Buy OEM 2003 Porsche Part # 90012311121 (90012311120, 99104410000, 900-123-111-20, 900-123-111-21). Engine Coolant Temperature Sensor O-Ring. 2.7, 3.4 LITER. 3.0 LITER TURBO, FRONT. 3.4, 3.8 LITER, FRONT. 3.8 LITER. FRONT

Engine Coolant Temperature Sensor Seal Ring. Sealing Ring. Temperature Sensor o - Ring.
Engine Coolant Temperature Sensor O-Ring. Location-Engine Coolant Hose.

Fits 718 Boxster, 718 Cayman, 911, Boxster, Cayman

2.7, 3.4 LITER. 3.0 LITER TURBO, FRONT. 3.4, 3.8 LITER, FRONT. 3.8 LITER. FRONT.