HomeIgnition > Ignition CoilStandard Ignition UF-321 Ignition Coil
Part #: UF-321

Standard Ignition UF-321 Ignition Coil

4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$124.51Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi, A4 and A4 Quattro
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Ignition Coil for Audi A4 and A4 Quattro

The Standard Ignition UF-321 ignition coil is designed specifically for Audi A4 and A4 Quattro models. This ignition coil ensures consistent spark delivery for optimal engine performance and smooth operation.

Key Features of Standard Ignition UF-321 Ignition Coil

  • Compatible with Audi A4 and A4 Quattro vehicles
  • Direct replacement ignition coil for reliable spark generation
  • Engineered to meet OEM specifications for fit and function
  • Durable construction to withstand high engine temperatures
  • Part number UF-321 for easy identification and ordering

Detailed Description of the UF-321 Ignition Coil

The Standard Ignition UF-321 ignition coil is an essential component in the ignition system of Audi A4 and A4 Quattro models. It 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. Designed to meet or exceed original equipment standards, this ignition coil provides consistent performance and helps maintain engine efficiency. Its precise fitment ensures straightforward installation without modifications.

Common Issues Addressed by the UF-321 Ignition Coil

  • Engine misfires or rough idling in Audi A4 and A4 Quattro
  • Difficulty starting the engine or intermittent stalling
  • Reduced fuel efficiency due to incomplete combustion
  • Check engine light triggered by ignition system faults
  • Loss of power or hesitation during acceleration

Installation Notes and Tips

  • Ensure the ignition coil is compatible with your specific Audi A4 or A4 Quattro model year
  • Disconnect the battery before installation to prevent electrical shock
  • Remove the old ignition coil carefully to avoid damaging connectors or wiring
  • Verify all electrical connections are secure after installation
  • Test the ignition system after replacement to confirm proper operation

Quality Assurance and Warranty Information

Standard Ignition manufactures the UF-321 ignition coil to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Standard Ignition products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberUF-321
Attachment MethodBolt On
ColorBlack
Connector GenderFemale; Male
Connector ShapeRectangular
Ignition TypeHEI
Mounting Bracket(s) IncludedYes
Mounting LocationDistributorless
Terminal GenderMale; Female
Terminal TypeBlade
Voltage12

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997AudiA42.8LV6N/A
1997AudiA4 Quattro2.8LV6N/A
1996AudiA42.8LV6N/A
1996AudiA4 Quattro2.8LV6N/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:

078905101C178-83242-5000223-03632505-3462136-1183485984IC39752-15405C104589057985C1086CLS1259E674EBE1706IC218

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