The John Deere RE544394 is a genuine OEM spin-on fuel filter engineered to deliver superior filtration for a wide range of John Deere agricultural and construction equipment. This critical component ensures clean fuel delivery to the engine, protecting vital parts from contaminants and extending engine lifespan. Featuring an outer diameter of 76 mm, a height of 121 mm, and an M16 x 1.5 thread, it is designed for precise fitment and optimal performance in John Deere 5R, 6R, 7R, 8R, 9R series tractors, S-series combines, 8000 series forage harvesters, R-series sprayers, K-series loaders, G-series motor graders, and G/K-series excavators and dozers.