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NGK 9729 Spark Plug Wire Set
Reliable Ignition Performance for Ford, Mazda, and Mercury Vehicles
The NGK Spark Plug Wire Set 9729 is designed specifically for select Ford, Mazda, and Mercury models, including the Ford Escort, Mazda 323, Mercury Tracer, and Mazda Protege. Engineered to deliver consistent ignition performance, this spark plug wire set ensures efficient engine operation and reliable starts.
Key Features of the NGK Spark Plug Wire Set 9729
- Blue silicone insulation for enhanced heat resistance and durability
- Magnetic core with variable pitch to reduce electrical interference
- Noise suppression technology to minimize ignition noise
- Specific fitment for Ford Escort, Mazda 323, Mercury Tracer, and Mazda Protege
- 7.00 mm insulation outside diameter for optimal protection
About the NGK Spark Plug Wire Set Product Line
The NGK Spark Plug Wire Set line focuses on delivering precise ignition wire solutions tailored to specific vehicle applications. This product line combines high-quality silicone insulation with advanced core materials to provide reliable electrical conductivity and noise suppression. The 9729 part number is part of this line, offering a direct fit and engineered performance for compatible Ford, Mazda, and Mercury models.
Detailed Product Description
This NGK Spark Plug Wire Set 9729 features blue silicone insulation that withstands high temperatures and resists cracking or deterioration over time. The magnetic core with variable pitch design helps suppress electromagnetic interference, ensuring stable ignition signals and reducing radio frequency noise. Designed for specific fitment, this wire set matches the exact specifications required by Ford Escort, Mazda 323, Mercury Tracer, and Mazda Protege vehicles, facilitating straightforward installation and reliable operation.
Common Issues Addressed by This Spark Plug Wire Set
- Misfires caused by worn or damaged ignition wires
- Engine performance loss due to electrical interference
- Starting difficulties related to poor spark delivery
- Ignition noise affecting radio and electronic systems
- Degradation of insulation leading to shorts or arcing
Installation Notes and Tips
- Ensure the engine is cool before beginning installation
- Replace wires one at a time to maintain correct firing order
- Check connectors for corrosion or damage before installation
- Route wires away from hot engine components and moving parts
- Verify secure connections at both spark plug and distributor ends
Quality Assurance and Warranty
NGK maintains strict quality control standards for the Spark Plug Wire Set 9729, ensuring durability and consistent performance. While specific warranty details may vary, NGK products typically come with manufacturer-backed coverage against defects in materials and workmanship. Refer to NGK documentation for exact warranty terms.
| Brand | NGK |
| Part Number | 9729 |
| Position | NGK Spark Plug Wire Set |
| Core Material | Mag (Var. Pitch) |
| Insulation Color | Blue |
| Insulation Material | Silicone |
| Insulation Outside Diameter | 7.00 |
| Noise Suppression Type | Yes |
| Part Number | RC-ZX18 |
| Stock Number | 9729 |
| Universal Or Specific Fit | Specific |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | Ford | Escort | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1996 | Mercury | Tracer | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1995 | Ford | Escort | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1995 | Mazda | 323 | 1.8L | L4 | N/A | DOHC; NGK Spark Plug Wire Set |
| 1995 | Mercury | Tracer | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1994 | Ford | Escort | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1994 | Mazda | 323 | 1.8L | L4 | N/A | DOHC; NGK Spark Plug Wire Set |
| 1994 | Mazda | Protege | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1994 | Mercury | Tracer | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1993 | Ford | Escort | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1993 | Mazda | 323 | 1.8L | L4 | N/A | DOHC; NGK Spark Plug Wire Set |
| 1993 | Mazda | Protege | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1993 | Mercury | Tracer | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1992 | Ford | Escort | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1992 | Mazda | Protege | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1992 | Mercury | Tracer | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1991 | Ford | Escort | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1991 | Mazda | 323 | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1991 | Mazda | Protege | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1991 | Mercury | Tracer | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1990 | Mazda | 323 | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1990 | Mazda | Protege | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.