Captain O-Ring 3 Pack Buna-N O-Ring for GE HHRING / WS03X10054 — GXWH30C, GXWH35F, GNWH38F, GNWH38S, GXWH40L

Premium replacement o-rings for GE whole-house filter housings

Captain O-Ring offers a ready-to-install Buna-N O-ring set designed for GE units that use HHRING / WS03X10054 (some manuals call it HDRING). The 3-pack covers GXWH30C, GXWH35F, GNWH38F, GNWH38S, and GXWH40L housings, helping you restore a reliable seal after routine maintenance or part wear.

Material and certification: Molded from NSF 61 certified Buna-N rubber, these O-rings resist water exposure and maintain elasticity over time. They are an OEM-spec replacement, manufactured in the USA by Captain O-Ring LLC, and backed by a warranty.

What you get and why it matters

• Part Number: HHRING / WS03X10054 (some GE manuals show it as HDRING)
• Compatibility: GE GXWH30C, GXWH35F, GNWH38F, GNWH38S, GXWH40L housings
• Dimensions: 5.5” Inside Diameter, 5.83” Outside Diameter, 0.165” Inside Diameter
• Availability: 3-pack and 6-pack options for ongoing maintenance
• Material: OEM-spec Buna-N rubber for long-lasting performance
• Certification: NSF 61 certified for safe contact with drinking water
• Origin: USA-assembled and warrantied by Captain O-Ring LLC

Practical use and installation guidance

The Buna-N compound offers a balanced blend of flexibility and durability suitable for residential water systems. When seated correctly, the O-rings can contribute to a snug seal and smooth operation of the filter housing as water flows through the system. While results can vary, customers commonly notice fewer drips after replacement and reduced maintenance downtime.

• Verify the part number and confirm the groove size on your housing.
• Clean the groove and inspect for wear before installing the new O-ring.
• Gently seat the O-ring in the groove and hand-tighten the housing—avoid overtightening.
• Test with water and check for leaks after reassembly.

Customer assurance: This product is manufactured by Captain O-Ring LLC, assembled in the USA, and backed by a warranty. It aims to be an exact OEM-spec match for the original seal in your GE filter housing and is NSF 61 certified for use with drinking water systems.