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NGK 4929 DPR8EA-9 Nickel Spark Plug
NGK 4929 DPR8EA-9 Nickel Spark Plug
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NGK 4929 DPR8EA-9 Nickel Spark Plug

NGK
ELE2173
In stock
$3.34 $2.99
Description The NGK DPR8EA-9 is a standard OE replacement spark plug designed for reliable ignition performance...
$2.99
NGK 4929 DPR8EA-9 Nickel Spark Plug
Description

Description

The NGK DPR8EA-9 is a standard OE replacement spark plug designed for reliable ignition performance in motorcycles and powersports engines. Built with NGK’s trusted copper-core technology and durable nickel electrodes, it ensures consistent spark, efficient heat transfer, and dependable operation across a wide range of riding conditions.

Pre-gapped at 0.9 mm, this plug is ready for installation in most applications that specify it.

Key Features

  • OEM-equivalent nickel electrode for dependable, consistent ignition
  • 98% copper core improves heat dissipation and engine efficiency
  • Trivalent metal plating resists corrosion and prevents seizing
  • Triple gasket seal prevents combustion gas leakage
  • High-strength alumina silicate ceramic insulator
  • Pre-gapped (0.9 mm) for easier install

Specifications

General

  • Part Number: DPR8EA-9
  • Stock Number: 4929
  • Heat Range: 8 (cold)
  • Resistor: Yes (5k Ohm)
  • Gap: 0.9 mm

Shell

  • Thread Size: M12 x 1.25
  • Seat Type: Flat (crush washer)
  • Reach: 19.0 mm
  • Hex Size: 18 mm
  • Terminal Type: Stud

Electrodes

  • Center Electrode: Nickel
  • Ground Electrode: Nickel
  • Configuration: J-gap
  • Projection: Mid projection

Fitment Highlights

This plug fits a wide range of motorcycles and dual-sport bikes, including:

Honda

  • CB, CBR, Nighthawk, Gold Wing, Shadow, Rebel, XR, XL, CRF series
  • Models spanning early 1980s–2020s

Kawasaki

  • KLR650 (including newer 2022+ models)
  • KLX650, ZG1200 Voyager

Suzuki

  • GS500 / GS500F
  • Boulevard (S40, S50, S83)
  • Intruder & Marauder series

Triumph

  • Bonneville, Thruxton, Scrambler
  • Speed Triple, Sprint, Thunderbird, Rocket III

Yamaha

  • V-Max, XT600
  • Roadliner / Stratoliner / Raider / Royal Star series

KTM

  • 660 Rally

(Covers decades of bikes—from vintage carbureted models to modern dual-sports.)

Performance Notes

  • Heat range 8 (colder plug): ideal for higher-performance or hotter-running engines
  • Designed for engines using standard nickel plugs (not platinum/iridium)
  • Excellent for street bikes, cruisers, touring bikes, and dual-sport applications
  • Typical service life: ~20k–30k miles, depending on conditions
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Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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