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Best Prices: Bosch (7420) HR9DI33Y 20 PlatinumIR Fusion Spark Plug - Pack of 1 » Bosch
Compare prices and find the best price (cheap discount price) of the auto part Bosch (7420) HR9DI33Y 20 PlatinumIR Fusion Spark Plug - Pack of 1 by the part number 7420, BS7420 from a variety of different online car part stores and dealers.
Part Name: Bosch (7420) HR9DI33Y 20 PlatinumIR Fusion Spark Plug - Pack of 1
Part Number: 7420, BS7420
Part Brand: Bosch
Part Image / Picture
Part Description & Details
Bosch combines the best features of their +4 plug with the advantages of iridium. The Bosch PlatinumIR Fusion plug fuses iridium with platinum, combining the superior properties of both materials into a single fine wire center electrode. Additionally this plug uses surface air gap technology and 4 yttrium enhanced ground electrodes for both performance and extra long life. The fine wire iridium and platinum center electrode (which is heat fused into the extended ceramic insulator) reduces the voltage necessary to jump the gap as well as reduces quenching. The 4 ground electrode design not only provides multiple radial spark paths, but also the surface air gap design creates optimal exposure of the air and fuel mixture to the enhanced ignition spark. The combination of an iridium and platinum center electrode and the yttrium -enhancement of the ground electrodes even further extends plug life. This plug is designed to give exceptional performance, reach self cleaning temperature faster for quicker starts, smoother acceleration and increased fuel efficiency.
Features:
Features:
- Platinum heat-fused center electrode for longer service life
- Finewire design requires lower ignition voltage for reliable cold weather starting and superior operation under all driving conditions
- Yttrium enhanced copper core tapered v-profile ground electrode provides extended service life and improved access to air-fuel mixture
- 14mm Thread Size
- 16mm Hex Size
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