My Account
Shopping Cart

NGK Spark Plugs 4677 BR9ECS Standard Copper Core Spark Plug 10-Pack

(Ski-Doo MX Z Sport 600 Carb 2014-17, 2019, Expedition TUV 600 2005, Grand Touring Sport 600 Carb 2012-14, MX Z 440 X 2005, 2007 + 55 more models)

Manufacturer

Part Number

4677
Sale Price

$8.20

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The NGK 4677 BR9ECS standard spark plug is trusted by automotive, motorcycle, and marine engine manufacturers worldwide for reliable ignition performance. Featuring a unique copper core and precision electrode design, this spark plug delivers consistent starts, optimal engine performance, and extended service life.

Key Features:

  • Solid copper core for superior heat dissipation and conductivity
  • Triple gasket sealing process eliminates combustion gas leakage past the shell
  • 99% pure alumina silicate ceramic insulator provides exceptional dielectric strength and thermal conductivity
  • Corrugated insulator ribs prevent electrical flashover for consistent spark delivery
  • Cold-rolled threads protect cylinder head integrity during installation
  • Trivalent plating with silver chromate and zinc finish resists corrosion in harsh environments

The BR9ECS is engineered for high-performance applications requiring a colder heat range. Sold in standard 10-pack quantity for convenient multi-cylinder servicing or inventory stock.

Products specifications

Fits

Ski-Doo MX Z Sport 600 Carb 2014-17, 2019, Expedition TUV 600 2005, Grand Touring Sport 600 Carb 2012-14, MX Z 440 X 2005, 2007, MX Z 500 Adrenaline 2005-07, MX Z 500 Trail 2005-06, MX Z 500 X 2007, MX Z 600 Adrenaline 2007-08 + 51 more models

Stock Number

4677

Part Number

BR9ECS

Electrical Terminal Type

Non-Removable Nut

Ground Electrode Core Material

Nickel

Hex Size

13/16

Manufacturer Heat Range

9

Seat Type

FLAT

Center Electrode Tip Material

Nickel

Ground Electrode Quantity

1

Ground Electrode Tip Design

Low Angle

Center Electrode Core Material

Copper

Reach

.75

Ground Configuration

Slant

Insulator Height

55.00

Pre-Gap Size

.032

Thread Diameter

14.00

Resistance

5000

Good

Really good prices and fast delivery.

Very easy to talk to on the phone and excellent service.

Autoplicity has made my parts search so much easier. With the best price gurantee, i can now make autoplicity my one-stop shop for all my parts needs.

I'm very pleased with Autoplicity. i needed a new battery for my antique Ford.After much searching,I found Autoplicity had it for over $25.00 less than the next lowest price I found. My order was shipped in less than 24 hrs. Thank you. I'll be recommending Autoplicity on the Ford forums I belong to

A+ part as advertised, quick shipping.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy