Skip to main content

SUMAX Spark Plug Wire – 8 mm – Black

$ 66.95

In stock

Spark Plug Wire – 8 mm – Black

Part #: 21040355

SUMAX quality guaranteed.

Available for ship to store or drop ship.


Free Shipping on New Part orders over $100

SUMAX Spark Plug Wire – 8 mm – Black

Additional information

Weight 0.50 lbs
Part Number

21040355

Punctuated Part Number

2104-0355

Vendor Part Number

S30038

Vendor Punctuated Part Number

S30038

Commodity Code

2104

Commodity Group

ELECTRICAL SYSTEM GROUP

Commodity Type

PLUG WIRE GROUP

Product Description

SUMAX Spark Plug Wire – 8 mm – Black

Key Features

  • Precut and have the plug/coil boots and terminals already installed
  • Boots and wires are made from extra-high-temperature silicon, which gives protection up to 600°F
  • Spiro-Pro core provides up to 10 times the conductivity of a standard carbon-core wire
  • Low resistance means they run cooler and last three to four times longer than carbon-core wires
  • Made in the USA

Technical Specifications

  • Weight: 0.50 lbs
  • Supplier Number: S30038
  • Unit of Measure: Kit

Current Warehouse Inventory

Stock by Location:

  • Janesville, WI: 0 units
  • Batavia, NY: 0 units
  • Dallas, TX: 0 units
  • Fresno, CA: 0 units
  • Reno, NV: 9 units
  • Asheville, NC: 0 units
  • National: 9 units

Total Available: 18 units

Inventory Last Checked: December 4, 2025 at 1:00 AM UTC

Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

Product Reviews

Reviews

There are no reviews yet.

Be the first to review “SUMAX Spark Plug Wire – 8 mm – Black”

Your email address will not be published. Required fields are marked *

Need help with installation?  Our Service Department based in Kansas City, Missouri is here for you.  Fill out a Service Request and lets get you rolling!