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Bosch 7403 Platinum Multi-Ground Spark Plug - FR5DTC

(1989-1998 Porsche 911)

Part of: Bosch Platinum Multi-Ground Spark Plug

Other options in this family: Bosch FGR6NQE0 Bosch 7401 Bosch 7406 Bosch 7413 Bosch 7411

Manufacturer

Picture for manufacturer Bosch

Part Number

7403
12 reviews
Sale Price

$3.82

In Stock (10+)

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Bosch 7403 FR5DTC is a premium platinum spark plug featuring innovative multi-ground firing technology that combines the benefits of surface air gap design with three ground electrodes. This unique configuration provides multiple radial spark paths while optimizing plug longevity and consistent ignition performance.

Key Features:

  • Three ground electrode design creates multiple spark paths for reliable ignition
  • Surface air gap technology maximizes plug service life
  • Tapered V-profile nickel chromium ground electrode ensures consistent performance and extended durability
  • Exclusive Yttrium-enhanced extruded copper core center electrode increases resistance to spark erosion
  • Delivers 50 percent longer service life compared to traditional copper core spark plugs
  • Platinum construction for superior heat dissipation and reduced electrode wear

Engineered for demanding applications, this spark plug combines advanced materials and proven design to deliver reliable starting, smooth acceleration, and optimal engine performance across a wide range of operating conditions.

Products specifications

Fits

1989-1998 Porsche 911

Electrode Core Material

Copper

Electrode Tip Material

Copper

Ground Strap Quantity

Three

Quantity

Sold individually.

Shorty Spark Plug

No

As described

Great price and service.

Great price, shipping slower then expected but only by a few days.

Can't say how the product is just installed

WOW THAT WAS EASY !

Fast easy ordering, delivery quick and well protected. Thank you! See ya soon Nick in NV

Delivery was fast and customer service was very responsive to my questions about the shipment.

When searching for the accessory which I needed, I found Autoplicity offered it at the lowest price available. The item had a promotion for free shipping, which made the purchase even more enjoyable. Overall, a positive buying experience.

Best prices, fast shipping, and product as described. I would definitely recommend Autoplicity.

The selection is bountiful and the prices beat all I've seen.

Best price on the product I was looking for. Extremely fast shipping even with ground. Got my order out right away and it arrived very well packaged.

Best price I could find on line, shipped really fast. With how low the price is I was worried but everything came fast and it was the correct parts. This place really keeps the cost of racing down.

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