OE Quality
60-Day Returns

Hitachi IGC3845 Ignition Coil
Reliable Ignition Coil for Audi Quattro Models
The Hitachi IGC3845 ignition coil is engineered to deliver consistent ignition performance for select Audi vehicles. Designed specifically for Audi A6 Quattro, A8 Quattro, Allroad Quattro, and S4 models, this ignition coil ensures proper spark generation for efficient engine operation.
- Manufacturer: Hitachi, a recognized name in automotive ignition components
- Part Number: IGC3845 for precise identification and compatibility
- Compatible with Audi A6 Quattro, A8 Quattro, Allroad Quattro, and S4
- Category: Ignition Coil, essential for spark plug ignition
- GTIN: 00840151000463 for product authenticity verification
Product Details and Specifications
The Hitachi IGC3845 ignition coil is designed to meet the exacting standards required by Audi's advanced ignition systems. This ignition coil converts the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs, igniting the air-fuel mixture in the engine cylinders. Its construction ensures durability and reliable performance under various driving conditions. The coil is engineered to fit seamlessly with the ignition system of Audi A6 Quattro, A8 Quattro, Allroad Quattro, and S4 models, maintaining optimal engine efficiency and reducing misfires.
Common Applications and Problem Resolution
- Restores proper ignition function in Audi A6 Quattro, A8 Quattro, Allroad Quattro, and S4
- Addresses engine misfires and rough idling caused by faulty ignition coils
- Helps resolve starting difficulties related to weak or failing ignition coils
- Improves fuel efficiency by ensuring consistent spark delivery
- Reduces engine hesitation and power loss during acceleration
Installation Notes and Tips
When replacing the ignition coil on compatible Audi models, ensure the engine is cool before beginning installation. Disconnect the battery to prevent electrical shorts. Carefully remove the old ignition coil and inspect the spark plugs and wiring harness for wear or damage. Install the Hitachi IGC3845 ignition coil securely, making sure all electrical connections are tight. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper engine performance.
Quality Assurance and Warranty
Hitachi ignition coils are manufactured to meet OEM specifications, ensuring reliable performance and durability. The IGC3845 ignition coil undergoes rigorous quality control testing to maintain consistent standards. While specific warranty details are not provided here, Hitachi products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.
| Brand | Hitachi |
|---|---|
| Part Number | IGC3845 |
| Manufacturer | Hitachi |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2009 | Audi | S4 | Cabriolet | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2008 | Audi | S4 | Cabriolet | Convertible | 4.2L | V8 | N/A | Availability: Available to Order |
| 2008 | Audi | S4 | Base | Sedan | 4.2L | V8 | N/A | Availability: Available to Order |
| 2007 | Audi | S4 | Cabriolet | Convertible | 4.2L | V8 | N/A | Availability: Available to Order |
| 2007 | Audi | S4 | Base | Sedan | 4.2L | V8 | N/A | Availability: Available to Order |
| 2007 | Audi | S4 | Avant | Wagon | 4.2L | V8 | N/A | Availability: Available to Order |
| 2006 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2006 | Audi | A8 Quattro | Plus | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2006 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2006 | Audi | A8 Quattro | L Plus | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2006 | Audi | A8 Quattro | Base | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2006 | Audi | S4 | Cabriolet | Convertible | 4.2L | V8 | N/A | Availability: Available to Order |
| 2006 | Audi | S4 | Base | Sedan | 4.2L | V8 | N/A | Availability: Available to Order |
| 2006 | Audi | S4 | Avant | Wagon | 4.2L | V8 | N/A | Availability: Available to Order |
| 2005 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2005 | Audi | A6 Quattro | Elite | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2005 | Audi | A8 Quattro | Plus | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2005 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2005 | Audi | A8 Quattro | L Plus | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2005 | Audi | A8 Quattro | Base | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2005 | Audi | Allroad Quattro | Base | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2005 | Audi | S4 | Cabriolet | Convertible | 4.2L | V8 | N/A | Availability: Available to Order |
| 2005 | Audi | S4 | Base | Sedan | 4.2L | V8 | N/A | Availability: Available to Order |
| 2005 | Audi | S4 | Avant | Wagon | 4.2L | V8 | N/A | Availability: Available to Order |
| 2004 | Audi | A8 Quattro | Plus | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2004 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2004 | Audi | A8 Quattro | Base | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2004 | Audi | Allroad Quattro | Base | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2004 | Audi | S4 | Cabriolet | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2004 | Audi | S4 | Base | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2004 | Audi | S4 | Avant | 4.2L | V8 | N/A | Availability: Available to Order | |
| 2003 | Audi | Allroad Quattro | Base | 4.2L | V8 | N/A | Availability: Available to Order |
* 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.