Professional Nissan QR-Series Crankshaft Pulley – Advanced Harmonic Damping OEM 12303-6N200

Achieving High-Efficiency Power Transmission and Resonance Control for Nissan 2.0L/2.5L Platforms

Engine smoothness and mechanical efficiency are the hallmarks of the Nissan QR20 and QR25 series. Our 12303-6N200 crankshaft pulley is a specialized technical component designed to preserve these attributes. By integrating advanced metallurgy with precision-engineered damping compounds, we provide a solution that actively neutralizes torsional vibrations, protecting the crankshaft assembly and ensuring the quiet, vibration-free power delivery expected in modern Nissan SUV and sedan drivetrains.

Technical Specifications & Application Compatibility

• OEM Identification Number: 12303-6N200
• Primary Vehicle Fitment: Nissan X-Trail (T30/T31), Altima (L31), Teana (J31), and Serena (C24/C25)
• Engine Application: QR20DE (2.0L) / QR25DE (2.5L) DOHC 16-Valve
• Performance Category: High-Stability Harmonic Balancer
• Dimensions (mm): Ext.￠148 / Hole.￠29 / Height: 44

Superior Casting Protocols & Advanced Thermal Bond Integrity

Every CARPARTNER Precision Series component is built to exceed aftermarket standards in IATF 16949 certified facilities:

1. Reinforced Ductile Metal Core: Cast from high-performance ductile iron to ensure maximum structural strength and exceptional resistance to mechanical fatigue.
2. Stable Elastomer Damping Interface: The integrated damping rubber is formulated for high thermal stability, maintaining its shock-absorbing integrity even in high-temperature engine bay environments.
3. Multi-Axis Balance Certification: 100% of our QR-series pulleys undergo electronic dynamic balance testing to eliminate resonance and protect the engine’s rotating assembly.

Strategic Wholesale Support and International Logistics for Nissan Aftermarket

We support international distributors with consistent, high-volume supply and technical excellence. Our 12303-6N200 series is batch-validated and packed in moisture-resistant, reinforced export containers to guarantee safety through all international shipping routes.

Request Your Professional Bulk Quote Today

To receive a detailed pricing analysis and a customized shipping estimate, please provide our technical sales team with the following details:

Contact Details:
🔵 Email: info@CPTautoparts.com ; sales@CPTautoparts.com
🔵 Required Information: Please mention your target order volume and the destination port or warehouse address for an accurate logistics quote.