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 4010 U-Groove Spark Plug

(1995-1998 Porsche 911; 2009-2011 Mitsubishi Lancer; 2015-2021 Mercedes-Benz C300; 2015 Mercedes-Benz C400; 2013-2015 Audi RS5 + 5 more models)

Part of: DENSO Spark Plug

Other options in this family: DENSO 5047 DENSO 3531 DENSO 999-170-238-90 DENSO 3122 DENSO 5027

Manufacturer

Picture for manufacturer DENSO

Part Number

4010
16 reviews
Sale Price

$4.44

In Stock (6)

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 4010 U-Groove spark plug delivers superior ignition performance for improved engine efficiency. Featuring DENSO's innovative U-Groove ground electrode design, this spark plug creates a more focused spark that enhances ignitability compared to conventional designs.

Key Features:

  • U-Groove ground electrode design for optimized spark delivery
  • Enhanced ignitability for more complete fuel combustion
  • Improved engine efficiency and performance
  • Standard resistor construction for reduced electromagnetic interference
  • Precision-engineered to OEM specifications

The unique U-Groove design concentrates the spark energy at the point of ignition, resulting in better throttle response, smoother idle, and more efficient fuel consumption. DENSO's commitment to quality ensures reliable performance and long service life.

Products specifications

Fits

1995-1998 Porsche 911; 2009-2011 Mitsubishi Lancer; 2015-2021 Mercedes-Benz C300; 2015 Mercedes-Benz C400; 2013-2015 Audi RS5; 2007-2008 Audi RS4; 2009 KTM 65 SX; 2009 KTM 65 XC; 1996-2006 Kawasaki EX250F Ninja 250R; 2016 McLaren 675LT

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

Thread Diameter

14.00

Resistance

5000

Ground Electrode Tip Design

U-Groove

Manufacturer Heat Range

24

Reach

12.70

Hex Size

16.0

Grate stuff

great pricing

It was good. No issues, my package was delivered quick with no damages to the package. It was everything that was described. I will be using you guys again. Thank you

Efficient web service, easy to order!

great

Smooth transaction & fast delivery. Thanks

Correct bulkhead kit for the top nut that starting splitting in half.

It was shipped very fast and just as ordered.

Great customer service

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.

Quick shipping, nice easy to use web site, and the lowest price with shipping around.. will use again..

Had the part I needed at a reasonable price. Speedy shipping.

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

I bought a Motive pressure brake bleeder from Autoplicity. I have been looking around for different prices for quite a while, and their price, even with shipping cost, was the lowest. After ordering, I received a notification of shipment and tracking number. The item arrived well packaged, complete, and intact within a few days. I am looking forward to using it.

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

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