OEM Goodman Liquid Line Cap w/ O-Ring for WGHP4436AAE — B9102097

The Goodman B9102097 Liquid Line Cap with O-Ring is the genuine OEM sealing cap for the service/charging port on WGHP4436AAE systems. This cap is the secondary seal that backs up the Schrader valve, keeping refrigerant in and contaminants out at the liquid line port. The captive O-ring provides a positive metal-to-rubber seal that a bare cap cannot match, which is why caps should always be replaced with their O-rings whenever a port is serviced.

Specifications

• OEM Part Number: B9102097
• Type: Liquid line service/sealing cap
• Includes: Integrated O-ring
• Compatible Model: WGHP4436AAE
• Brand: Goodman
• Function: Secondary refrigerant seal at service port

OEM vs. Generic

Genuine Goodman caps are machined to the exact thread pitch and O-ring durometer the port requires. Off-brand caps frequently use the wrong thread, an undersized O-ring, or a low-grade seal that hardens and leaks over a season or two — a slow refrigerant leak that's expensive to diagnose. At this price, OEM is inexpensive insurance against an avoidable callback.

Install Difficulty

Easy — DIY friendly. Simply thread the new cap onto the service port and snug it by hand plus a quarter turn with a wrench. No refrigerant recovery is required to replace the cap itself, though the system must hold proper charge.