Left.QUAD CAB. PILLARS & FLOOR. Right.QUAD CAB. W/S pillar trim screw. Body A-Pillar Trim Panel Bolt. Body B-Pillar Trim Panel Bolt. Bolt that secures the bumper Cover. Engine Coolant Thermostat Housing Bolt. Engine Cover Bolt. Quarter Panel Splash Shield Bolt. Body B - Pillar Trim Panel. Bumper. Center Pillar Trim. Engine Coolant Thermostat Housing. Hex Head. Manifold. Quarter Panel Splash Shield. Rail. Thermostat hsng. Thermostat unit. Wheelhouse liner. WindShield Pillar Trim.