Description
Overview:
The Genuine NGK CR7E Spark Plug (MPN 4578, NGK stock no. 4578) is a resistor-type spark plug designed to deliver reliable ignition and clean combustion in many ATVs and motorcycles. Built with a durable nickel alloy centre electrode, a high-strength ceramic insulator and a plated steel shell, it offers stable performance and long service life. With a 10 mm thread and 19 mm reach, it suits compact cylinder heads commonly found on machines like the Arctic Cat 400 and Kawasaki KFX400. A flat-seat gasket ensures a gas-tight seal, while the 16 mm hex allows easy fitting with a standard deep socket. Supplied individually, it is a straightforward like-for-like replacement during routine servicing. This is a Genuine NGK part for assured fit and performance.
Key Features:
- Genuine NGK CR7E (heat range 7) resistor spark plug for dependable ignition
- Nickel alloy centre electrode and ceramic insulator for durability and consistent spark
- Smooth starting and stable idle across a wide range of operating conditions
- 10 mm thread size (3/8") for compact cylinder heads
- 19 mm reach (3/4") to match many ATV and motorcycle applications
- 16 mm hex size (5/8") for easy removal and installation with common tools
- Factory gap: 0.8 mm (0.03") for crisp ignition performance
- Thread pitch: 1 mm for secure seating and correct torqueing
- Flat-seat gasket for a reliable, gas-tight seal
- Sold individually to match the number of cylinders you are servicing
Typical Applications:
Routine service replacement in four-stroke ATVs, UTVs and motorcycles that specify NGK CR7E or an equivalent. Suitable for leisure, trail and farm utility use, helping maintain dependable starting, good throttle response and efficient running in mixed weather and working conditions.
Also known as:
Spark igniter, ignition plug, engine plug.
Fits Models:
Arctic Cat 400
Arctic Cat 400 H1
Arctic Cat 650
Arctic Cat DVX 400
Cectek Gladiator
Cectek Quadrift
Kawasaki KFX400
Kawasaki KFX700 V Force
Kawasaki KVF650
Kawasaki KVF700 A
Kawasaki KVF750 A-D
Kymco MXU 450i
Kymco MXU 500
Kymco MXU 500i IRS
Kymco UXV 500
Suzuki LT-A400F K2
Suzuki LT-F500F
Suzuki LT-Z400
TGB Blade 425 SL 4WD
TGB Blade 450 SE IRS 4WD
TGB Blade 460 R 2WD
TGB Blade 550 LT 4WD
TGB Blade 550 SE IRS 4WD
TGB Target 550 IRS 4WD
Alternate Part Numbers:
ITALJET 94032, ITALJET94032, 09482-00516, E92070-1209, E920701209, 0948200516, U22ESR-N, U22ESRN, 8550352, P-RG7C, PRG7C, 4174, B7R
Product Specifications
| L&S Part No. | CR7E |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | NGK |
| OEM No. | 4578 |
| Unit of Sale | 1 |
| Applications | Arctic Cat 400, Arctic Cat 400 H1, Arctic Cat 650, Arctic Cat DVX 400, ArcticCat400, ArcticCat400H1, ArcticCat650, ArcticCatDVX400, Cectek Gladiator, Cectek Quadrift, CectekGladiator, CectekQuadrift, Kawasaki KFX400, Kawasaki KVF650, Kawasaki KVF700 A, Kawasaki KVF750 A-D, KawasakiKFX400, KawasakiKFX700VForce, KawasakiKVF650, KawasakiKVF700A, KawasakiKVF750A-D, Kymco MXU 450i, Kymco MXU 500, Kymco MXU 500i IRS, Kymco UXV 500, KymcoMXU450i, KymcoMXU500, KymcoMXU500iIRS, KymcoUXV500, Suzuki LT-A400F K2, Suzuki LT-F500F, Suzuki LT-Z400, SuzukiLT-A400FK2, SuzukiLT-F500F, SuzukiLT-Z400, Tgb Blade 425 SL 4WD, Tgb Blade 450 SE IRS 4WD, Tgb Blade 460 R 2WD, Tgb Blade 550 LT 4WD, Tgb Blade 550 SE IRS 4WD, TgbBlade425SL4WD, TgbBlade450SEIRS4WD, TgbBlade460R2WD, TgbBlade550LT4WD, TgbBlade550SEIRS4WD, TgbTarget550IRS4WD |
| Machine Type | All Terrain Vehicles |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Plastic Funnel with Flexible Spout 6" Diameter£11.52 £9.60
