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Bosch 8188 Spark Plug
| Brand | Bosch 8188 |
|---|---|
| Resistance | 6000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | J-gap |
| Ground Electrode Core Material | Copper |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Platinum |
| Pre-Gap Size | .7 |
| Ground Electrode Quantity | 1 |
| Hex Size | 16 |
| Manufacturer Heat Range | 6 |
| Seat Type | Flat |
| Reach | 19 |
| Insulator Material | Ceramic |
| Resistor Type | Yes |
| Ground Electrode Tip Material | Platinum |
| Hex Type | Hex |
| Center Electrode Design | Fine wire |
| 9746 | No |
| Automotive Item Weight (lbs) | 0.092594 lb |
| Insulator Type | Non-projected |
| Outdoor Power Equipment Application | No |
| Package Contents | Spark plug |
| Package Quantity | 1 |
| Product Length | 2.996063 in |
| Product Width | 0.748031 in |
| Resistor | Yes |
| Short Style | No |
| Spark Plug Type | 4-cycle |
| Thread Diameter (Spark Plug) | 14 mm |
| Product line | OE Fine Wire Double Platinum |
| Fits | Mitsubishi · 4 vehicles |
OE fine wire double platinum. Meets original equipment specs for dependable performance and long service life.
Platinum firing surfaces. Helps reduce gap erosion for lasting durability and consistent performance.
Fine wire center electrode. Promotes efficient ignition for smooth, reliable spark plug operation.
Bosch OE Fine Wire Double Platinum Spark Plug 8188
Bosch 8188 is an OE Fine Wire Double Platinum spark plug built for consistent ignition performance and extended service life. It is a direct-fit option for 2003-2006 Mitsubishi Montero applications listed below, with OE-style construction that supports stable firing and reduced electrode wear.
Key Features
- Fine wire center electrode with platinum tip for precise spark delivery
- Platinum ground electrode inlay to reduce gap erosion over time
- Resistor design with 6000 resistance for ignition system compatibility
- 14 mm thread diameter, 19 mm reach, and flat seat design
- Ceramic insulator and non-removable nut terminal
- Heat range 6 with pre-gap size of .7
- Compatible with 2003-2006 Mitsubishi Montero, N/A
Product Details
The Bosch OE Fine Wire Double Platinum line is engineered around OE spark plug specifications, using platinum on both the center and ground electrode contact points. That construction helps limit gap growth and supports long-term performance in daily driving and maintenance intervals. Bosch 8188 is a practical choice for Mitsubishi Montero owners looking for an OE-style double platinum spark plug with the correct dimensions and resistor configuration.
This part cross-references Bosch 8188 for the same application.
Common Issues This Spark Plug Can Address
- Hard starting caused by worn spark plug electrodes
- Rough idle from inconsistent spark output
- Misfire concerns related to excessive gap wear
- Reduced ignition efficiency from aged plugs
- Maintenance replacement for OE-style ignition service
Installation Notes and Tips
Verify the thread diameter, reach, seat type, and heat range before installation. Use the specified gap setting for the application and inspect ignition components for wear or contamination while servicing the plugs. For 2003-2006 Mitsubishi Montero models, confirm the engine-specific service requirements in the vehicle manual before installation.
Quality Assurance
Bosch designs this spark plug to meet Original Equipment specifications for double platinum applications, with platinum materials used to improve durability and maintain performance over time.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2006 | Mitsubishi | Montero | 3.8L | V6 | OE Fine Wire Double Platinum |
| 2005 | Mitsubishi | Montero | 3.8L | V6 | OE Fine Wire Double Platinum |
| 2004 | Mitsubishi | Montero | 3.8L | V6 | OE Fine Wire Double Platinum |
| 2003 | Mitsubishi | Montero | 3.8L | V6 | OE Fine Wire Double Platinum |
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