Sub-Zero 7020557 Right-Hand Freezer Basket Slide Assembly – OEM

The Sub-Zero 7020557 is a genuine OEM right-hand freezer basket slide assembly designed for 500 and early 600 Series built-in refrigeration units.
This slide assembly allows smooth extension and secure support of the freezer basket. Over time, slides may wear due to heavy load cycles, leading to:

• Sticking or resistance during pull-out
• Basket misalignment
• Uneven extension
• Excessive play or instability

Replacing worn slides restores factory glide performance and proper basket alignment.
Manufactured to Sub-Zero specifications, this assembly ensures:

• Correct rail length and mounting geometry
• Proper weight support
• Smooth extension travel
• Long-term durability

⚠️ CRITICAL SERIAL NUMBER NOTICE
Several 600 Series models have a serial break at #1810000.
For models 632, 642, 680, and 690:
601F – Use Regardless of Serial Number
601F-2 – Use Regardless of Serial Number
661-2 – Use Regardless of Serial Number
632 –
• Use Prior to Serial #1810000
• Starting With Serial #1810000 → See Part #7020561
642 –
• Use Prior to Serial #1810000
• Starting With Serial #1810000 → See Part #7020561
680 –
• Use Prior to Serial #1810000
• Starting With Serial #1810000 → See Part #7020561
690 –
• Use Prior to Serial #1810000
• Starting With Serial #1810000 → See Part #7020561
Installing the incorrect revision may result in improper alignment or mounting failure.
⚠️ If you are uncertain about compatibility with your model, please provide your unit’s serial number for verification.
We strongly recommend serial confirmation before ordering.