Product Description
Dorman 550-030 Concave Steel Cup Expansion Plug 2-1/8 In.
The Dorman 550-030 is a concave steel cup expansion plug designed to seal core holes and casting voids in engine blocks and cylinder heads. This heavy-duty plug provides a reliable, permanent seal for freeze plug applications in diesel and gasoline engines.
Key Features
- Concave steel cup design for secure seating and positive retention
- 2-1/8 in. diameter for standard engine block applications
- 2.120 in. height for proper flush or slightly recessed installation
- Meets or exceeds OEM specifications for freeze plug replacement
Specifications
| Brand | Dorman |
| Part Number | 550-030 |
| Weight | 27.2 lb |
| Dimensions (L × W × H) | 5.0 × 3.0 × 5.0 in |
| UPC | 00019495550303 |
| Material | Steel |
| Diameter | 2-1/8 in. |
| Height | 2.120 in. |
Cross References
| CHRYSLER -PLYMOUTH | 1852177 |
| CLEVITE ENGINE PARTS | 219-1044 |
| BWRV | 1852177 |
| DTJQ | EP-44 |
⚠️ Prop 65 Warning
WARNING: This product can expose you to lead, nickel, and other chemicals, which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.