路虎揽胜发现3捷豹铱金火花塞 IFR5N10 LR005253 原厂级替换

On Land Rover Range Rover, Discovery 3, and Jaguar engines, IFR5N10 iridium spark plugs (OEM number LR005253) undertake the critical task of igniting the air-fuel mix, directly affecting power output and fuel efficiency. Compatible with many Land Rover and Jaguar models produced after 2000; installation difficulty: medium; typical work time 1–1.5 hours (model dependent). Engine misfires, rough idle, increased fuel consumption, or starting difficulties usually indicate worn electrodes or severe carbon buildup; replace promptly to ensure stable combustion.