DPH 17-22-8-604-345 Oil Cooler Line O-Ring 13.4x1.78mm

The DPH 17-22-8-604-345 is a precision-engineered engine oil cooler line O-ring seal measuring 13.4mm x 1.78mm, designed as a genuine OEM replacement part for BMW vehicles. This critical sealing component prevents oil leaks that are most often caused by worn seals, ensuring proper engine lubrication system integrity.

Key Features:

• Precise 13.4mm inner diameter x 1.78mm cross-section dimensions for exact OEM fit
• Manufactured by DPH to BMW's exacting quality standards
• Used in engine oil cooler line connections and oil filter housing applications
• Direct replacement for BMW part number 17228604345
• Essential seal for maintaining oil system pressure and preventing leaks

This O-ring is a critical wear item in BMW engine lubrication systems, particularly in vehicles equipped with external oil coolers. Regular replacement during maintenance helps prevent costly oil leaks and ensures optimal engine protection. The O-ring seals oil cooler line connections where high temperatures and pressures demand reliable sealing performance.

OEM Cross-References: 17228604345, 17222245358, 17220154348