This is a Genuine Nissan lower timing chain tensioner designed for the YD25 engine found in specific Nissan Navara D40 and Pathfinder R51 models. It is a critical engine component responsible for maintaining the correct tension on the lower timing chain. This tensioner is located inside the front timing case, where it applies hydraulic and spring pressure to the chain guide to prevent slack.
A properly functioning tensioner is essential for correct engine timing, performance, and longevity. This part can fail due to internal wear, loss of hydraulic pressure, or a weakened spring, which prevents it from keeping the timing chain properly tensioned. Replacing a worn tensioner with a genuine Nissan unit restores the integrity of your engine's timing system.
Replacing the timing chain tensioner is a complex workshop job that requires significant mechanical expertise. Access requires the removal of the engine's front timing cover and other ancillary components. Specialised tools, including timing chain locking tools and a torque wrench, are necessary for this procedure. When replacing the tensioner, it is highly recommended to inspect or replace the timing chain, guides, and related seals. A complete timing chain kit is often the best option for a comprehensive repair.
At Patrolapart we sell a complete kit with all the necessary parts to do this job as recommended
Thai D40 - TIMINGD40TYD
Spanish D40 After 2010 - TIMINGD40M2
Spanish D40 Before 2010 - TIMINGD40M
Please check vehicle fitment to confirm compatibility with your vehicle. Please contact us with your VIN details if you require further assistance to confirm fitment.
Choosing genuine Nissan parts ensures the quality and fit for your Nissan. Unlike some aftermarket alternatives, genuine Nissan parts are manufactured to exacting standards, using materials specifically designed to withstand the rigors of Australian conditions. Guaranteeing performance, service life, and reliability. An inferior quality tensioner can fail prematurely, causing the timing chain to slip and resulting in catastrophic engine damage costing thousands to repair.