Product Description
Dorman 550-034 Concave Steel Cup Expansion Plug, 3 In.
The Dorman 550-034 is a concave steel cup expansion plug designed to seal engine block openings and coolant passages in heavy-duty applications. This 3-inch plug provides a reliable, cost-effective solution for engine block repair and maintenance across a wide range of truck and automotive engines.
Key Features
- Concave steel cup design for secure sealing in engine block cavities
- 3-inch diameter fits standard engine block openings
- Durable steel construction withstands engine operating pressures and temperatures
- OEM-quality replacement part meets or exceeds original equipment specifications
Specifications
| Brand | Dorman |
| Part Number | 550-034 |
| Weight | 2.82 lb |
| Dimensions (L × W × H) | 5.0 × 3.0 × 5.0 in |
| UPC | 00019495550341 |
| Material | Steel |
| Diameter | 3 in |
⚠️ 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.