Efficient Sealing : produced of premium rubber component , ensures optimal sealing for engine oil coolers and effectively prevents oil leaks, ideal for vehicle owners seeking stable long term operate . Precise OEM : Designed to exact specifications (55566388), perfectly fits , , and 1.4T models for easy direct replacement, requiring not adjustments during installation. Strong & stable : rigorously tested for consistent and high reliability, reducing replacement frequency for frequent drives . Wide Vehicle Compatibility : Specifically engineered for 1.4T engines, suitable for , , , and models, solving multi model seal selection challenges. Easy Maintenance Design : Simple installation structure saves repair time and costs, perfect for owners prioritizing efficient routine maintenance.