GSS BMW Cooling System O-Ring Kit – For E60 E61 545i 550i (N62 N62N) Radiator & Coolant Hoses

Got a BMW E60 or E61 with the N62 or N62N V8?

If you're tackling a cooling system refresh, you absolutely need this GSS o-ring kit.

It's a brand new collection of all those crucial little rubber rings that seal your radiator, coolant hoses, and expansion tank.

Made right here in the USA from high-quality NBR material, these o-rings are way more durable than the crusty old originals.

Part numbers include 13621743299, 11517507717, and 11531710048, covering the key spots that love to leak on these Bavarian beauties.

Don't slap it all back together with worn-out seals—do it once, do it right with this kit.

Peace of mind for your cooling system, backed by a 1-year warranty.