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(888) 312-8812 Login SignupBOSCH 7421 HR9LI33U 21 PlatinumIR Fusion Spark Plug - Pack of 1
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BOSCH 7421 Part Description
Manufacturer
Features
- Fused iridium and platinum center electrode, sintered into an extended insulator nose results in reaching self-cleaning temperature only seconds after starting and provides exceptional wear resistance
- Revolutionary surface air gap firing technology featuring Bosch's unique four ground electrode design delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement
- Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
- Factory pre-set gap allows for easy installation that never requires adjustment
- Fusion's voltage requirement increases less over time versus other iridium plugs for longer reliable performance of the vehicle's ignition system
- Shipping Weight: 0.8 ounces
- Shipping: This item is also available for shipping to select countries outside the U.S.
- ASIN: B002PCBXZW
- Item model number: 7421
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BOSCH 7421 Manufacturer Information
Bosch® keeps the world mobile. It is among the oldest and largest manufacturers of automotive parts, accessories, and hardware. Founded by Robert Bosch as the "Workshop for Precision Mechanics and Electrical Engineering" in 1886, Bosch was known for its innovative strength and social commitment. Bosch spare parts are world recognized for their remarkable quality and reliability, and groundbreaking technology. This brand combines its wide-ranging expertise in automotive technology with advanced software, hardware, and services to deliver comprehensive mobility solutions. With its state-of-the-art brake systems, lighting systems, long-lasting batteries, air filters, starters, and wiper blades, and many other products, Bosch provides the auto and truck parts markets with world-class replacement and spare parts that make driving safer, less stressful, and more eco-friendly.
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