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NGK 9160 Spark Plug Wire Set
| Brand | NGK 9160 |
|---|---|
| Core Material | Mag (Var. Pitch) |
| Insulation Color | Blue |
| Insulation Material | Silicone |
| Insulation Outside Diameter | 7.00 |
| Noise Suppression Type | Yes |
| Part Number | RC-ZE21 |
| Stock Number | 9160 |
| Universal Or Specific Fit | Specific |
| Product line | NGK Spark Plug Wire Set |
| Fits | Mazda · 10 vehicles |
OE standards. Built to meet durability and operational performance expectations.
Silicone insulation. Helps resist heat and wear for dependable ignition performance.
Noise suppression. Helps reduce electrical interference in the ignition system.
Cross-references Anchor 9160, Anchor 9254 and AP Exhaust 7491 for the same application. See all 16.
NGK Spark Plug Wire Set for Mazda Miata
The NGK Spark Plug Wire Set, part number 9160, is a specific-fit ignition wire set for select Mazda Miata applications. Built with blue silicone insulation and noise suppression construction, it is made for stable spark delivery and dependable ignition performance in compatible Mazda Miata models.
Key Features
- Specific-fit spark plug wire set for select Mazda Miata vehicles
- Blue silicone insulation for heat resistance and durability
- Mag (variable pitch) core material for ignition signal control
- Noise suppression design to help reduce electrical interference
- 7.00 mm insulation outside diameter
- NGK part number 9160 / RC-ZE21
Product Details
NGK Spark Plug Wire Set 9160 is part of NGK’s ignition wire and related components lineup, backed by the brand’s long OE-focused experience in ignition systems. NGK manufactures premium ignition products to meet OE-level durability and operational performance standards, with coverage for domestic and import vehicles. This wire set is a direct-fit replacement for 1990-1997 Mazda Miata and 1999-2000 Mazda Miata applications, making it a practical choice when servicing the ignition system on these vehicles. The NGK 9160 wire set is also referenced by RC-ZE21.
Common Issues This Part May Address
- Misfires caused by worn or damaged spark plug wires
- Hard starting related to weak ignition transfer
- Rough idle from inconsistent spark delivery
- Electrical noise affecting ignition system operation
- Cracked or heat-aged wire insulation
Installation Notes and Tips
Verify engine application and wire routing before installation on your Mazda Miata. Match each lead to the correct cylinder and inspect boots, terminals, and coil connections for wear before reassembly. For best results, replace wires when insulation is brittle, swollen, or showing signs of arcing. This part fits 1990-1997 Mazda Miata and 1999-2000 Mazda Miata, so confirm the model year before ordering.
Quality Assurance
NGK is known for OE-oriented ignition components and global manufacturing standards focused on durability and consistent performance. Part number 9160 is built as a specific-fit replacement for the listed Mazda Miata applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Mazda | Miata | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1999 | Mazda | Miata | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1997 | Mazda | Miata | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1996 | Mazda | Miata | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1995 | Mazda | Miata | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1994 | Mazda | Miata | 1.8L | L4 | N/A | NGK Spark Plug Wire Set |
| 1993 | Mazda | Miata | 1.6L | L4 | N/A | NGK Spark Plug Wire Set |
| 1992 | Mazda | Miata | 1.6L | L4 | N/A | NGK Spark Plug Wire Set |
| 1991 | Mazda | Miata | 1.6L | L4 | N/A | NGK Spark Plug Wire Set |
| 1990 | Mazda | Miata | 1.6L | L4 | N/A | NGK Spark Plug Wire Set |
| No rows match your filter. | ||||||