For John Deere JDG1559 Timing PIN Stanadyne, Injection Alternative 40610/JDG1559 JDG1559 Timing PIN for John Deere Stanadyne Injection Pump Timing Tool Alternative 40610/JDG1559 Application: For JDG John Deere engines with Stanadyne Fuel Pumps, cross reference: JDG1559, 40610. Functionality: Use for static lock pin timing during installation of the injection pump. Premium Quality: 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. Easy Installation: (𝗶) Before installing injection pump on engine, install JDG1559 injection Pump Timing Pin into pump , timing pin bore. (𝗶𝗶) Install a small punch or screwdriver into hole in pump drive shaft and turn shaft until timing pin drops into recess in injection pump drive shaft. (𝗶𝗶𝗶)Leave the pump timing pin in the pump until installation is complete. 100% Satisfaction Guarantee： Your satisfaction is our priority. We strive to give our customers excellent service. All our products support 60-Day money-back guarantee,12-Month warranty for quality-related issues. Simply return it for your warranty.