Delphi GN10400 Ignition Coil

Brand Delphi GN10400
Coil Type Coil On Plug Ignition
Package Contents Ignition Coil, Instruction Sheet
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Fits Mazda · 2 vehicles

Coil-on-plug design. Delivers direct ignition performance in a compact ignition coil.

Blade terminals. Two male terminals provide a secure electrical connection.

OE heritage. Built with 100 years of OE experience and supplier knowledge.

Cross-references Beck/Arnley 178-8395, PRENCO 36-8118 and Spectra Premium C-779 for the same application. See all 20.

$73.03Free 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.

Delphi GN10400 Ignition Coil for Mazda 5

The Delphi GN10400 ignition coil is a coil-on-plug replacement built for direct ignition service on select Mazda 5 models. It combines Delphi OE heritage with the fit and terminal design needed for reliable spark delivery in everyday driving.

  • Coil-on-plug ignition coil for direct replacement use
  • Blade terminal design with 2 male terminals
  • Includes ignition coil and instruction sheet
  • Built from Delphi OE experience and aftermarket engineering knowledge
  • Fits 2006-2007 Mazda 5

Detailed Product Overview

Delphi GN10400 is an ignition coil designed for vehicles that use a coil-on-plug setup, where the coil mounts directly at the spark plug location. This design supports consistent ignition performance and straightforward service replacement on the 2006-2007 Mazda 5. The GN10400 part number is also a useful reference when cross-checking ignition coil listings for the same application, including Delphi GN10400 and Standard Ignition UF-541.

Delphi draws on long OE supply experience, and that background is reflected in the construction and application focus of this ignition coil. For shoppers searching for a Mazda 5 ignition coil replacement, a coil-on-plug ignition coil for 2006 Mazda 5, or a Delphi GN10400 ignition coil for 2007 Mazda 5, this part matches the listed fitment and terminal configuration.

Common Issues This Part Can Address

  • Engine misfire caused by a weak or failing ignition coil
  • Rough idle related to inconsistent spark output
  • Hard starting from degraded coil performance
  • Loss of acceleration response tied to ignition breakdown
  • Check engine light conditions associated with ignition coil faults

Installation Notes and Tips

Verify the coil-on-plug layout, blade terminal style, and 2-terminal male connection before installation. Compare the original coil shape and connector style to the Delphi GN10400 and inspect the spark plug well, connector, and surrounding ignition components for wear or contamination before fitting the replacement.

Quality Assurance

Delphi builds aftermarket parts using OE experience and application knowledge developed through service to major automakers. That OE-focused background supports consistent part selection for the 2006-2007 Mazda 5 ignition system.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007Mazda5N/A—
2006Mazda5N/A—
Directly replaces or cross-references 20 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 178-8395PRENCO — 36-8118Spectra Premium — C-779Standard Ignition — UF-541Walker Products — 921-21785C174123-013152-2096C1684CLS1207E1041EBC1117IC621IC621SBLFB6 18 100LFB6 18 100CLFB6-18-100ALFB6-18-100BLFB6-18-100B9ULFB6-18-100C9U