# TR55-1 NGK STD V-Groove Resistor Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK STD V-Groove Resistor Spark Plug – Part Number: TR55-1**

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: 2683
-   Thread: 14 mm
-   Reach: .708"
-   Hex: 16 mm (5/8 in)
-   Seat: Tapered
-   Terminal: Solid
-   Type: Projected Extended Shell Wide Gap

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Buick Century (1995-1994) – 4-8 per engine
-   Chevrolet Beretta (1996-1994) – 4-8 per engine
-   Chevrolet Cavalier (1997-1994) – 4-8 per engine
-   Chevrolet Corsica (1996-1994) – 4-8 per engine
-   Chevrolet LLV (1995-1994) – 4-8 per engine
-   Chevrolet S10 (1997-1994) – 4-8 per engine
-   Ford Country Squire (1991-1987) – 4-8 per engine
-   Ford E-150 Econoline (2002-1998) – 4-8 per engine
-   Ford E-150 Econoline Club Wagon (2002-1998) – 4-8 per engine
-   Ford E-250 Econoline (2002-1998) – 4-8 per engine
-   Ford Escort (2002-1991) – 4-8 per engine
-   Ford Explorer (2010-2006) – 4-8 per engine
-   Ford Explorer Sport Trac (2010-2007) – 4-8 per engine
-   Ford F-150 (2002-1998) – 4-8 per engine
-   Ford Focus (2004-2000) – 4-8 per engine
-   Ford Freestar (2007-2006) – 4-8 per engine
-   Ford LTD (1986-1985) – 4-8 per engine
-   Ford LTD Crown Victoria (1991-1987) – 4-8 per engine
-   Ford Mustang (1986-1985) – 4-8 per engine
-   Ford Mustang (1997-1994) – 4-8 per engine
-   Ford Mustang (2010-2005) – 4-8 per engine
-   Ford Ranger (2011-2001) – 4-8 per engine
-   Ford Taurus (1995-1988) – 4-8 per engine
-   Ford Thunderbird (1997-1985) – 4-8 per engine
-   Ford Windstar (1995) – 4-8 per engine

That is the 25 most common of 44 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.

-   Motorcraft: AGSF24CF4, AGSF24N, AGSF34CF4, AGSF34N, AWSF24CF4, AWSF34CF4, AWSF44CF4, AWSF44CF6 and 5 more
-   Bosch: 7704, 7974, HR9LCY, HR9LCY+

## 📦 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 |

## Images

- TR55-1 NGK spark plug
- TR55-1 NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/tr55-1-ngk-std-v-groove-resistor-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03