# DPR7EA-9 NGK Standard Resistor Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Resistor Spark Plug – Part Number: DPR7EA-9**

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: 5129
-   Thread: 12 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 18 mm
-   Seat: Gasket
-   Terminal: Threaded stud
-   Type: Projected, 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.

-   Honda GL1500 - GOLD WING (1500, 1990-1988) – Motorcycle
-   Honda GL1500A - GOLD WING (1500, 2000-1991) – Motorcycle
-   Honda GL1500C - VALKRYIE (1500, 2000-1997) – Motorcycle
-   Honda GL1500CD - VALKRYIE (1500, 2003-2001) – Motorcycle
-   Honda GL1500CF - VALKRYIE INTERSTATE (1500, 2001-1999) – Motorcycle
-   Honda GL1500CT - VALKRYIE TOURER (1500, 2000-1997) – Motorcycle
-   Honda GL1500I - GOLD WING INTERSTATE (1500, 1996-1991) – Motorcycle
-   Honda GL1500SE - GOLD WING (1500, 2000-1990) – Motorcycle
-   Honda VT1100C - SHADOW SPIRIT (1100, 2007-1987) – Motorcycle
-   Honda VT1100C2 - SHADOW SABRE (1100, 2007-1995) – Motorcycle
-   Honda VT1100C2 - SHADOW-AMERICAN CLASSIC EDITION (1100, 1999-1998) – Motorcycle
-   Honda VT1100C2-2 - SHADOW-AMERICAN CLASSIC EDITION (1100, 1998) – Motorcycle
-   Honda VT1100C3 (1100, 2002-1998) – Motorcycle
-   Honda VT1100D2 - SHADOW-AMERICAN CLASSIC EDITION (1100, 1999) – Motorcycle
-   Honda VT1100T (1100, 2001-1998) – Motorcycle
-   Honda PC800 (800, 1998-1989) – Motorcycle
-   Honda VT800C (800, 1988) – Motorcycle
-   Honda VT750C (750, 2016-2013) – Motorcycle
-   Honda VT750C2 (750, 2013) – Motorcycle
-   Honda VT750C2B - SHADOW PHANTOM (750, 2016-2010) – Motorcycle
-   Honda VT750C2F (750, 2013) – Motorcycle
-   Honda VT750CA (750, 2013) – Motorcycle
-   Honda VT750CS/C2S (750, 2016-2013) – Motorcycle
-   Honda VT750RS/S - SHADOW RS (750, 2013-2010) – Motorcycle
-   Honda VT700C (700, 1987-1986) – Motorcycle

That is the 25 most common of 102 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: 449, 810, RA8HC, RA8Y, RA8YC, RAX96YC
-   Bosch: X5DC, XR5DC, XR7LDC
-   DENSO: 4086, X22EPR-U9
-   John Deere: TY26722

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 10.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10.00 AUD | In stock |

## Images

- DPR7EA-9 NGK spark plug
- DPR7EA-9 NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/dpr7ea-9-ngk-standard-resistor-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03