Product Description
Dorman Steel Cup Expansion Plug 1 In. | 555-091
The Dorman 555-091 is a steel cup expansion plug designed for 1-inch applications, engineered to seal core holes and casting voids in engine blocks and cylinder heads. This heavy-duty plug delivers reliable sealing performance in high-temperature engine environments.
Key Features
- Steel construction for durability and heat resistance
- 1-inch size for standard engine block applications
- Cup-style design for secure seating and positive sealing
- Meets or exceeds OEM specifications for engine block repair
Specifications
| Brand | Dorman |
| Part Number | 555-091 |
| Weight | 13.44 lb |
| Dimensions (L × W × H) | 5.0 × 3.0 × 5.0 in |
| UPC | 00019495555919 |
| Material | Steel |
| Size | 1 inch |
Cross References
| VOLKSWAGEN OF AMERICA, INC. | 0119191 |
| HYUNDAI MOTOR AMERICA, INC. | 1573225001 |
| RENAULT, REGIE NATIONALE DE USINES | 7703075015 |
| CHRYSLER -PLYMOUTH | 4094873 |
| GENERAL MOTORS CORPORATION | 94853548 |
| GENERAL MOTORS CORPORATION | 94024180 |
| MAZDA NORTH AMERICA, INC. | 993062500 |
| GENERAL MOTORS CORPORATION | 96061275 |
| BWRV | 4094873 |
| BWRV | T3075015 |
⚠️ 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.
