• DPR8EA-9 NGK spark plug
  • DPR8EA-9 NGK spark plug firing end
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DPR8EA-9 NGK Standard Resistor Spark Plug | Genuine NGK Spark Plug

DPR8EA-9 NGK Standard Resistor Spark Plug | Genuine NGK Spark Plug

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$9.00 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

NGK Standard Resistor Spark Plug – Part Number: DPR8EA-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: 4929
  • 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.

  • Bimota YB-5 (1200) – Motorcycle
  • Bimota DB2 (900) – Motorcycle
  • Cagiva ELEFANT 900 (900) – Motorcycle
  • Ducati 750 SS (750, 1993-1991) – Motorcycle
  • Honda GL1200 - GOLD WING (1200, 1984) – Motorcycle
  • Honda GL1200A - GOLD WING (1200, 1987-1984) – Motorcycle
  • Honda GL1200I - GOLD WING (1200, 1987-1984) – Motorcycle
  • Honda GL1200L - GOLD WING (1200, 1985) – Motorcycle
  • Honda GL1200SEI - GOLD WING (1200, 1986) – Motorcycle
  • Honda GL1100 - GOLD WING (1100, 1983-1982) – Motorcycle
  • Honda GL1100A - GOLD WING (1100, 1983-1982) – Motorcycle
  • Honda GL1100I - GOLD WING (1100, 1983-1982) – Motorcycle
  • Honda VF1100C (1100, 1986-1983) – Motorcycle
  • Honda VF1100S (1100, 1985-1984) – Motorcycle
  • Honda VF1000F (1000, 1984) – Motorcycle
  • Honda CB750 - NIGHTHAWK (750, 2003-1991) – Motorcycle
  • Honda VF750C (750, 1983-1982) – Motorcycle
  • Honda VF750C (750, 1988) – Motorcycle
  • Honda VF750CD (750, 2000-1998) – Motorcycle
  • Honda VF750F (750, 1984-1983) – Motorcycle
  • Honda VF750S (750, 1983-1982) – Motorcycle
  • Honda VT750C - SHADOW (750, 1983) – Motorcycle
  • Honda VT750CD - SHADOW (750, 2003-1998) – Motorcycle
  • Honda VT750CD2 - SHADOW (750, 2001-2000) – Motorcycle
  • Honda VT750DC - SHADOW SPIRIT (750, 2007-2001) – Motorcycle

That is the 25 most common of 173 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: 809, RA6HC, RA6Y, RA6YC, RAX94YC
  • DENSO: 4096, X24EPR-U9
  • Bosch: XR4DC
  • John Deere: TY26721

📦 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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