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DENSO 3257 Standard Copper Core Spark Plug

(Ford Mustang 2007-09, 2015-18, Fusion 2006-09; Mercedes-Benz E350 2010-13, E550 2010-13, E63 AMG 2010-13, E400 2013; Dodge Stratus 1995-2000 + 2 more models)

Manufacturer

Picture for manufacturer DENSO

Part Number

3257
7 reviews
Sale Price

$4.19

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The DENSO 3257 is a standard copper core spark plug engineered to deliver reliable ignition performance for a wide range of vehicles. This spark plug features DENSO's proven U-Groove ground electrode design that creates a larger and more concentrated spark kernel compared to conventional spark plugs.

Key Features:

  • U-Groove ground electrode design provides better ignitability for increased engine efficiency
  • Copper core center electrode for improved heat dissipation and thermal conductivity
  • 14mm thread diameter with gasket seat
  • Standard resistor design to prevent electromagnetic interference with onboard electronics
  • OE-quality construction meets or exceeds original equipment specifications

DENSO spark plugs are manufactured to strict quality standards and provide dependable performance for everyday driving conditions. The U-Groove design enhances flame propagation for improved combustion efficiency, better fuel economy, and reduced emissions.

Products specifications

Fits

Ford Mustang 2007-09, 2015-18, Fusion 2006-09; Mercedes-Benz E350 2010-13, E550 2010-13, E63 AMG 2010-13, E400 2013; Dodge Stratus 1995-2000; Saab 93 1999-2002, 95 1999-2000, 2002-05; Oldsmobile Cutlass Calais 1989-91

Pre-Gap Size

1.1

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

22

Reach

19.00

Hex Size

16.0

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.

Lowest price and S&H around! Prompt responses! Will def buy from again!

Great price. Easy website to use.

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.

Easy and fast. Order arrived very fast. Thanks.

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