ZF SPZFR6F11G 火花塞，适配克莱斯勒3.0、牧马人、战马、大捷龙、吉普、道奇多车型

Iridium spark plug with SPZFR6F11G installed in the threaded hole of the engine cylinder head; designed to generate high-voltage sparks at the end of compression stroke to drive piston work. Compatible with Chrysler 3.0L, Wrangler, Gladiator, Grand Caravan, Jeep, and Dodge models from 2000 onwards; part number SPZFR6F11G. Replacement difficulty is moderate; labor time about 1–1.5 hours (depending on V-angle or inline layout). If idle roughness, hesitation on acceleration, rising fuel consumption, or starting difficulties occur, indicate electrode wear or heavy carbon buildup and replacement is needed to maintain ignition efficiency.