HomeIgnition > Ignition CoilDenso 673-9300 Direct Ignition Coil
Part #: 673-9300

Denso 673-9300 Direct Ignition Coil

Coil on Plug
50 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Coil on Plug
Fitment: Audi and Volkswagen, A4, TT, TT Quattro, Golf, A4 Quattro, Allroad Quattro, Beetle, Jetta, Passat, and A6 Quattro
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Reliable Ignition Coil for Audi and Volkswagen Vehicles

The Denso 673-9300 Direct Ignition Coil delivers consistent 12-volt performance designed specifically for select Audi and Volkswagen models. Engineered to meet OEM specifications, this black ignition coil ensures efficient spark delivery for smooth engine operation.

  • Direct Ignition Coil with 12-volt rating
  • Compatible with Audi A4, A4 Quattro, A6 Quattro, Allroad Quattro
  • Fits Volkswagen Beetle, Golf, Jetta, Passat, TT, and TT Quattro
  • Durable black housing for heat resistance and longevity
  • Part number 673-9300 for precise replacement

About the Denso Coil on Plug Product Line

The Denso Coil on Plug product line is designed to provide direct ignition coil solutions that mount directly onto the spark plug, eliminating the need for spark plug wires. This design improves ignition efficiency and reduces electrical losses. The 673-9300 coil is part of this line, offering a reliable and compact ignition component tailored for specific Audi and Volkswagen applications.

Product Details and Specifications

This ignition coil operates at 12 volts and features a robust black casing to withstand engine bay conditions. The direct ignition coil design ensures a direct connection to the spark plug, enhancing ignition timing accuracy and engine performance. The Denso 673-9300 is engineered to fit a range of Audi and Volkswagen models, including the Audi A4, A4 Quattro, A6 Quattro, Allroad Quattro, and Volkswagen Beetle, Golf, Jetta, Passat, TT, and TT Quattro.

Common Applications and Issues Addressed

  • Replacement for faulty or worn ignition coils in compatible Audi and Volkswagen models
  • Resolves engine misfires caused by weak or inconsistent spark
  • Improves starting reliability and engine smoothness
  • Addresses rough idling and hesitation during acceleration
  • Helps restore proper ignition timing and fuel efficiency

Installation Notes and Tips

When installing the Denso 673-9300 ignition coil, ensure the engine is cool to prevent burns. Disconnect the battery before removal to avoid electrical shock. Carefully remove the old coil and inspect the spark plug for wear or damage. Install the new coil by firmly seating it onto the spark plug and reconnecting the electrical connector. Verify secure connections and test engine operation after installation.

Quality Assurance and Warranty

Denso ignition coils are manufactured to meet strict quality standards and OEM specifications. The 673-9300 part undergoes rigorous testing to ensure durability and reliable performance. While specific warranty details may vary, Denso products typically include a limited warranty against defects in materials and workmanship.

BrandDenso
Part Number673-9300
PositionCoil on Plug
ColorBlack
Voltage12

This part fits 50 vehicles. Search below:

YearMakeModelPositionNotes
2006AudiA4N/ACoil on Plug
2006AudiTTN/ACoil on Plug
2006AudiTT QuattroN/ACoil on Plug
2006VolkswagenGolfN/A4 Terminal Connector; Coil on Plug
2005AudiA4N/ACoil on Plug
2005AudiA4 QuattroN/ACoil on Plug
2005AudiAllroad QuattroN/ACoil on Plug
2005AudiTTN/ACoil on Plug
2005AudiTT QuattroN/ACoil on Plug
2005VolkswagenBeetleN/ACoil on Plug
2005VolkswagenGolfN/A4 Terminal Connector; Coil on Plug
2005VolkswagenJettaN/ACoil on Plug
2005VolkswagenPassatN/ACoil on Plug
2004AudiA4N/ACoil on Plug
2004AudiA4 QuattroN/ACoil on Plug
2004AudiA6 QuattroN/ACoil on Plug
2004AudiAllroad QuattroN/ACoil on Plug
2004AudiTTN/ACoil on Plug
2004AudiTT QuattroN/ACoil on Plug
2004VolkswagenBeetleN/ACoil on Plug
2004VolkswagenGolfN/A4 Terminal Connector; Coil on Plug
2004VolkswagenJettaN/ACoil on Plug
2004VolkswagenPassatN/ACoil on Plug
2003AudiA4N/ACoil on Plug
2003AudiA4 QuattroN/ACoil on Plug
2003AudiA6 QuattroN/ACoil on Plug
2003AudiAllroad QuattroN/ACoil on Plug
2003AudiTTN/ACoil on Plug
2003AudiTT QuattroN/ACoil on Plug
2003VolkswagenBeetleN/ACoil on Plug
2003VolkswagenGolfN/ACoil on Plug
2003VolkswagenJettaN/ACoil on Plug
2003VolkswagenPassatN/ACoil on Plug
2002AudiA4N/ACoil on Plug
2002AudiA4 QuattroN/ACoil on Plug
2002AudiTTN/ACoil on Plug
2002AudiTT QuattroN/ACoil on Plug
2002VolkswagenBeetleN/ACoil on Plug
2002VolkswagenGolfN/ACoil on Plug
2002VolkswagenJettaN/ACoil on Plug
2002VolkswagenPassatN/ACoil on Plug
2001AudiA4N/ACoil on Plug
2001AudiA4 QuattroN/ACoil on Plug
2001AudiTTN/ACoil on Plug
2001AudiTT QuattroN/ACoil on Plug
2001VolkswagenBeetleN/AFrom Chassis VIN 1C-1-400 001; Coil on Plug
2001VolkswagenGolfN/ACoil on Plug
2001VolkswagenJettaN/AFrom Chassis VIN 9M-1-094 323; Coil on Plug
2001VolkswagenPassatN/ACoil on Plug
2000VolkswagenPassatN/ACoil on Plug

* 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:

5C1391

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.