Buy 2004 Toyota Highlander Exhaust Manifold Heat Shield (Upper). 2WD, left side, upper. 3.3 LITER Left, LITER, Insulator - OEM Toyota Part # 1716820070 (17168-20070)

Insulator. Heat. Exhaust. Manifold.
A Heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold. M. Cover. Deflector. Shield.

Catalytic Converter Heat ShieldExhaust Manifold Heat Shield

Fits Highlander, Sienna

2WD, left side, upper. 3.3 LITER, exhaust manifold, w/converter, upper. 3.3 LITER, upper. 4WD, upper. Manifold.
Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your 2004 Toyota Highlander may be a bent or rusted exhaust heat shield.