NGK SPARK PLUGS - 4830 - Spark Plug - DPR9Z
The NGK SPARK PLUGS 4830 DPR9Z is a resistor spark plug engineered for 1984-1995 Honda XL250R and XR-series off-road models, featuring a trivalent metal-plated nickel-alloy electrode with projected design and a pure alumina silicate ceramic insulator that aids heat transfer and resists flashover via corrugated ribs — the oversized center electrode and copper core provide superior heat removal.
Features
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Triple seals prevent leakage
- Corrugated ribs prevent flashover
- Copper core aids in heat removal
Specs
- Center Electrode Projection: Projected
- Thread Reach: 19.1 mm
- Heat Range: 9
- Hex Size: 17.5 mm
- Spark Gap: 0.028"
- Spark Gap: 0.7 mm
- Type: Resistor
- Ground Electrode Shape: Standard
- Riding Style: Street
- Spark Gap: 0,7 mm (0,028")
- Terminal Configuration: Threaded Stud
- Units: Each
- Electrode Tip Material: Nickel Alloy
- Riding Style: Off-Road
- Center Electrode Type: Oversized
- Electrical Resistance: 5k Ohms
- Ground Electrode Configuration: Single
- Model: DPR9Z
- Product Name: Spark Plug
- Style: Standard
Frequently Asked Questions - NGK SPARK PLUGS - 4830 - Spark Plug - DPR9Z - '84-'95 Honda
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.