# ZGR5A NGK STD V-Groove Resistor Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK STD V-Groove Resistor Spark Plug – Part Number: ZGR5A**

Spark plugs are a critical engine component, providing the spark that ignites the air-fuel mixture that drives an engine. NGK spark plugs feature trivalent plating – a silver/chrome-coloured finish on the threads – for corrosion resistance against moisture and chemicals, and are designed to meet or exceed OE standards.

## ⚙️ Key Features

-   Standard nickel centre electrode
-   Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
-   Corrugated ribs reduce the risk of flashover
-   Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
-   Copper core aids in heat removal
-   Triple seals prevent leakage

## 📏 Specifications

-   NGK stock number: 5077
-   Thread: 14 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket
-   Type: Extended Projection

## 🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and lawn, garden and commercial equipment and automotive vehicles. The chart shows a 0.5 mm gap for these engines, but check it against your engine's manual before fitting.

-   Bush Hog (24.0 HP) – ATV
-   Cub Cadet 6X4 (20 HP) – ATV
-   Cub Cadet 4X2 (18 HP) – ATV
-   Honda EB11000K1 (20HP HONDA GX620) – Lighting Plants and Generator
-   Cub Cadet (24HP HONDA GX670) – Lawnmower
-   Dixie Chopper (24HP HONDA GX670) – Lawnmower
-   Howard Price Turf (24HP HONDA FXV670) – Lawnmower
-   Hustler (18HP HONDA) – Lawnmower
-   Hustler (20HP HONDA) – Lawnmower
-   Hustler (24HP HONDA) – Lawnmower
-   Scag (24HP HONDA GXV670) – Lawnmower
-   Chipper, Shredder 71020 (20HP HONDA) – Outdoor Power Equipment
-   Chipper, Shredder 73420 (20HP HONDA) – Outdoor Power Equipment
-   Chipper, Shredder 74624 (24HP HONDA) – Outdoor Power Equipment
-   Chipper, Shredder 74824 (24HP HONDA) – Outdoor Power Equipment
-   Chipper, Shredder 75524 (24HP HONDA) – Outdoor Power Equipment
-   Chipper, Shredder 76824 (24HP HONDA) – Outdoor Power Equipment
-   Vacuums 75124 (24HP HONDA) – Outdoor Power Equipment
-   Beeline H24EH (24HP HONDA GX670) – Outdoor Power Equipment
-   Ditch Witch SK500 (24HP HONDA GX670) – Outdoor Power Equipment
-   Firewood Processor 18SCP (24HP HONDA FXV670) – Outdoor Power Equipment
-   Firewood Processor 24 SCP (24HP HONDA FXV670) – Outdoor Power Equipment
-   Log Splitter MODEL 24 HPWS (24HP HONDA FXV670) – Outdoor Power Equipment
-   Loader (20HP HONDA) – Outdoor Power Equipment
-   Loader (24HP HONDA) – Outdoor Power Equipment

That is the 25 most common of 55 applications NGK's charts list for this plug – ask us to check yours.

## 🔄 Supersession & Cross Reference

NGK's cross-reference tables list this plug against these part numbers.

-   Bosch: 4034, 6234, 7509, 7522, 7722, 7909, 7922, W8LCR and 8 more
-   DENSO: 3118, 3256, J16C-U, J16CR-U
-   Champion: 817, RN13LYC5
-   Accel: 997
-   Beck Arnley: 1765173
-   John Deere: TY26704

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 11.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 11.00 AUD | In stock |

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/zgr5a-ngk-std-v-groove-resistor-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03