Description
Product Overview
Part Name: Crankshaft Belt Pulley
Part Number: 12303-4S100
Vehicle Compatibility: Suitable for Nissan Frontier and Nissan Xterra vehicles equipped with the 3.3L VG33E petrol engine, manufactured between 1999–2004. Designed to match the crankshaft pulley configuration used in Nissan’s belt-drive system for these models.
Configuration: Precision-balanced pulley featuring a multi-rib belt groove, reinforced steel or alloy construction, corrosion-resistant coating and OE-style hub mounting profile to ensure smooth accessory drive performance.
Function: Transfers crankshaft rotation to drive engine accessories including the alternator, water pump, power steering pump and A/C compressor, ensuring stable belt tension and reducing vibration for reliable vehicle operation.
Technical Specifications
Type: Engine crankshaft belt pulley
Material: High-strength steel or cast alloy with anti-corrosion finish
Application: Fits Nissan Frontier & Xterra 3.3L VG33E engines using crankshaft pulley number 12303-4S100
Cross-Reference: Compatible with pulleys sharing identical groove spacing, hub diameter and bolt pattern across the VG33E engine family
Installation: Direct-fit replacement; install when belt noise, pulley wobble, vibration, cracks or misalignment are detected
Service Interval: Replace during belt-drive system overhaul or when wear, damage or imbalance affects engine accessory performance
Delivery & Availability
Stock Options: Crankshaft pulleys available in ready stock
Delivery Time: 3–7 days internationally
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