Captain O-Ring LLC – Replacement for Pentek, Pentair 357255 Lid O-Ring – Pool and Spa Pump ORing 3 Pack

The Pentair 357255 Lid O-Ring 3 pack fits Pentair 348021, 348022, 348023, 348024, 348025, 348026, 340036, 340037, 340038, 340039, 340040, 3400341, 341111, 340042, 340043, and 340044 pool/spa pumps. See parts diagram in product photos for how this o-ring fits into your pump.

The 357255 o-ring has an inside diameter of just under 5-1/2" and outside diameter of almost 6. This o-ring’s thickness is slightly less than 1/4. — Only purchase this item if your system calls for Part Number 357255. Please contact Captain O-Ring LLC if you are unsure if this is compatible with your unit.

What to expect: This item includes three 3 o-rings in a resealable zip-top poly bag with "Captain O-Ring" branded packaging.

Manufactured and warrantied against defect for one year by Captain O-Ring LLC. "Captain O-Ring" is a registered trademark of Captain O-Ring LLC.

• Part: Pentair 357255 Lid O-Ring Replacement kit contains 3 o-rings
• Fits Pentair 348021, 348022, 348023, 348024, 348025, 348026, 340036, 340037, 340038, 340039, 340040, 3400341, 341111, 340042, 340043, and 340044 pool/spa pumps
• The 357255 o-ring has an inside diameter of just under 5-1/2" and outside diameter of almost 6. This o-ring’s thickness is slightly less than 1/4.
• Material: Buna-N nitrile butadiene rubber
• Manufactured and Warrantied by Captain O-Ring LLC, with decades of experience in the sealing and chemical industry.