NGK
NGK COP Ignition Coil

NGK 49143 Ignition Coil

Brand NGK 49143
Voltage 12
Ignition Type Electronic
Coil Type Cop (coil on plug)
Oil Filled No
Terminal Type Blade
Terminal Quantity 4
Terminal Gender Male
Mounting Bracket Included No
Part Number U5373
Stock Number 49143
Product line NGK COP Ignition Coil
Fits Buick and Chevrolet · 8 vehicles

OE-standard design. Built for dependable ignition performance and consistent durability.

COP construction. Coil-on-plug layout for electronic ignition systems.

Tested for quality. Validated in an ISO 17025 accredited lab under extreme conditions.

Cross-references Continental 49143, Standard Ignition UF821 and 55595516 for the same application. See all 6.

$82.60Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

NGK COP Ignition Coil Overview

The NGK COP Ignition Coil, part number 49143, is built to meet or exceed OE standards for durability and consistent ignition performance. It uses a coil-on-plug design with electronic ignition and a 12-volt configuration for direct replacement applications.

Key Features

  • Coil-on-plug ignition coil for modern electronic ignition systems
  • 12-volt design with blade terminals and male terminal ends
  • Built to OE-level standards for dependable operation
  • Oil-filled construction is not used in this design
  • NGK COP Ignition Coil line backed by extensive OE experience and testing

Detailed Description

NGK part number 49143 is an ignition coil engineered for vehicles that use a COP (coil on plug) layout. It is designed for direct ignition service on applications such as the Buick Cascada and Chevrolet Malibu, where stable spark delivery is critical to engine operation. The electronic ignition format, 4-terminal blade connection, and 12-volt specification make it a fitment-focused replacement for late-model domestic and import vehicles.

The NGK COP Ignition Coil product line reflects the brand’s OE legacy and testing discipline. Each coil is developed and validated in an ISO 17025 accredited test lab, with manufacturing standards aimed at consistent durability and operational performance. This part number 49143 is also cross-referenced to Continental 49143 for the same application.

What It Is Used For

  • Misfire conditions caused by weak or inconsistent spark output
  • Hard starting related to ignition coil failure
  • Rough idle from degraded coil performance
  • Loss of engine efficiency tied to poor ignition delivery
  • Check engine lights associated with ignition coil faults

Installation Notes and Tips

Verify the coil-on-plug layout, terminal style, and electrical specification before installation. Confirm the part number 49143 against the vehicle application and inspect the connector and spark plug condition during service. For fitment, this part fits 2016-2019 Buick Cascada, N/A, and fits 2016-2019 Chevrolet Malibu, N/A.

Quality Assurance

NGK manufactures this ignition coil to meet or exceed OE standards and tests coil designs under extreme conditions in an ISO 17025 accredited laboratory. The brand’s long-standing OE experience supports consistent product quality and application coverage.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
2019BuickCascada1.6LL4—NGK COP Ignition Coil
2019ChevroletMalibu1.8LL4ELECTRIC/GASNGK COP Ignition Coil
2018BuickCascada1.6LL4—NGK COP Ignition Coil
2018ChevroletMalibu1.8LL4—NGK COP Ignition Coil
2017BuickCascada1.6LL4—NGK COP Ignition Coil
2017ChevroletMalibu1.8LL4—NGK COP Ignition Coil
2016BuickCascada1.6LL4—NGK COP Ignition Coil
2016ChevroletMalibu1.8LL4—NGK COP Ignition Coil
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 49143Standard Ignition — UF82155595516E1321IC928UF-821