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Denso 3048 Spark Plug
Overview of the Denso 3048 Spark Plug
The Denso 3048 spark plug is engineered for reliable ignition performance in select Dodge, Mitsubishi, and Plymouth vehicles. Designed with a U-groove ground electrode tip, this spark plug supports efficient combustion and consistent engine operation.
- U-groove ground electrode tip design for improved spark exposure
- Nickel ground and center electrode tips with copper core for durability and conductivity
- Standard ground configuration with a single ground electrode
- Flat seat type with 14.00 mm thread diameter and 19.00 mm reach
- Pre-gap size of 1.0 mm and manufacturer heat range of 20
- Hex size of 20.6 mm for installation compatibility
- Resistance rating of 5000 ohms to reduce electrical interference
Detailed Product Description
The Denso 3048 spark plug belongs to the U-Groove Conventional product line, which features a unique U-groove ground electrode tip design. This design increases the spark exposure area, promoting better ignition and combustion efficiency. The spark plug’s center electrode is constructed with a copper core for excellent thermal conductivity, while the nickel tip enhances wear resistance. The ground electrode also uses nickel material, ensuring durability under high-temperature conditions. With a flat seat and a thread diameter of 14.00 mm, this spark plug is engineered to fit specific engine configurations precisely.
Compatible Vehicles and Applications
This spark plug is compatible with various models from Dodge, Mitsubishi, and Plymouth, including the Dodge Colt, Mitsubishi Conquest, and Plymouth Starion. The Denso 3048 is designed to meet the ignition requirements of these vehicles, ensuring proper fitment and performance.
- Improves ignition reliability in Dodge Colt, Mitsubishi Conquest, and Plymouth Starion
- Helps reduce misfires and rough idling
- Supports consistent engine starting and acceleration
- Maintains optimal combustion efficiency
- Reduces electrical interference with 5000 ohm resistance
Installation Notes and Tips
When installing the Denso 3048 spark plug, ensure the pre-gap size of 1.0 mm is maintained for optimal spark performance. Use a 20.6 mm hex socket for proper tightening torque. The flat seat design requires careful seating to avoid leaks or misalignment. Always verify thread engagement and avoid cross-threading during installation. It is recommended to replace spark plugs in sets to maintain balanced engine performance.
Quality Assurance and Warranty
Denso manufactures the 3048 spark plug to meet strict quality standards, using high-grade materials such as copper and nickel for electrode construction. The product undergoes rigorous testing to ensure durability and consistent performance. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.
| Brand | Denso |
|---|---|
| Part Number | 3048 |
| Position | U-Groove Conventional |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | U-Groove |
| Hex Size | 20.6 |
| Manufacturer Heat Range | 20 |
| Pre-Gap Size | 1.0 |
| Reach | 19.00 |
| Resistance | 5000 |
| Seat Type | Flat |
| Thread Diameter | 14.00 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1986 | Dodge | Conquest | N/A | U-Groove Conventional |
| 1986 | Plymouth | Conquest | N/A | U-Groove Conventional |
| 1985 | Dodge | Conquest | N/A | U-Groove Conventional |
| 1985 | Plymouth | Conquest | N/A | U-Groove Conventional |
| 1984 | Dodge | Conquest | N/A | U-Groove Conventional |
| 1984 | Mitsubishi | Starion | N/A | U-Groove Conventional |
| 1984 | Plymouth | Conquest | N/A | U-Groove Conventional |
| 1980 | Dodge | Colt | N/A | U-Groove Conventional |
| 1979 | Dodge | Colt | N/A | U-Groove Conventional |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.