Fitment: For JDG John Deere engines with Stanadyne Fuel Pumps, cross reference: JDG1559, 40610 Features: 1) Use for static lock pin timing during installation of the injection pump 2) Made of high-quality steel, blackened finish. High strength and corrosion-resistant. Use our premium lawn care parts to keep your lawn equipment running smoothly, ensuring longevity and optimal performance .