The Garrett 403069-0199 Compressor Housing O-ring is specially designed for 7.3 Powerstroke diesel engines from 1999.5 to 2003, providing superior sealing capabilities for your engine and enduring long term performance. The precision engineered O-ring is constructed out of premium components to ensure a tight fit and accurate seal that won't wear or breakdown over time or under extreme conditions. This ensures optimum power levels and optimal performance while prolonging the life of your diesel engine. You can count on this Garrett 403069-0199 compressor housing O-ring to have your motor running at maximum potential time after time.