My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

DENSO 4065 W31FS Traditional Nickel Spark Plug

(Ford Mustang 1969-70, Model T 1926-27; Honda Accord 2018-22; Mercedes-Benz CLK320 1999-2003, CLK500 2003, CLK350 2007-09, CLK430 1999-2003 + 4 more models)

Manufacturer

Picture for manufacturer DENSO

Part Number

4065
6 reviews
Sale Price

$3.28

In Stock (9)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The DENSO 4065 (W31FS) is a traditional nickel spark plug designed to deliver reliable ignition performance for a wide range of powersports and small engine applications. Manufactured to OEM quality standards, this spark plug features DENSO's proven nickel alloy center electrode technology for consistent spark and dependable operation.

Key Features:

  • 100% pre-fired at the factory to ensure the highest quality and reliability
  • Machine-rolled threads prevent seizing and cross-threading during installation and removal
  • Standard ground electrode tip design for conventional ignition systems
  • U-groove center electrode design for improved ignitability
  • 1/2-inch reach for proper combustion chamber fit
  • Nickel alloy construction provides durability and heat resistance

DENSO spark plugs are engineered to meet or exceed original equipment specifications, ensuring proper fit and performance. Cross-references to NGK 2634, Champion 2399, and other equivalent part numbers for easy replacement identification.

Products specifications

Fits

Ford Mustang 1969-70, Model T 1926-27; Honda Accord 2018-22; Mercedes-Benz CLK320 1999-2003, CLK500 2003, CLK350 2007-09, CLK430 1999-2003, CLK55 AMG 2002-03, CLK550 2007-09; Plymouth Reliant 1981-88; Kawasaki F5 1970-71

Pre-Gap Size

0.7

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Center Electrode Tip Material

Nickel

Ground Electrode Quantity

1

Ground Configuration

Standard

Center Electrode Core Material

Copper

Ground Electrode Tip Design

Standard

Thread Diameter

14.00

Manufacturer Heat Range

31

Reach

12.70

Hex Size

20.6

First off, I LOVE my new shipments! These guys had everything at super low prices, and the shipping was phenomenally fast. It's all working great, and imm definitely buying from these guys again.

Ordered a sling to store my roof rack. There was an issue with the supplier which was quickly resolved by the Autoplicity staff. Great customer service -- most responsive I've ever seen.<br><br>Best prices around.

I just installed the Husky WeatherBeater floor liners and they are EXACTLY what I was hoping for. Not only was the price almost half of what I found from Walmart, but I received it about a week earlier than promised. I will be back here for all of my auto parts from now on. Thanks so much!!

Great service. Shipped out the day after I ordered it...plus it was the cheapest of the competition.

Cheap prices, great quality, and fast delivery. Autoplicity will continue to receive my patronage.

Easy and fast. Order arrived very fast. Thanks.

Share icon
Return Policy
Returns are easy at THMotorsports

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