• DR7EA NGK spark plug
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DR7EA NGK Standard Resistor Spark Plug | Genuine NGK Spark Plug

DR7EA NGK Standard Resistor Spark Plug | Genuine NGK Spark Plug

$10.00 AUD
$10.00 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

NGK Standard Resistor Spark Plug – Part Number: DR7EA

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: 7839
  • Thread: 12 mm
  • Reach: 19 mm (3/4 in)
  • Hex: 18 mm
  • Seat: Gasket
  • Terminal: Threaded stud

🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and automotive vehicles. The gap is not the same on all of them – the chart lists between 0.5 mm and 1.0 mm depending on the engine, so check the line for yours.

  • Honda BF90A1, SERIAL #BBBL-4400001-4409999 (90 HP) – Outboard Engine
  • Honda BF90A2, SERIAL #BBBL-4410001-4499999 (90 HP) – Outboard Engine
  • Honda BF90A3, SERIAL #BBBL-4500001-4599999 (90 HP) – Outboard Engine
  • Honda BF90A4, SERIAL #BBBL-4600001-4699999 (90 HP) – Outboard Engine
  • Honda BF90A5, SERIAL #BBBL-4700001-4799999 (90 HP) – Outboard Engine
  • Honda BF90A6, SERIAL #BBBL-4800001-4999999 (90 HP) – Outboard Engine
  • Honda BF90AT, SERIAL #BBBL-1000001-2999999 (90 HP) – Outboard Engine
  • Honda BF90AT, SERIAL #BBBU-1000001-2999999 (90 HP) – Outboard Engine
  • Honda BF90AW, SERIAL #BBBJ-3000001-4000000 (90 HP) – Outboard Engine
  • Honda BF90AW, SERIAL #BBBL-3000001-4000000 (90 HP) – Outboard Engine
  • Honda BF90AW, SERIAL #BBBU-3000001-4000000 (90 HP) – Outboard Engine
  • Honda BF90AX, SERIAL #BBBJ-4000001-9999999 (90 HP) – Outboard Engine
  • Honda BF90AX, SERIAL #BBBL-4000001-4200000 (90 HP) – Outboard Engine
  • Honda BF90AX, SERIAL #BBBU-4000001-9999999 (90 HP) – Outboard Engine
  • Honda BF90AY, SERIAL #BBBL-4200001-4400000 (90 HP) – Outboard Engine
  • Honda BF75A1, SERIAL #BBAL-4400001-4409999 (75 HP) – Outboard Engine
  • Honda BF75A2, SERIAL #BBAL-4410001-4499999 (75 HP) – Outboard Engine
  • Honda BF75A3, SERIAL #BBAL-4500001-4599999 (75 HP) – Outboard Engine
  • Honda BF75A4, SERIAL #BBAL-4600001-4699999 (75 HP) – Outboard Engine
  • Honda BF75A5, SERIAL #BBAL-4700001-4799999 (75 HP) – Outboard Engine
  • Honda BF75A6, SERIAL #BBAL-4800001-9999999 (75 HP) – Outboard Engine
  • Honda BF75AT, SERIAL #BBAL-1000001-2999999 (75 HP) – Outboard Engine
  • Honda BF75AT, SERIAL #BBAU-1000001-2999999 (75 HP) – Outboard Engine
  • Honda BF75AW, SERIAL #BBAL-3000001-4000000 (75 HP) – Outboard Engine
  • Honda BF75AW, SERIAL #BBAU-3000001-9999999 (75 HP) – Outboard Engine

That is the 25 most common of 130 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: 7409
  • Champion: RAX96C

📦 Condition

  • Brand new genuine product
  • Supplied in original packaging

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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