# BZ7HS-10 NGK Standard Resistor Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Resistor Spark Plug – Part Number: BZ7HS-10**

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: 3579
-   Thread: 14 mm
-   Reach: 12.7 mm (1/2 in)
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket
-   Terminal: Solid
-   Type: Inductive Resistor, Wide Gap

## 🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment. The chart shows a 1.0 mm gap for these engines, but check it against your engine's manual before fitting.

-   Mercury SPORT JET (90 HP, 1994) – Inboard Engine
-   Mercury SPORT JET (90 HP, 1995) – Inboard Engine
-   Mercury SPORTJET 120 (120 HP, 1995) – Inboard Engine
-   Mercury SPORTJET 120XR (120 HP, 1999-1996) – Inboard Engine
-   Mercury SPORTJET 95XR (95 HP, 1997-1996) – Inboard Engine
-   Omc JET DRIVE-TURBOJET 115 – Inboard Engine
-   Omc JET DRIVE-TURBOJET 90 – Inboard Engine
-   Omc SEA DRIVE-1.6L 115-SD (1991-1985) – Inboard Engine
-   Omc SEA DRIVE-1.8L 140-SD (1991-1985) – Inboard Engine
-   Omc SEA DRIVE-2.0L 140-SD (1991-1985) – Inboard Engine
-   Omc SEA DRIVE-2.7L 225-SD (1987) – Inboard Engine
-   Omc SEA DRIVE-3.0L 225-SD (1991-1985) – Inboard Engine
-   Omc SEA DRIVE-3.6L 275-SD (1981-1987) – Inboard Engine
-   Omc SEA DRIVE-4.0L 300-SD (1991-1985) – Inboard Engine
-   Evinrude (225 HP, 1993-1986) – Outboard Engine
-   Evinrude V6 (200 HP, 1993-1986) – Outboard Engine
-   Evinrude COM. (185 HP, 1994-1990) – Outboard Engine
-   Evinrude CV6 (175 HP, 1991-1988) – Outboard Engine
-   Evinrude CV6 (150 HP, 1991-1988) – Outboard Engine
-   Evinrude (115 HP, 1979-1973) – Outboard Engine
-   Evinrude (115 HP, 1993-1986) – Outboard Engine
-   Evinrude COM (115 HP, 1984-1975) – Outboard Engine
-   Evinrude (100 HP, 2001-1999) – Outboard Engine
-   Evinrude CV4 (90 HP, 1998-1979) – Outboard Engine
-   Evinrude TURBOJET CV4 (90 HP, 1997-1994) – Outboard Engine

That is the 25 most common of 109 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.

-   Champion: 5828, 5883, 828-1, 828M, 828S, 831-1, 8883, 8883-1 and 6 more
-   Autolite: 2645

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 38.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 38.00 AUD | In stock |

## Images

- BZ7HS-10 NGK spark plug
- BZ7HS-10 NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/bz7hs-10-ngk-standard-resistor-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03