Buy Lincoln MKS Shield. Heat. Exhaust. 2009-12. 2009-12, 2009-10. 2009-12, 2011-12. 3.5 LITER. 3.5 LITER, Left, TURBO - OEM Lincoln Part # AT4Z9Y427A (AT4Z-9Y427-A)

A Heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold. Heat Shield used on the catalytic converter. Manifold. Catalytic Converter. Inner.

Catalytic Converter Heat ShieldExhaust Manifold Heat Shield

Fits MKS (2009 - 2012)

2009-12. 2009-12, 2009-10. 2009-12, 2011-12. 3.5 LITER. 3.5 LITER NON TURBO, 2011-12. 3.5 LITER W/O TURBO, 2010. 3.5 LITER W/O TURBO, 2011-12. 3.7 LITER. 3.7 LITER, 2010. 3.7 LITER, 2011-12. US ONLY.
Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your Lincoln MKS may be a bent or rusted exhaust heat shield.