This is a Genuine Nissan crank gear sprocket designed for Nissan Navara D22, D40, and Pathfinder R51 models fitted with the YD25 engine. Located on the front of the engine's crankshaft behind the harmonic balancer, this sprocket is a critical component that drives the timing chain, ensuring the engine's camshafts are correctly synchronised with the crankshaft's rotation.
As a key wear item, the hardened teeth on the crank gear can wear down or break over time due to normal engine operation. A worn or damaged sprocket can lead to incorrect engine timing, resulting in poor performance, a rough idle, or a no-start condition. It is highly recommended that this gear be replaced as part of a complete timing chain service or if the harmonic balancer has failed or been removed.
Replacing the crank gear sprocket is a complex workshop job that requires significant engine disassembly and specialised tools. Accessing the gear involves removing the harmonic balancer and timing covers. Professional installation is recommended to ensure correct timing alignment upon reassembly. It is common to replace the timing chains, guides, tensioners, and related seals at the same time as the crank gear.
Timing Chain Kit - (Please browse our full range on kits for your exact YD25 Models) TIMINGD40M
Crank Front Seal - 13510AD200
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.