NGK 49427 Ignition Coil

NGK COP Ignition Coil for OE-Style Replacement

NGK Part Number 49427 is a COP (pencil type) ignition coil built for distributorless ignition systems. It is a standard replacement coil with a 12.0V design, black housing, blade terminals, and a bolt-on mount for direct service on supported vehicles.

Compatible With Toyota Camry, Corolla, RAV4, Highlander, Solara, Scion tC and xB, Lexus HS250h, Pontiac Vibe, and Toyota Matrix applications that use this coil style. The NGK COP (Pencil Type) Ignition Coil Multi-Pack line is backed by NGK’s long OE-focused manufacturing experience and testing under controlled lab conditions.

Key Features

• NGK ignition coil, Part Number 49427
• COP (pencil type) coil for distributorless ignition systems
• 12.0V standard replacement design
• Blade terminal connection with 4 terminals and 1 connector
• Bolt-on mount with 1 mounting hole
• Black finish, non-oil-filled construction
• OE-style coverage for late-model domestic and import vehicles

Product Details

This ignition coil is engineered to meet or exceed OE standards for durability and consistent operation. NGK develops and tests its coil designs in an ISO 17025 accredited lab, using validation methods that exceed normal vehicle operating conditions. For drivers servicing Toyota Camry, Corolla, RAV4, Highlander, or Solara ignition systems, Part Number 49427 provides a direct-fit replacement option for the specified COP application.

This part cross-references DENSO Auto Parts 673-1307 and Standard Ignition UF-333 for the same application.

Common Problems This Coil Can Address

• Engine misfire under load or at idle
• Rough running after ignition coil failure
• Hard starting caused by weak spark output
• Check engine light related to ignition performance
• Intermittent loss of power from a failing COP coil

Installation Notes

• Verify connector style, terminal count, and mount type before installation.
• Inspect spark plugs and related ignition components during service.
• Use the vehicle’s service information to confirm the exact application for your Toyota, Scion, Lexus, or Pontiac model.
• Clear diagnostic trouble codes after installation if required by the repair procedure.

Quality Assurance

NGK manufactures ignition coils to OE-level standards and validates designs through rigorous testing in an accredited laboratory. The brand’s OE legacy and broad vehicle coverage support confident replacement on the listed applications.