Delphi GN10635 Ignition Coil

Brand Delphi 18-5917-91
Coil Type Distributor Coil
Package Contents Ignition Coil, Instruction Sheet
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Fits Ford · 12 vehicles

OE heritage. Built with a century of original-equipment experience.

Distributor coil. A direct ignition coil design for dependable spark delivery.

Blade terminals and a male connector simplify installation.

Cross-references Spectra Premium C-949, Standard Ignition UF-736 and 36-8291 for the same application. See all 9.

$43.34Free 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 $43.34
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Delphi GN10635 Ignition Coil Overview

The Delphi GN10635 ignition coil is a distributor-style replacement built for Ford ignition systems that need consistent spark output and OE-level fit. It draws on Delphi’s long OE heritage and aftermarket engineering to support reliable ignition performance in everyday driving.

Compatible With 2014-2017 Ford Fiesta, 2015-2018 Ford Focus, and 2018-2021 Ford EcoSport applications, this ignition coil is a direct-fit service part for common Ford compact and subcompact platforms. The Delphi GN10635 is a practical choice when diagnosing misfire concerns or replacing a worn original coil.

Key Features

  • Distributor coil design for Ford ignition applications
  • Blade terminal type with 2 male terminals for straightforward connection
  • OE-informed construction based on Delphi’s supplier experience
  • Includes ignition coil and instruction sheet
  • Cross-reference part numbers include Standard Ignition UF-736 and Spectra Premium C-949

Detailed Product Description

Delphi GN10635 is an ignition coil engineered for distributor-style ignition systems used on select Ford Fiesta, Ford Focus, and Ford EcoSport models. The coil is built with OE heritage and application knowledge that Delphi applies across its aftermarket line, helping maintain the electrical characteristics expected by the vehicle’s ignition system. If you are replacing a failing coil on a 2014-2017 Ford Fiesta, 2015-2018 Ford Focus, or 2018-2021 Ford EcoSport, this part number GN10635 provides a focused replacement option.

This part cross-references Standard Ignition UF-736 and Spectra Premium C-949 for the same application.

Common Issues This Part Can Address

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

Installation Notes and Tips

Verify the connector style, terminal count, and vehicle application before installation. The Delphi GN10635 uses a blade terminal design with 2 male terminals, so matching the electrical connection is important for proper fitment. Confirm the vehicle year and model against the listed applications for Ford Fiesta, Ford Focus, and Ford EcoSport before replacing the original coil.

Quality Assurance

Delphi builds this ignition coil using OE experience and supplier knowledge developed through work with major automakers. That background is reflected in the part’s application-focused design and aftermarket fitment support.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2021FordEcoSportN/A—
2020FordEcoSportN/A—
2019FordEcoSportN/A—
2018FordEcoSportN/A—
2018FordFocusN/A—
2017FordFiestaN/A—
2017FordFocusN/A—
2016FordFiestaN/A—
2016FordFocusN/A—
2015FordFiestaN/A—
2015FordFocusN/A—
2014FordFiestaN/A—
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — C-949Standard Ignition — UF-73636-8291C50002DLCM5Z 12029-CDG-556E1236EBC1052IC842