Autotecnica TY1414878 Engine Variable Valve Timing (VVT) Sprocket - Exhaust

Autotecnica TY1414878 Exhaust VVT Sprocket

Restore proper exhaust cam timing with the Autotecnica TY1414878 engine variable valve timing sprocket. This steel, natural-finish VVT sprocket is built for select Toyota and Scion applications and is specified for exhaust-side use on models such as the Camry, Highlander, RAV4, Sienna, Venza, and tC.

Key Features

• Steel construction for valve train durability
• Natural silver finish
• 12.5 inside diameter and 115.8 outside diameter
• 40-tooth design with 0.201 tooth thickness
• Standard grade type for OE-style replacement use
• Single mounting hole design
• Mounting hardware included

Product Details

The Autotecnica TY1414878 is an engine variable valve timing sprocket for the exhaust side of the valve train. It is engineered as a replacement part for select Toyota and Scion vehicles, including 2009-2012 Toyota RAV4 exhaust, 2011-2012 Toyota Sienna exhaust, 2009-2012 Toyota Venza exhaust, and 2011-2012 Toyota Highlander exhaust applications. It also covers 2010-2011 Toyota Camry exhaust, 2012 Toyota Camry exhaust, and 2011-2012 Scion tC exhaust applications. This part cross-references Dorman OE Solutions 917-259 for the same application.

What It Helps Fix

• Rough idle caused by incorrect exhaust cam timing
• Check engine lights related to VVT performance faults
• Loss of engine response from worn sprocket components
• Timing noise or irregular valve train operation
• Driveability issues on Toyota Camry, RAV4, Highlander, Sienna, Venza, and Scion tC exhaust applications

Installation Notes

Verify engine code, exhaust-side application, and production date before installation. This TY1414878 sprocket should be matched to the exact vehicle listing, including the 2012 Scion tC production date note and the 2010-2011 Toyota Camry California exclusion. Inspect related timing components, seals, and fasteners during service to ensure proper cam timing after installation.

Quality Assurance

Autotecnica manufactures aftermarket parts to ISO/TS 16949 QMS specifications and positions this component as an OE-style replacement for Asian and North American passenger vehicles. The TY1414878 is backed by a two-year, unlimited mileage warranty.