Description
The BOSCH 242140512 (YR6NPP332) is an OE-grade ignition solution specifically calibrated for Mercedes-Benz M271 and M272 engines. It features a 360? continuous laser-welded platinum firing pin and ground electrode inlay, providing 3x the service life of standard copper plugs. The fine-wire design requires less voltage to fire, while the nickel-plated rolled threads offer superior corrosion resistance and anti-seize protection for high-temperature aluminum cylinder heads.








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