Idler Arm Support Weld In Gusset For 1999-2006 Silverado/Sierra 1500 4WD Cognito UV and Ozone resistant

UV and Ozone resistant

The XD477 comes ready to install with a durable black anodized finish that provides you with a sleek and custom look

Or Overheated Factory Wiring

Upgrading the harmonic balancer (also known as a crankshaft vibration damper) when you increase your diesel's power output is vital for prolonged engine life

All wear parts such as seals

Idler Arm Support Weld In Gusset For 1999-2006 Silverado/Sierra 1500 4WD Cognito UV and Ozone resistantThe idler pivot is what the idler arm mounts to and pivots about, and the OEM idler pivot has issues with bending the shaft and also bending the tabs on the frame that locate the idler pivot. When these issues happen, the passenger side of the drag link ends up higher in the frame, creating an excessive angle of the passenger tie rod and usually causes tie rod problems. The Cognito Idler Pivot is a much stronger upgrade that has a hardened alloy steel