NGK 48684 Ignition Coil

NGK COP Ignition Coil for Volkswagen

The NGK COP (Pencil Type) Ignition Coil is built for distributorless ignition systems and is engineered to meet or exceed OE standards for durability and consistent spark delivery. This NGK ignition coil is a direct-fit replacement for select Volkswagen Golf and Volkswagen Jetta applications, including 2002-2005 Volkswagen Golf and 2002-2004 Volkswagen Jetta.

Key Features

• Brand: NGK
• Part Number: 48684
• COP (Pencil Type) ignition coil for distributorless ignition systems
• 12-volt design
• Blade terminal style with 4 terminals
• Female connector and male terminal configuration
• Oil filled: No
• Mounting bracket included: No

Product Details

NGK COP ignition coils are developed for OE-level fit and performance, with testing performed in an ISO 17025 accredited lab under demanding conditions. The coil design supports late-model domestic and import coverage, and this application-specific unit is listed for 2002-2005 Volkswagen Golf and 2002-2004 Volkswagen Jetta. Part number 48684 is also referenced as U5011.

This part cross-references DENSO Auto Parts 673-9306 and Standard Ignition UF-404 for the same application.

Common Issues This Coil May Address

• Engine misfire under load
• Rough idle or uneven acceleration
• Hard starting caused by weak ignition output
• Check engine light related to ignition coil performance
• Loss of spark consistency in distributorless ignition systems

Installation Notes and Tips

Verify connector style, terminal count, and engine application before installation. This NGK ignition coil 48684 is designed for distributorless ignition systems and uses a COP pencil-type layout, so confirm the original coil matches the blade terminal and female connector configuration. For best results, inspect spark plugs and related ignition components during replacement on Volkswagen Golf and Volkswagen Jetta models.

Quality Assurance

NGK manufactures ignition coils to OE-level standards and validates designs through controlled laboratory testing. The brand’s long-standing focus on ignition components and broad vehicle coverage supports consistent replacement quality for Volkswagen ignition service.