Sold out
Click to zoom in
Copper V-Groove Ground Electrode Spark Plugs Designed for Reliable Daily Performance
The NGK ZFR5N is a V-Power copper spark plug built for high-volume daily driving applications where consistent ignition performance and easy serviceability matter. The V-groove cut into the ground electrode of NGK3459 concentrates the spark at a fixed focal point, reducing required firing voltage and maintaining stable combustion across varying RPM ranges. Each box contains four plugs for a complete 4-cylinder service.
Key Features
- V-groove ground electrode focuses spark discharge for lower required firing voltage
- Copper core center electrode transfers heat efficiently for reliable thermal management
- Ribbed insulator design prevents flashover and voltage leakage
- Triple-sealing on the center electrode prevents combustion gas leakage
- Trivalent metal plating on shell resists corrosion and eases removal
- Multi-ground straps on select configurations improve spark exposure to the air-fuel mixture
- Box of 4 plugs covers a full replacement on most 4-cylinder engines
Specifications
| Detail | Value |
|---|---|
| Part Number (MPN) | ZFR5N / NGK3459 |
| Plug Type | V-Power Copper |
| Electrode Design | V-groove ground electrode |
| Core Material | Copper |
| Heat Range | 5 |
| Thread Size | 12 mm |
| Resistor | Yes |
| Quantity | 4 plugs per box |
| UPC | 087295734592 |
What's Included
- 4x NGK ZFR5N V-Power Spark Plugs
About NGK
NGK Spark Plugs has been producing ignition components since 1936 and holds OEM supplier status with virtually every major automaker worldwide. Their V-Power line is engineered for accessible, reliable ignition performance using a patented V-groove ground electrode design that concentrates the spark arc and reduces misfires without the premium cost of iridium or platinum constructions.
Frequently Asked Questions
What vehicles use the NGK ZFR5N spark plug?The ZFR5N fits a range of import and domestic vehicles requiring a 12 mm thread plug at heat range 5. Cross-reference your OEM plug number or look up your year, make, model, and engine against NGK3459 in the NGK fitment catalog to confirm compatibility before ordering.
What is the V-groove ground electrode on the NGK ZFR5N?The V-groove is a precision-cut notch in the ground electrode that focuses the spark arc at a specific point along the electrode face. This reduces the voltage required to fire the plug, shortens flame kernel travel, and improves combustion efficiency compared to a standard flat-face ground electrode.
Does the NGK ZFR5N require gapping before installation?The NGK3459 ships from the factory with a pre-set gap. Always verify the gap against your vehicle's specification using a feeler gauge before installation, as some applications may call for a different setting than the default.
How often should I replace NGK ZFR5N V-Power spark plugs?NGK copper V-Power plugs are designed for approximately 20,000 to 30,000 mile service intervals. Always follow your vehicle manufacturer's recommended replacement schedule, as factors like oil consumption and fuel quality can shorten plug life.
Can I use the ZFR5N in a high-performance engine build?The ZFR5N is optimized for naturally aspirated daily-driver applications. For heavily modified, turbocharged, or race-spec engines, consult your tuner for the appropriate heat range. A plug that is too hot for a boosted application risks detonation.
How many plugs do I need for my engine?One box of NGK3459 contains 4 plugs. A 4-cylinder engine requires 4 plugs for a complete service. A 6-cylinder requires 6 plugs and a V8 requires 8 plugs, so order accordingly for your engine configuration.
Is the NGK ZFR5N the same as NGK part number 3459?Yes. ZFR5N is the alphanumeric designation for the heat range and electrode configuration, while NGK3459 is the numeric catalog reference. Both refer to the identical plug and can be used interchangeably when searching or cross-referencing.
Will the NGK ZFR5N help fix a misfire or rough idle?If worn or fouled plugs are the root cause of a misfire or rough idle, replacing them with fresh NGK3459 V-Power plugs can restore correct combustion. Always diagnose the underlying cause before replacing plugs, as misfires can also result from ignition coil, fuel injector, or compression issues.
Installation Instructions
- Let the engine cool fully before removing plugs to protect aluminum cylinder head threads.
- Disconnect the coil-on-plug or spark plug wire from each cylinder before removal.
- Remove the old plug with a spark plug socket, turning counterclockwise.
- Verify the gap on each NGK ZFR5N against your vehicle specification using a feeler gauge.
- Thread the plug in by hand to avoid cross-threading, then torque to specification.
- Reconnect ignition coils or wires and repeat for all cylinders.
- Start the engine and confirm smooth idle with no misfire codes.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
Engine
Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...
View Engine Products
Ignition
Ignition parts keep every cylinder firing on time and every start crisp, and Black Ops Auto Works stocks the full system in one collection. Spark plugs, coil packs, plug wires, distributors, starters, sensors, and glow plugs from NGK, Granatelli, MSD, Ford Performance, Moroso, Mishimoto, HKS, and COBB all live here. Whether you are chasing a weak spark on a daily driver, refreshing a tune-up on an LS or Coyote build, or wiring in a full coil-on-plug conversion, this collection has the OEM-grade replacements and the performance upgrades to keep the mixture lighting off cleanly under boost, high RPM, or heavy load. What Belongs in the Ignition System The ignition system is more than just the spark plug. Every part in this collection plays a role in taking 12-volt battery power, stepping it up to tens of thousands of volts, and delivering that spark to the right cylinder at the right instant. Weakness anywhere in the chain shows up as misfires, hard starts, poor mileage, or a chec...
View Ignition Products
NGK
NGK ignition parts for import, domestic, and European vehicles are stocked at Black Ops Auto Works. Shop NGK spark plugs, iridium and platinum plugs, spark plug wire sets, ignition coils, and oxygen sensors trusted by OE manufacturers and racers worldwide. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 565 NGK SKUs spanning spark plugs, wires, coils, and sensors. What This Brand Covers NGK is one of the largest spark plug and ignition component manufacturers in the world, supplying OE spark plugs to most major automakers while also producing performance-grade iridium and platinum plugs for the aftermarket. NGK also manufactures spark plug wire sets, ignition coils, and oxygen sensors. Categories Included Standard copper core spark plugs, V-Power plugs, iridium IX plugs, laser iridium plugs, racing plugs, spark plug wire sets, ignition coils, and OE-spec oxygen sensors. NGK Spar...
View NGK Products
Spark Plugs
Spark plugs for cars, trucks, SUVs, and import platforms are stocked at Black Ops Auto Works. Shop iridium spark plugs, laser iridium spark plugs, double platinum spark plugs, nickel spark plugs, and racing spark plugs for LS, LT, HEMI, EcoBoost, Subaru EJ and FA, and import turbo engines. Every product is filterable by heat range, thread size, gap, and vehicle year, make, model, and engine so the correct spark plug ships the first time. Black Ops Auto Works carries 480 spark plug SKUs across every major electrode material and heat range. What This Category Covers Spark plugs ignite the compressed air and fuel mixture in each cylinder, and the correct plug for your engine depends on electrode material, heat range, and thread specification. Choosing the wrong heat range or gap can cause misfires, fouling, or in extreme cases pre-ignition damage. Electrode Materials Iridium and laser iridium plugs use a fine center electrode for a stronger, more consistent spark and the longest se...
View Spark Plugs Products