IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman B1392139 View Port Bushing is the genuine OEM sight-glass grommet that seals the inspection port on your VMES800603AXAA gas furnace. It holds the view-port lens in place and maintains the combustion-chamber seal so you can safely observe the burner flame during operation and diagnostics.
This is a factory-original Goodman component built to the exact tolerances and heat rating of the furnace it seals. Generic bushings often use lower-grade rubber that hardens and cracks under repeated heat cycling, breaking the combustion seal. Choosing OEM guarantees a leak-free fit and preserves your equipment warranty.
Easy (1/5). Press-fit replacement with no tools required — power down the furnace, pop out the old bushing, and seat the new one. Most homeowners complete this in under five minutes.