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Nissan engine mounts are commonly referenced by OEM part numbers. For 2007-2014 Altima and Maxima models, the left and right motor mounts and torque mounts use designations such as 11220-JA00A and related prefixes (A7361, A4355, A4356, A4353). These numbers can vary by engine and model year, so VIN verification is essential. Aftermarket mounts may be advertised with ISO 9001 quality management certification or SAE J2467 for NVH testing, but purchasers should verify specific manufacturer documentation before relying on those claims. For 2026, NVH performance standards continue to emphasize durability, acoustic comfort, and vibration damping. Any product claim should be confirmed against OEM or applicable standards documents.