Piston Seal (P2B) 85mm x 69.5mm x 6.05mm - Teflon/Nitrile

Piston Seal (P2B) 85mm x 69.5mm x 6.05mm - Teflon/Nitrile

Marsoni

M251S

$88.04

Get it in 3 business days with 1 day shipping. Friday, May 29

Piston Seal (P2B) 85mm x 69.5mm x 6.05mm - Teflon/NitrileProduct Details : Piston Seal (P2B) 85mm x 69. 5mm x 6. 05mm Teflon Nitrile Part No: P085069063P2B Product Category: Piston Seals Product Type: Piston Seal Profile: P2B No. Of Pieces: 2 PCS Material(s): Teflon Nitrile Material Code: PTFE NBR Temperature Range: 30F to +230F ( 34C to +110C) Pressure Range: 5800 PSI ( 400 Bar) Surface Speed: < 12 ft s (3. 7 m s) System Of Measurement: Metric Bore Diameter: 85mm Dimensions: 85mm x 69. 5mm x 6. 05mm

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I ordered this Engine Coolant Hose (part #11537545890) for my 2006 BMW 330xi as part of a comprehensive cooling system overhaul. Along with this hose, I had my mechanic replace the thermostat, water pump, radiator, expansion tank, and all other related hoses. This hose fit exactly as expected—no issues during installation. It’s been three weeks since the job was completed, and everything is performing flawlessly. No leaks, no warning lights, and the engine temperature remains stable under all driving conditions. Although this is not a genuine OEM part, the quality appears solid and it matched up perfectly with the original in terms of length, shape, and connector alignment. For anyone looking to refresh their aging BMW’s cooling system, this hose is a reliable and cost-effective option. Just be sure to verify the part number for compatibility before purchasing. Highly recommended if you’re doing preventive maintenance or replacing a failed hose as part of a larger cooling system repair.

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Reviewed in the United States on August 3, 2025

Verified Purchase

Man with plan

Fort Morgan, US

★★★★★ 5

Highly recommend

Perfect fit for my Mercedes C300 V6

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Reviewed in the United States on March 1, 2026