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DENSO 3457 Iridium Long-Life Spark Plug

(BMW Alpina B7 xDrive 2013, 328i 2007-13, X3 2013, Z4 2012-13, 335i 2007-11, 325i 2006, 328i xDrive 2009-11, 2013, 330i 2006, 528i 2012-13 + 32 more models)

Part of: DENSO Iridium Long Life Spark Plug

Other options in this family: DENSO 3534 DENSO FK16HQR11#4 DENSO SK20R-P11 DENSO 3494 DENSO 3518

Manufacturer

Picture for manufacturer DENSO

Part Number

3457
17 reviews
Sale Price

$15.78

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The DENSO 3457 Iridium Long-Life Spark Plug delivers superior ignition performance and extended service life for demanding automotive applications. Engineered with advanced iridium technology, this spark plug offers enhanced durability and reliability compared to conventional copper or platinum plugs.

Key Features:

  • Iridium center electrode provides exceptional wear resistance and longevity
  • Manufactured to strict OE performance, durability, and emissions standards
  • Superior ignitability ensures consistent combustion and optimal engine efficiency
  • High melting point iridium construction withstands extreme temperatures
  • Reduces required voltage for improved cold starting and throttle response
  • Long-life design extends service intervals and reduces maintenance costs

DENSO's precision manufacturing process ensures each spark plug meets exacting quality standards for reliable operation. The iridium electrode design maintains sharp firing edges throughout the plug's service life, delivering consistent performance and fuel efficiency while meeting stringent emissions requirements.

Products specifications

Fits

BMW Alpina B7 xDrive 2013, 328i 2007-13, X3 2013, Z4 2012-13, 335i 2007-11, 325i 2006, 328i xDrive 2009-11, 2013, 330i 2006, 528i 2012-13, X1 2013, 335d 2009-11, 325xi 2006, 528i xDrive 2012-13, 328xi 2007-08, 335i xDrive 2009-11 + 26 more models

Pre-Gap Size

1.1

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Ground Electrode Quantity

1

Center Electrode Tip Material

Iridium

Thread Diameter

12.00

Center Electrode Core Material

Copper

Resistance

5000

Ground Configuration

Needle-to-Needle

Reach

26.50

Manufacturer Heat Range

24

Hex Size

14.3

Ground Electrode Tip Design

Platinum Needle

first time buyer

Easy to use site! Great pricing and free shipping!

Fast delivery and great price!

fine

This is the 1st time I've ordered from you............... and I'll be back for future orders.

I haven't installed the part yet but no complaints thus far...

Easy to find products, and quick checkout.

Quick delivery.

Good experience

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.

Pretty easy

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.

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

I ordered a water pump from them and that Amazon was advertising as a Chrome pump. When I discovered it was not chrome, I asked to cancel the order which was prior to shipping notification. I was told by customer service it had already been sent and I would have to wait until the item was sent for a return to be processed. The return was sent back and all money was credited to my account as promised.

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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