NISSAN 13143-2W203 Timing Chain Sprocket

The genuine NISSAN 13143-2W203 timing chain sprocket is a high-strength, critical rotating component of the internal combustion engine timing system. Its primary function is to transmit torque and synchronized motion via the timing chain between the crankshaft, injection/high-pressure pump, and camshafts, ensuring precise timing of valve opening and fuel injection events. Within the ZD30 diesel engine family timing drive, precise tooth profile geometry is crucial to prevent timing chain jumping and ensure an optimal combustion process.

Sprocket wear is most commonly evidenced by asymmetrical or pointed tooth wear, which can cause chain slack, noisy (rattling) operation, and in extreme cases, timing chain slippage resulting in catastrophic internal engine damage.

Technical Specifications:

• Manufacturer: NISSAN (Genuine OEM part)
• Part number: 13143-2W203
• Reference / superseded part number: 131432W202
• Part type: Timing chain sprocket (SPROCKET-CHAIN)
• Material grade: High-strength, induction-hardened alloy steel
• Machining: Precision-cut teeth to reduce friction, vibration, and noise emissions

Compatible Vehicle Models:

• Nissan Nissan Truck (D22) 3.0 TD [2002 - 2005] (SPROCKET-CHAIN (ZD30DDT))
• Nissan Np300 F/Sbs (D22SS) [2009 - 2011] (SPROCKET-CHAIN)
• Nissan Patrol (Y61) 3.0 TD [2002 - 2012] (SPROCKET-CHAIN (ZD30DDTI))
• Nissan Terrano2 (R20) [2002 - 2004] (SPROCKET-CHAIN)
• Nissan Urvan (E25) 3.0 TD [2003 - 2007] (SPROCKET-CHAIN (ZD30DDTI))
• Nissan Urvan (E25) 3.0 D [2003 - 2007] (SPROCKET-CHAIN (ZD30DD))