Verified bobbin record
Reliable 4500CW Bobbin
REL33T1-027 large bobbin
Reliable specifies the large REL33T1-027 bobbin for the 4500CW.
Compatible machines in the catalog
This table is limited to the verified records published by SewFitGuide. Follow the official source for the manufacturer's full current list.
| Machine | Relationship | Status | Scope note |
|---|---|---|---|
| Reliable 4500CW | Officially compatible | CONFIRMED | United States |
Part numbers and identifiers
| Number | Brand | Type |
|---|---|---|
REL33T1-027 | Reliable | OEM bobbin part number |
Identification and exceptions
Reliable identifies this exact bobbin part number in its 4500CW support FAQ.
Sources
- 4500CW Frequently Asked QuestionsReliable Corporation · Official support FAQ · Tier 1
Last checked: August 2026. See how SewFitGuide verifies compatibility.