Timing Chain Kit for 2005–2019 Nissan Pathfinder, Xterra, and Frontier 4.0L V6 24V VQ40DE Engines (Fits: Nissan)
The Nissan VQ40DE engine employs a complex, multi-chain timing system. When replacing timing components, it is essential to utilize timing chains of specific lengths, tensioners, and gear profiles designed to precisely match the structural configuration of its DOHC 24-valve V6 engine.
Description
Chain Specifications
Main Chain (Lower Chain): 210 links
Auxiliary Chain (Upper Chain): 2 required; typically 66 links each
Sprocket Specifications
Crankshaft Sprocket: 26 teeth
Camshaft Sprocket: 36 teeth
Main Kit Components
The standard replacement kit includes:
1 main timing chain (210 links) and 2 secondary timing chains (66 links) · 1 main (lower) chain tensioner and 2 secondary (upper) chain tensioners · 3–4 guide rails (including tensioner arms and fixed guides) · Crankshaft and camshaft sprockets










