About This Vehicle Compatibility(4.0L Inline 6 Only): Compatible with Jeep 4.0L engines including: For Cherokee (1989-1998), Comanche (1987-1992), Grand Cherokee (1993-1998), and Wrangler (1991-1998). Designed specifically for 4.0L I6 engines – please verify engine size and OE number before purchase OE Direct Replacement: Replaces OE numbers 0280155703, 0280155710, 0280155700, FJ216, M02710X6. Manufactured to original equipment specifications for correct connector fitment and plug-and-play installation Restore Smooth Idle & Throttle Response: A failing fuel injector may cause rough idle, engine hesitation, misfire, hard starting, or loss of power. Replacing worn injectors helps restore stable idle, smooth acceleration, and consistent fuel delivery Balanced Spray Pattern for 4.0L Engines: Engineered for precise fuel atomization and balanced cylinder distribution to support proper combustion efficiency. Helps maintain consistent performance in older high-mileage Jeep 4.0L engines Quality Tested & Leak Verified: Constructed with durable metal housing and precision internal components. Each injector is flow tested, electrical tested, and leak tested to help ensure dependable daily driving performance