NISSAN 13091-VC201 Timing Chain Slack Guide

Part number 13091-VC201 is a genuine OEM NISSAN timing chain guide rail (slack side guide rail / GUIDE-CHAIN SLA). This component is a critical element of the internal timing system on 4.8-liter TB48 series petrol engines, operating in direct contact with the hydraulic timing chain tensioner to ensure proper chain tension, smooth running, and vibration dampening.

Function and Technical Features

The timing chain tensioner-side guide (slack guide) dampens dynamic chain loads occurring during engine speed variations, prevents excessive chain whip, and ensures that the chain remains precisely aligned with the camshaft and crankshaft sprockets. Its special, low-friction, high-heat-resistant polyamide coating protects the chain links from excessive wear and minimizes drive noise.

• Manufacturer: NISSAN OEM
• OEM Part Number: 13091-VC201
• Component Type: Timing chain guide / tensioner-side rail (Guide-Chain Slack)
• Applicable Engine Family: TB48E / TB48DE (4.8L I6 DOHC)

Signs of Wear and Failure

Due to continuous mechanical stress and thermal degradation from engine oil, the plastic sliding surface can thin out, crack, or become brittle over time. Typical symptoms indicating failure include rattling or clattering noises from the front of the engine (especially during cold starts or at idle), false indications of chain stretch, and shifted valve timing. In severe cases, failure of the guide can cause the chain to skip teeth, leading to catastrophic engine damage.

Vehicle Compatibility

• Nissan Patrol (Y61) 4.8 [2001 - 2012] (GUIDE-CHAIN SLA (TB48DE))
• Nissan Safari (GCY61) 4.8 [2017 - 2017] (GUIDE-CHAIN SLA (TB48DE))
• Nissan Safari Pick Up (TY61) 4.8 [2011 - 2012] (GUIDE-CHAIN SLA (TB48E))
• Nissan Safari Pick Up (TY61) 4.8 [2012 - 2014] (GUIDE-CHAIN SLA (TB48DE))
• Nissan Safari Pick Up (GCTY61) 4.8 [2017 - 2017] (GUIDE-CHAIN SLA (TB48DE))