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NGK 48766 Ignition Coil
Reliable Ignition Performance for Audi and Volkswagen Vehicles
The NGK COP Ignition Coil 48766 is designed to deliver consistent ignition performance for select Audi and Volkswagen models. Engineered for distributorless ignition systems, this coil ensures efficient spark delivery directly at the plug, supporting smooth engine operation.
- 12-volt ignition coil compatible with distributorless ignition systems
- Coil-on-plug (COP) design for direct spark delivery
- Blade-type terminals with three terminal connections
- Female connector and male terminal gender for secure fitment
- Non-oil filled construction for reliable operation
- Compatible with Audi A4, A4 Quattro, A6 Quattro, A8, A8 Quattro, Allroad Quattro, Passat, and S4 models
- NGK part number U5004, stock number 48766
About the NGK COP Ignition Coil Product Line
The NGK COP Ignition Coil line focuses on coil-on-plug technology, eliminating the need for traditional distributor caps and ignition wires. This design improves ignition efficiency by delivering spark directly to each cylinder’s spark plug. The NGK COP Ignition Coil 48766 is part of this line, providing a reliable replacement option for vehicles equipped with distributorless ignition systems.
Product Details and Specifications
This ignition coil operates at 12 volts and is specifically designed for distributorless ignition systems, which are common in modern Audi and Volkswagen engines. The coil-on-plug (COP) type allows for direct installation on the spark plug, reducing energy loss and improving ignition timing accuracy. The coil features blade-type terminals with three connections, a female connector, and male terminal gender to ensure proper electrical contact. It is not oil filled, which is typical for COP coils, and does not include a mounting bracket.
Common Applications and Issues Addressed
- Replacement for faulty or worn ignition coils in Audi A4, A4 Quattro, A6 Quattro, A8, A8 Quattro, Allroad Quattro, Passat, and S4
- Resolves engine misfires caused by weak or inconsistent spark delivery
- Improves engine starting and idle stability
- Addresses rough acceleration and power loss related to ignition coil failure
- Helps reduce engine hesitation and stalling issues
Installation Notes and Tips
When installing the NGK COP Ignition Coil 48766, ensure the ignition system is off and the engine is cool. Carefully disconnect the electrical connector and remove the old coil from the spark plug. Install the new coil directly onto the spark plug, making sure the blade terminals align correctly with the vehicle’s wiring harness. No mounting bracket is included, so use the existing hardware if applicable. Verify all connections are secure before starting the engine.
Quality Assurance and Warranty
NGK ignition coils are manufactured to meet OEM specifications for fit, form, and function. The NGK COP Ignition Coil 48766 undergoes rigorous testing to ensure durability and reliable performance under normal operating conditions. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.
| Brand | NGK |
| Part Number | 48766 |
| Position | NGK COP Ignition Coil |
| Voltage | 12 |
| Ignition Type | Distributorless |
| Coil Type | Cop (coil on plug) |
| Oil Filled | No |
| Terminal Type | Blade |
| Terminal Quantity | 3 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Mounting Bracket Included | No |
| Part Number | U5004 |
| Stock Number | 48766 |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Audi | A6 Quattro | 2.7L | V6 | N/A | NGK COP Ignition Coil |
| 2002 | Audi | Allroad Quattro | 2.7L | V6 | N/A | NGK COP Ignition Coil |
| 2002 | Audi | S4 | 2.7L | V6 | N/A | NGK COP Ignition Coil |
| 2001 | Audi | A6 Quattro | 2.7L | V6 | N/A | NGK COP Ignition Coil |
| 2001 | Audi | Allroad Quattro | 2.7L | V6 | N/A | NGK COP Ignition Coil |
| 2001 | Audi | S4 | 2.7L | V6 | N/A | NGK COP Ignition Coil |
| 2000 | Audi | A4 Quattro | 1.8L | L4 | N/A | with 3 Blade Terminals; NGK COP Ignition Coil |
| 2000 | Audi | A6 Quattro | 2.7L | V6 | N/A | NGK COP Ignition Coil |
| 2000 | Audi | S4 | 2.7L | V6 | N/A | NGK COP Ignition Coil |
| 1999 | Audi | A4 | 1.8L | L4 | N/A | with 3 Blade Terminals; NGK COP Ignition Coil |
| 1999 | Audi | A4 Quattro | 1.8L | L4 | N/A | with 3 Blade Terminals; NGK COP Ignition Coil |
| 1999 | Audi | A8 | 3.7L | V8 | N/A | NGK COP Ignition Coil |
| 1999 | Audi | A8 Quattro | 4.2L | V8 | N/A | NGK COP Ignition Coil |
| 1999 | Volkswagen | Passat | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1998 | Audi | A4 | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1998 | Audi | A4 Quattro | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1998 | Audi | A8 | 3.7L | V8 | N/A | NGK COP Ignition Coil |
| 1998 | Audi | A8 Quattro | 4.2L | V8 | N/A | NGK COP Ignition Coil |
| 1998 | Volkswagen | Passat | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1997 | Audi | A4 | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1997 | Audi | A4 Quattro | 1.8L | L4 | N/A | NGK COP Ignition Coil |
| 1997 | Audi | A8 | 3.7L | V8 | N/A | NGK COP Ignition Coil |
| 1997 | Audi | A8 Quattro | 4.2L | V8 | N/A | NGK COP Ignition Coil |
* 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.