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Denso 673-9304 Direct Ignition Coil
| Brand | Denso 673-9304 |
|---|---|
| Color | Black |
| Voltage | 12 |
| Product line | Coil on Plug |
| Fits | Audi and Volkswagen · 4 vehicles |
Direct ignition coil. OE-style replacement for reliable spark delivery.
Stick coil design. Compact coil-on-plug construction for efficient ignition.
Black finish. Clean, factory-style appearance under the hood.
Cross-references Airtex 5C1465, Audi 022 905 715 B and Beck/Arnley 178-8415 for the same application. See all 12.
Denso Direct Ignition Coil 673-9304
Denso 673-9304 is a 12-volt direct ignition coil in black, built for coil-on-plug ignition systems. It is a fitment-based replacement for select Audi and Volkswagen applications, including Audi A3 Quattro, Audi TT Quattro, and Volkswagen Eos.
Coil on Plug Design
As part of Denso’s Coil on Plug line, this ignition coil is engineered for direct mounting at the spark plug location. The 12V design supports stable ignition performance in modern coil-on-plug systems, while the black housing matches the original-style appearance used on many applications.
- Direct ignition coil for coil-on-plug systems
- 12-volt electrical specification
- Black housing
- Fitment for select 2008-2009 Audi A3 Quattro applications
- Fitment for 2009 Audi TT Quattro and 2008 Volkswagen Eos
Detailed Product Information
Denso 673-9304 is built for drivers replacing a failed ignition coil on vehicles that use a coil-on-plug setup. This part number is listed for 2008-2009 Audi A3 Quattro, 2009 Audi TT Quattro, and 2008 Volkswagen Eos applications. If you are searching for a Denso 673-9304 ignition coil for Audi A3 Quattro or a direct ignition coil for Volkswagen Eos, this part number matches those confirmed vehicle listings.
Denso states that its stick coil technology is backed by extensive testing and inspection to help maintain consistent quality. This part cross-references Bosch 0 986 221 051 and Standard Ignition UF531 for the same application.
Common Replacement Reasons
- Engine misfire from a weak or failed ignition coil
- Rough idle during cold start or acceleration
- Hard starting caused by inconsistent spark delivery
- Check engine light related to ignition coil faults
- Loss of power under load in coil-on-plug systems
Installation Notes and Tips
Verify the part number and vehicle application before installation. Confirm the connector style, mounting location, and ignition system layout on the vehicle before replacing the coil. For best results, inspect spark plugs and related ignition components at the same time, since worn plugs can place added stress on the coil.
Quality Assurance
Denso’s Coil on Plug line is supported by the brand’s testing and inspection process for ignition components. The manufacturer positions this product line as a direct replacement option for select OE-style applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Audi | A3 Quattro | N/A | Coil on Plug |
| 2009 | Audi | TT Quattro | N/A | Coil on Plug |
| 2008 | Audi | A3 Quattro | N/A | Coil on Plug |
| 2008 | Volkswagen | Eos | N/A | Coil on Plug |
| No rows match your filter. | ||||