Buy 2003 Ford F-150 Shield. Heat. Exhaust. (Upper). 6.8 LITER. 7.3 LITER. E-350 Super Duty; 7.3L; Left Left, Duty, Side, LITER - OEM Ford Part # LC3Z9Y427C (LC3Z-9Y427-C, LC3Z9Y427B)

A Heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold. Exhaust Heat Shield. Manifold. Converter. Inner. Muffler. Pipe.

Exhaust Heat ShieldExhaust Manifold Heat Shield

Fits E-350 Super Duty, F-250 Super Duty, F-350 Super Duty

6.8 LITER. 7.3 LITER. E-350 Super Duty; 7.3L; Left. E-450 Super Duty; 7.3L; Left. F250 Super Duty; 6.8L; Left Side. F250 Super Duty; 7.3L; Left Side. F250, F350; 7.3L; Chassis Cab; Left. F250, F350; 7.3L; Pickup; Left. F350 Super Duty; 6.8L; Left Side. F350 Super Duty; 7.3L; Left Side. F450 Super Duty; 7.3L; Left Side. F450, F550; 7.3L; Chassis Cab; Left. F450, F550; 7.3L; Pickup; Left. F550 Super Duty; 7.3L; Left Side.
Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your 2003 Ford F-150 may be a bent or rusted exhaust heat shield.