||
| 1995 | Audi | S6 | N/A | ||||
| 1994 | Audi | 100 | N/A | ||||
| 1994 | Audi | 100 Quattro | N/A | ||||
| 1994 | Audi | 90 | N/A | ||||
| 1994 | Audi | 90 Quattro | N/A | ||||
| 1994 | Audi | Cabriolet | N/A | ||||
| 1994 | Audi | S4 | N/A | ||||
| 1994 | Audi | V8 Quattro | N/A | ||||
| 1993 | Audi | 100 | N/A | ||||
| 1993 | Audi | 100 Quattro | N/A | ||||
| 1993 | Audi | 90 | N/A | ||||
| 1993 | Audi | 90 Quattro | N/A | ||||
| 1993 | Audi | S4 | N/A | ||||
| 1993 | Audi | V8 Quattro | N/A | ||||
| 1992 | Audi | 100 | N/A | ||||
| 1992 | Audi | 100 Quattro | N/A | ||||
| 1992 | Audi | 80 | N/A | ||||
| 1992 | Audi | 80 Quattro | N/A | ||||
| 1992 | Audi | S4 | N/A | ||||
| 1992 | Audi | V8 Quattro | N/A | ||||
| 1991 | Audi | 100 | N/A | ||||
| 1991 | Audi | 100 Quattro | N/A | ||||
| 1991 | Audi | 200 | N/A | ||||
| 1991 | Audi | 200 Quattro | N/A | ||||
| 1991 | Audi | 80 | N/A | ||||
| 1991 | Audi | 80 Quattro | N/A | ||||
| 1991 | Audi | 90 | N/A | ||||
| 1991 | Audi | 90 Quattro | N/A | ||||
| 1991 | Audi | Coupe Quattro | N/A | ||||
| 1991 | Audi | V8 Quattro | N/A | ||||
| 1990 | Audi | 100 | N/A | ||||
| 1990 | Audi | 100 Quattro | N/A | ||||
| 1990 | Audi | 200 | N/A | ||||
| 1990 | Audi | 200 Quattro | N/A | ||||
| 1990 | Audi | 80 | N/A | ||||
| 1990 | Audi | 80 Quattro | N/A | ||||
| 1990 | Audi | 90 | N/A | ||||
| 1990 | Audi | 90 Quattro | N/A | ||||
| 1990 | Audi | Coupe Quattro | N/A | ||||
| 1990 | Audi | V8 Quattro | N/A | ||||
| 1989 | Audi | 100 | N/A | ||||
| 1989 | Audi | 100 Quattro | N/A | ||||
| 1989 | Audi | 200 | N/A | ||||
| 1989 | Audi | 200 Quattro | N/A | ||||
| 1989 | Audi | 80 | N/A | ||||
| 1989 | Audi | 80 Quattro | N/A | ||||
| 1989 | Audi | 90 | N/A | ||||
| 1989 | Audi | 90 Quattro | N/A | ||||
| 1988 | Audi | 5000 Quattro | 2.3L | L5 | N/A | ||
| 1988 | Audi | 80 | N/A | ||||
| 1988 | Audi | 80 Quattro | N/A | ||||
| 1988 | Audi | 90 | N/A | ||||
| 1988 | Audi | 90 Quattro | N/A | ||||
| 1987 | Audi | 5000 Quattro | 2.3L | L5 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.