Description
Description
Restore smooth and secure operation of your refrigerator door with the genuine OEM Door Hinge Part # 644839 (also referenced as 00644839). This hinge is built to factory specifications for select models from Bosch and Thermador, ensuring proper door alignment, stable sealing and reliable long-term performance.
Please check with your maintenance technician prior to ordering to verify that the part number matches your refrigerator’s model number and hinge location (left side, lower hinge). partsdr.com+2hnkparts.com+2
Features & Benefits
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✅ Factory-original quality hinge — Manufactured by Bosch to meet original equipment standards, ensuring proper fit and operation. Reliable Parts+1
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🔧 Maintains door alignment & seal — A correctly functioning hinge keeps the door flush, avoids gaps in the seal, and prevents air leakage or excess frost.
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🛠 Direct replacement part — Swaps in place of the worn, bent or damaged hinge, reducing risk of door sag or uneven closing. unlimitedapplianceparts.com
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✔️ Improves longevity & performance — A strong hinge helps ensure the refrigerator door maintains correct operation and protects the internal components from stress.
Common Symptoms That Indicate Replacement
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The refrigerator door sags, droops or does not close flush when shut.
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The door envelope shows visible gap or misalignment at the seal.
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You hear a creak or odd noise when opening the door, suggesting hinge wear or damage.
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Visual inspection shows the hinge is bent, cracked, worn or part number 644839 is displayed or referenced on the old part. unlimitedapplianceparts.com+1
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The door alignment cannot be corrected with adjustment alone because the hinge shear or mounting is compromised.
Compatible Refrigerator Models (Partial List)
(Always verify your exact appliance model number and diagram before ordering.)
This hinge fits many Bosch and Thermador models that list part number 00644839 or 644839 (lower left door hinge). partselect.com+1
Examples include: Bosch B30IF70NSP, B30IR800SP, Thermador T30BR70FSE. Reliable Parts
Note: Compatibility may vary by door configuration, hinge placement (upper vs lower), and model year—always confirm with your technician.
Cross Reference / Alternate Part Numbers
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OEM reference: 00644839 partselect.com
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Also replaces/compatible with: 641497, 449124, 0644984 (various older numbers) according to listings. partsdr.com
Compatibility Notes
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Make sure your existing hinge is labelled 644839 (or a cross reference) and is the lower left door hinge (assuming left-hinged refrigerator door).
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Compare the mounting holes, hinge orientation and door model to ensure fit.
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Remove door contents and support the door when replacing hinges to avoid damage or injury.
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Because door hinge problems can lead to poor sealing and energy wastage, it’s advisable to check with your maintenance technician prior to ordering to ensure this is the correct fix and to avoid returns.