Timing chain kit for Toyota Corolla 09-15, Matrix 09-13, and Prius 1.8L 1ZR.

Primarily suitable for Toyota 1ZR-FE (1.6L) and 2ZR-FE (1.8L) engines.
Commonly found in 2006-2007 Corolla, Auris, and Yaris models, as well as subsequent models.

Description

The 1ZR timing chain kit, suitable for Toyota 1.6L/1.8L engines (such as Corolla, Auris, Yaris), typically includes the main timing chain, oil pump chain, crankshaft sprocket, camshaft sprockets (intake/exhaust VVT), tensioner, oil pump chain tensioner, multiple guide rails, and sometimes a crankshaft front oil seal, providing the necessary components for replacing the entire timing system of engines such as the 1ZR-FE/2ZR-FE.

Timing chain: The main chain connecting the crankshaft and camshaft.
Oil pump chain: A shorter chain used to drive the oil pump.
Sprockets/Gears: Crankshaft sprocket, oil pump sprocket, intake variable valve timing (VVT) gear, exhaust variable valve timing (VVT) gear.
Tensioners: Main tensioner and oil pump tensioner, used to maintain proper chain tension.
Guides: Multiple plastic/metal guides used to support the chain.
Optional seals: Typically include the front crankshaft oil seal and VVT screws.