Bosch 4503 - Spark Plug
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BOSCH part description
BOSCH PREMIUM CLASS PLATINUMIR FUSION SPARK PLUG -- Iridium platinum, 14 mm thread, 19 mm reach, 16 mm hex size, gasket seat, interference suppression resistor, surface air gap plug, 4 ground electrodes, iridium-platinum fused center electrode, heat range 7; Fuses iridium with platinum and combines the superior properties ob both materials into a single fine wire center electrode; Uses surface air gap technology and 4 yttrium enhanced ground electrodes for both performance and extra long life; Reduces the voltage necessary to jump the gap as well as reduces quenching; Provides multiple radial spark paths and surface air gap design that creates optimal exposure of the air/fuel mixture to the enhanced ignition spark; Designed to give exceptional performance, reach self cleaning temperature faster for quicker starts, smoother acceleration and increased fuel efficiency.
- Series: Bosch Platinum IR Fusion
- Product Fit: OE replacement
- Quantity Sold: Sold individually
- Electrode Core Material: Copper
- Plug Type: Resistor
Product Description
Bosch Platinum Ir Fusion Spark Plug
Application Summary
Acura, 2003-1992, 1990-1986; Alfa Romeo, 1995-1994; Audi, 2001-1992; BMW, 2007-1991; Chevrolet, 1992-1990; Chrysler, 2005-2001; Daihatsu, 1992-1989; Dodge, 1996-1991; Eagle, 1996-1992; Geo, 1993, 1991-1990; Honda, 2003-2000, 1997-1988; Infiniti, 1999-1997, 1991-1990; Isuzu, 1995-1990; Jaguar, 1997-1988; Kia, 2008-1995; Land Rover, 2009-2005; Lexus, 2009-2002, 1996-1990; Mazda, 1991-1990; Mini, 2006-2002; Mitsubishi, 2004-1991; Nissan, 2002-1984; Porsche, 1999-1997; Saab, 1997; Subaru, 2001-1990; Suzuki, 2008-2001, 1998-1992; Toyota, 2001-1988; Volkswagen, 2005-1998; Volvo, 2001-1998, 1994-1993
Fused iridium and platinum center electrode, sintered into an extended insulator nose reaches self-cleaning temperature only seconds after starting and provides exceptional wear resistance.; Revolutionary surface air gap firing technology featuring Bosch unique four ground electrode design that delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement.; Four yttrium enhanced ground electrodes resists spark plug wear and oxidation for exceptional performance life.; Factory pre-set gaps provide ease of installation which never requires adjustment.
spark,plug,iridium,platinum
Product Attributes
| Center Electrode Core Material | --- - Platinum |
| Center Electrode Tip Material | --- - Platinum |
| Pre-Gap Size | --- - '1.6' MM |
| Ground Electrode Quantity | --- - '4' |
| Hex Size | --- - 16 mm |
| Seat Type | --- - Flat |
| Reach | 19 mm |
| Thread Diameter | --- - '14' MM |
| Reach | --- - '19' MM |
| Ground Electrode Tip Material | --- - Nickel-Yttrium |
| Insulator Material | --- - Ceramic |
| Short Style | --- - 'No' |
Additional Information
| Country of Origin (Primary) | DE |
| Harmonized Tariff Code (HTS) | 8511100000 |
| Remanufactured Part | N |
| Stock Status | S |
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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California Proposition 65 Warning
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