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Denso 671-4225 Spark Plug Wire Set
| Brand | Denso 671-4225 |
|---|---|
| Bushing Material | 4 |
| Distributor Coil End Terminal Type | Male |
| Insulation Outside Diameter | 7.00 |
| Spark Plug Boot Material | Sil PBT Sil |
| Spark Plug End Boot Degree | 120 |
| Spark Plug End Terminal Type | FEMALE |
| Product line | 7mm |
| Fits | Mazda · 4 vehicles |
OE-style replacement. Matches factory wire sets in form, fit, color, and performance.
7mm insulation. Sized for dependable spark plug wire protection and routing.
Sil PBT Sil boots. Durable boot material helps maintain a secure electrical connection.
Cross-references ACDelco 714RR, ACDelco 954U and Airtex 2X1497 for the same application. See all 19.
Denso 671-4225 Spark Plug Wire Set
The Denso 671-4225 spark plug wire set is built for direct replacement on select Mazda Protege models from 1995-1998. It follows the factory-style form, fit, color, and performance expected from an OE-style ignition wire set, making it a practical choice for restoring consistent spark delivery.
For Mazda Protege ignition service, this 7mm wire set is engineered to match the original routing and terminal style used on the vehicle. The Denso 7mm line focuses on OE-style fitment and construction details that align with factory-installed components.
Key Features
- Direct-fit spark plug wire set for select 1995-1998 Mazda Protege applications
- 7.00 mm insulation outside diameter for OE-style wire routing
- Sil PBT Sil spark plug boot material for durable terminal protection
- 120-degree spark plug end boot design for proper clearance and routing
- Female spark plug end terminal type with male distributor/coil end terminal type
- Built to meet or exceed OE/OES standards in construction and performance
Detailed Description
Denso First Time Fit ignition wire sets are made to mirror the original equipment layout used on the vehicle, including form, fit, color, and performance characteristics. The 671-4225 is a 7mm spark plug wire set for Mazda Protege ignition systems, with boot and terminal specifications that support correct connection at both the spark plug and distributor or coil ends. This part number, 671-4225, is a direct replacement option for drivers servicing a 1995-1998 Mazda Protege and looking for an OE-style ignition wire solution.
This part cross-references NGK ZE37 and Bosch 09421 for the same application.
What It Helps Address
- Misfires caused by worn or damaged ignition wires
- Hard starting related to weak spark transfer
- Rough idle from inconsistent ignition output
- Voltage leakage from aging wire insulation or boots
- Fitment issues from incorrect terminal style or wire routing
Installation Notes and Tips
Verify the wire routing against the original layout before removal, and transfer one wire at a time to reduce the chance of crossing leads. Confirm the female spark plug end and male distributor or coil end terminals match the vehicle’s ignition connection points. For Mazda Protege 1995-1998 service, inspect plugs, cap, and coil components at the same time to help isolate ignition faults.
Quality Assurance
Denso First Time Fit ignition wire sets are manufactured to OE-style standards for form and performance, with construction that meets or exceeds OE/OES requirements. The Denso 671-4225 is intended for direct replacement use on the listed Mazda Protege applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Mazda | Protege | N/A | 7mm |
| 1997 | Mazda | Protege | N/A | 7mm |
| 1996 | Mazda | Protege | N/A | 7mm |
| 1995 | Mazda | Protege | N/A | 7mm |
| No rows match your filter. | ||||