



Autolite 255 Copper Non-Resistor Automotive Replacement Spark Plugs (4 Pack)
Customize
Autolite 255 Copper Core spark plugs (4-pack) are replacement, vehicle-specific ignition parts engineered for reliable starting and consistent performance. These copper-core plugs feature a copper-glass seal bonding the insulator and terminal post center electrode to ensure full required voltage at the spark gap and provide a 100% leak-proof seal. Constructed with a cold-formed steel shell, precision rolled threads, and a one-piece terminal post for added strength, they reduce misfires via a multi-rib insulator and decrease radio frequency interference and electrode erosion with resistor design. The full copper core electrode enhances thermal conductivity for improved performance and fuel efficiency. Includes 4 spark plugs per unit. Manufacturer Part Number: 255-4PK. OEM Equivalent Part Number: 255. UPC/GTIN: 009100003720. Unit Count: 4.0 Count. Thread Size: 14mm. Core Material: Copper. Top Material Type: Alloy Steel. Compatible with vehicle types: Car, Truck. Lifetime Limited Warranty.
- MAXIMUM PERFORMANCE: Every Copper Spark Plug has a full copper core electrode which provides higher thermal conductivity for better performance in all conditions
- IMPROVED DURABILITY: All Autolite spark plugs are Leak proof and come with a heat fused internal seal for long lasting durability
- CONSTRUCTION: These replacement spark plugs have a copper-glass seal which bonds the insulator and the terminal post center electrode together
- FUEL EFFICIENCY: The Autolite copper automotive replacement spark plug are guaranteed to deliver quick starts, better fuel economy and smooth acceleration
- AUTOLITE ADVANTAGE: Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on our copper plugs for performance and value, backed by decades of experience and passion
Specifications:
| Materials & Construction | |
| Core Material | Copper |
| Top Material Type | Alloy Steel |
| Product Details | |
| Global Trade Identification Number | 00009100003720 |
| Included Components | 4 spark plugs |
| Item Type Name | Copper Non-Resistor Spark Plug |
| Manufacturer Part No | 255-4PK |
| Manufacturer Warranty Description | Lifetime Limited Warranty |
| Model Number | 255-4PK |
| OEM Equivalent Part Number | 255 |
| Unit Count | 4.0 Count |
| UPC | 009100003720 |
| Sizing & Dimensions | |
| Height | 0.80 inches |
| Length | 4.22 inches |
| Product Dimensions | 4.22 x 3.33 x 0.80 inches |
| Product Weight | 0.1100 pounds |
| Thread Size | 0.55 inches |
| Weight | 1.76 ounces |
| Width | 3.33 inches |
| Technical Specifications | |
| Automotive Fit Type | Vehicle Specific Fit |
| Compatible with Vehicle Type | Car, Truck |


