Product Description
Dorman 550-017 Concave Steel Cup Expansion Plug 1-1/4 In.
The Dorman 550-017 is a concave steel cup expansion plug designed to seal core holes and openings in engine blocks and cylinder heads. This heavy-duty plug provides a reliable, permanent seal for cast iron and aluminum engine components in heavy-duty truck and automotive applications.
Key Features
- Concave steel cup design for secure seating and positive engagement
- 1-1/4 in. diameter for standard engine block core hole applications
- Durable steel construction engineered to withstand engine operating pressures
- TECHoice quality assurance—meets or exceeds OEM specifications
Specifications
| Brand | Dorman |
| Part Number | 550-017 |
| Weight | 7.67 lb |
| Dimensions (L × W × H) | 5.0 × 3.0 × 5.0 in |
| UPC | 00019495550174 |
| Material | Steel |
| Diameter | 1-1/4 in. |
| Height | 1.248 in. |
Cross References
| GENERAL MOTORS CORPORATION | 1489745 |
| CLEVITE ENGINE PARTS | 219-1011 |
| CLJB | 1489745 |
| DTJQ | EP-11 |
⚠️ 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.