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Bosch 4018 Platinum Plus Spark Plug - WR8DP+

(Honda Civic 1973-79; Toyota Corolla 1968-79, 4Runner 1984-95, Land Cruiser 1974, 1979-87, 1991-92, Pickup 1975-95, Celica 1975-81, 1983-85 + 136 more models)

Part of: Bosch Platinum Plus Spark Plug

Other options in this family: Bosch FR7DPP+ Bosch 4005 Bosch 04018 Bosch 6707 Bosch 4012

Manufacturer

Picture for manufacturer Bosch

Part Number

4018
10 reviews
Sale Price

$4.62

In Stock (5)

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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 4018 WR8DP+ Platinum Plus Spark Plug delivers reliable ignition performance with a platinum center electrode designed for extended service life up to 50,000 miles. Engineered with Bosch's proven Platinum Plus technology, this plug provides consistent spark energy, reduced misfires, and improved fuel efficiency compared to standard copper plugs.

Key Features:

  • Platinum Center Electrode – 2.5mm platinum tip for durability and long service intervals up to 50,000 miles
  • Projected Electrode Design – Optimizes flame kernel placement for more complete combustion
  • Built-In Resistor – Suppresses electromagnetic interference (EMI) to protect vehicle electronics
  • 14mm Thread Diameter with 1.25mm pitch and gasket seat for a secure, leak-free fit
  • 19mm (3/4") Thread Reach with 13/16" (21mm) hex size for easy installation
  • Heat Range 8 – Nickel ground electrode ensures efficient heat dissipation
  • OEM-Quality Construction – Meets or exceeds original equipment specifications

Torque Specifications:

  • Cast Iron Head: 15–29 lb-ft
  • Aluminum Head: 15–22 lb-ft

Sold individually (pack of 1). The Bosch 4018 WR8DP+ is backed by Bosch's Satisfaction Guarantee, making it a trusted choice for maintenance and replacement applications.

Products specifications

Fits

Honda Civic 1973-79; Toyota Corolla 1968-79, 4Runner 1984-95, Land Cruiser 1974, 1979-87, 1991-92, Pickup 1975-95, Celica 1975-81, 1983-85, Cressida 1978-80, Corona 1975-80, Crown 1968-70; Volkswagen Jetta 1980, EuroVan 1993-95 + 131 more models

Electrode Core Material

Platinum

Electrode Tip Material

Platinum

Ground Strap Quantity

One

Manufacturer Heat Range

8

Quantity

Sold individually.

Shorty Spark Plug

No

Spark Plug Reach

0.750 in.

Spark Plug Seat Style

Gasket

Spark Plug Thread Size

14mm

Wrench Diameter

13/16 in.

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