DPH 999-704-173-50 Engine Oil Cooler Seal Large

The DPH 999-704-173-50 is a large engine oil cooler seal designed as an OE-quality replacement for Porsche vehicles. This seal, also known as an oil pump seal, prevents oil leakage at the lower oil cooler connection point, ensuring proper engine lubrication and preventing messy leaks.

Key Features:

• Premium quality seal manufactured by DPH (Dichtungspartner Hamburg), a German seal specialist established in 1986
• Made from durable Viton material for superior heat and oil resistance
• Large seal dimensions: 19.5mm x 26mm x 9.5mm for the lower oil cooler position
• Meets or exceeds OE specifications for materials and sizing
• Direct replacement for Porsche OEM part number 99970417350
• Green Viton construction provides long-lasting performance

This seal is commonly used in conjunction with the smaller oil cooler seal (999-704-172-50) during complete oil cooler service. DPH seals are manufactured using state-of-the-art processes in Germany, ensuring precise fitment and reliable sealing performance. Replace this seal whenever servicing the oil cooler system or if you notice oil seepage around the cooler connections.

Cross-Reference Numbers: 99970417350, 99970417350-EC, 99970401750, 710.903, W01331643610