NGK
NGK COP (Waste Spark) Ignition Coil

NGK 48915 Ignition Coil

Brand NGK 48915
Voltage 12
Ignition Type Distributorless
Coil Type Cop (waste spark)
Oil Filled No
Terminal Type Blade
Terminal Quantity 3
Connector Gender Female
Terminal Gender Male
Mounting Bracket Included No
Part Number U4013
Stock Number 48915
Product line NGK COP (Waste Spark) Ignition Coil
Fits Mazda · 5 vehicles

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

COP waste spark coil. Distributorless ignition coil with blade terminals.

12-volt operation. Female connector and male terminals for a secure electrical connection.

Cross-references Beck/Arnley 178-8481, NGK 48915 and Standard Ignition UF-408 for the same application. See all 10.

$62.48Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $62.48
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

NGK Ignition Coil for Mazda Miata

The NGK 48915 ignition coil is a distributorless COP (waste spark) coil built for 12-volt ignition systems. It is engineered to meet or exceed OE standards for durability and consistent spark delivery, making it a direct-fit choice for 2001-2005 Mazda Miata applications.

For drivers searching for a Mazda Miata ignition coil replacement, NGK 48915 offers OE-style construction, a 3-terminal blade design, and a female connector with male terminals for straightforward integration into the factory ignition setup.

Key Features

  • Fits 2001-2005 Mazda Miata, N/A
  • Distributorless COP (waste spark) ignition coil design
  • 12-volt electrical specification
  • 3-terminal blade connection with female connector and male terminals
  • Oil-filled: No
  • Mounting bracket not included
  • NGK part number 48915

Product Details

NGK 48915 is part of the NGK COP (Waste Spark) Ignition Coil line, a product family focused on OE-level fit, durability, and consistent ignition performance. NGK develops and tests its ignition components in controlled lab conditions to verify operation under demanding environments, and the brand’s broad late-model domestic and import coverage supports common service needs on vehicles like the Mazda Miata. This part cross-references Standard Ignition UF-408 for the same application.

Common Problems This Coil Can Address

  • Engine misfire caused by weak or inconsistent coil output
  • Hard starting related to ignition spark loss
  • Rough idle from degraded coil performance
  • Intermittent hesitation during acceleration
  • Check engine light concerns tied to ignition coil failure

Installation Notes and Tips

Verify the connector style, terminal count, and ignition type before installation. This coil uses a distributorless COP waste spark configuration and a 3-blade terminal layout, so matching the factory electrical connection is important for proper operation. Confirm fitment for your specific 2001-2005 Mazda Miata before replacing the original coil, and inspect related ignition components such as spark plugs and wiring for wear.

Quality Assurance

NGK manufactures ignition coils to meet or exceed OE standards and validates designs in an ISO 17025 accredited test lab. The NGK 48915 is built for dependable service in factory-style ignition systems and backed by NGK’s long-standing ignition component expertise.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2005MazdaMiata1.8LL4NGK COP (Waste Spark) Ignition Coil
2004MazdaMiata1.8LL4NGK COP (Waste Spark) Ignition Coil
2003MazdaMiata1.8LL4NGK COP (Waste Spark) Ignition Coil
2002MazdaMiata1.8LL4NGK COP (Waste Spark) Ignition Coil
2001MazdaMiata1.8LL4NGK COP (Waste Spark) Ignition Coil
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 178-8481NGK — 48915Standard Ignition — UF-408Walker Products — 921-2060BP6D-18-100ABP6D-18-100A-9UE428IC528IGC0072UF408