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Ignition Coil for ECH PCH ECV EKT EZT FCV PCV | 25-519-04-S
Ignition Coil for ECH PCH ECV EKT EZT FCV PCV | 25-519-04-S
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Product Overview
Replacement ignition coil for selected small-engine applications in the ECH, PCH, ECV, EKT, EZT, FCV, and PCV engine families.
Designed as an aftermarket replacement for ignition-coil references 25-519-04-S / 2551904-S, this unit features a listed inner diameter of approximately 17.3mm / 0.68 in for additional physical comparison.
Before ordering, verify the original part number, engine model, mounting configuration, electrical connection, dimensions, and original ignition coil appearance.
Product Compatibility
| Engine Series | Fitment Notes |
|---|---|
| ECH Series | Selected compatible engines; verify OEM number |
| PCH Series | Match original ignition coil |
| ECV Series | Verify engine model and OEM reference |
| EKT Series | Selected compatible applications |
| EZT Series | Verify original coil configuration |
| FCV Series | Match OEM number and dimensions |
| PCV Series | Selected compatible applications |
Compatibility within each engine family can vary by exact engine model and specification number.
For the most reliable fitment confirmation, match 25-519-04-S / 2551904-S to the original ignition coil.
OEM Cross-Reference Numbers
- 25-519-04-S
- 2551904-S
- 25 519 04-S
These numbers may appear in different formatting depending on the parts catalog or seller.
Specifications
| Specification | Details |
|---|---|
| Product Type | Ignition Coil |
| Engine Application | Small Engine |
| Compatible Series | ECH / PCH / ECV / EKT / EZT / FCV / PCV |
| OEM Reference | 25-519-04-S |
| Alternate Number | 2551904-S |
| Listed Inner Diameter | Approx. 17.3 mm / 0.68 in |
| Material | PVC / Metal Components |
| Condition | New |
| Package Quantity | 1 Ignition Coil |
Key Features
- OEM-Based Replacement: Designed for compatible applications using ignition coil 25-519-04-S / 2551904-S.
- Multiple Engine Families: Covers selected ECH, PCH, ECV, EKT, EZT, FCV, and PCV engine applications.
- 17.3mm Size Reference: Listed inner diameter provides an additional physical reference when comparing the replacement with the original part.
- Durable Construction: Manufactured with plastic housing and metal internal components for small-engine operating environments.
- Fitment Verification: OEM number, exact engine model, dimensions, and original coil design can be compared before installation.
Condividi

Domande frequenti sulla compatibilità
Questa parte è compatibile con il mio modello e anno specifici?
This ignition coil is intended for selected ECH, PCH, ECV, EKT, EZT, FCV, and PCV engine applications.
Because each engine family contains multiple configurations, the series name alone does not guarantee fitment. Match the OEM number and exact engine model whenever possible.
Devo corrispondere al numero di parte OEM?
Yes. Matching the OEM/reference number is the preferred way to confirm this product.
Check your original ignition coil for:
25-519-04-S
2551904-S
25 519 04-S
You should also compare the mounting configuration, electrical connection, and physical dimensions.
A quali modelli o situazioni non si adatta questa parte?
Do not assume this ignition coil fits:
Every engine within the ECH, PCH, ECV, EKT, EZT, FCV, or PCV series
Engines using a different OEM ignition coil
Coils with different mounting points
Applications with incompatible electrical connections
Parts that only look similar but use different ignition specifications
Engine-series similarity alone does not confirm compatibility.
Cosa dovrei controllare prima di ordinare?
Confirm:
Exact engine model
Engine specification number where available
OEM 25-519-04-S / 2551904-S
Original ignition coil appearance
Mounting-hole configuration
Electrical connection
Spark plug lead configuration
Listed 17.3mm inner-diameter measurement
Product dimensions shown in the listing images