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Customer Questions and Answers for Oven Door Gasket (30-In) by Bosch

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Manufacturer Part
4.89 (64)
By: Bosch
Part Number: OEM8509638
Manufacturer Part Number: 00486767

The oven door gasket is the heat-resistant seal around the 30-inch oven cavity. It helps the oven reach and hold temperature, preventing heat and steam leaks, and replaces a worn or damaged seal for consistent baking results.

  • Seals the door-to-cavity gap to limit heat and moisture loss
  • Restores proper door compression to help maintain accurate temperatures and normal preheat times
  • Replaces gaskets that are torn, frayed, flattened, brittle, or stretched
  • Common symptoms: hot air or steam escaping at door edges, temperature fluctuations, longer cook times, or a door that no longer closes snugly
What's included: 1 oven door gasket Installation notes:
  • Disconnect power and allow the oven to cool completely before servicing
  • Open the door and remove the old gasket, noting seam orientation and where the ends seat
  • Clean the mating surfaces; install the new gasket with the seam at the bottom center, seating the ends fully into the factory holes/retainers without overstretching
  • Close the door and check for uniform contact around the perimeter

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Questions & Answers

For Bosch Oven Door Gasket (30-In) (Part Number: OEM8509638)

1 Answer

Tammy, The gasket has tabs that press into the door liner. No adhesive is needed.

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1 Answer

Kel, Use the video we have on our parts page for the part number AP2836543 for an easy install.

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2 Answers

Mr. C, Thanks for the question!!! The gasket you will need is 318053120. You are missing a letter from the end of your model be sure to include this in the future as it could make a difference in getting the correct information.

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1 Answer

Rebecca, Unfortunately we do not have the length of this oven door gasket but if you have a 30 inch oven then this should be the correct part needed.

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Jeff for Model Number Thermador C301US single wall oven

My C301US Thermador single wall oven door does not close tight. The hinge is a Nuova Star, but does not have a model number stamped on it. You do not list the C301US in the compatibility section of AP3196146, though visually it looks the same. Can you hopefully provide me the correct hinge to order. The hinge is wedged into the door in the rear with a single screw holding it in the front, so once the door was off, I had to release the hinge lock to remove it. When I install the new hinges, they will need to be unlocked to put into the door, then locked to replace the door into the oven. Once the door is assembled, what procedure would you use to lock the hinges? Once this is done, how would I know if the door gasket should also get replaced (it is not visibly damaged)? Thanks, Jeff

1 Answer

Jeff, The part number for the door hinge is 00487746. When you get this installed your will want to use a towel and wrap the long part of the hinge and pull down on it so that you can get it locked. It will take some effort to get it. As for the door seal as long as it is not hard and still has play to it then it would be good. If it is hard then would recommend replacement.

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1 Answer

Hello Gabriel, The door gasket 00486767 you were viewing is the correct one for the model number you listed. The door hinges are 00487746 the same for the right and the left so you will need two of the same part number. You can order them online by adding the part to the cart and following the prompts or you can call us at 1-877-477-7278 and one of our representatives will be happy to place the order for you. We are open 24 hours a day, 7 days a week.

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