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OE Quality
60-Day Returns
BoschPart #: 9781
Bosch 9781 Spark Plug
14 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
OE Fine Wire Iridium
Fitment: Mitsubishi, Mirage and Mirage G4
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Spark Plug options
Bosch 9781 Spark Plug
| Brand | Bosch |
|---|---|
| Part Number | 9781 |
| Position | OE Fine Wire Iridium |
| Resistance | 6000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | J-gap |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Pre-Gap Size | 1.1 |
| Ground Electrode Quantity | 1 |
| Hex Size | 16 |
| Manufacturer Heat Range | 7 |
| Seat Type | Flat |
| Reach | 26.5 |
| Insulator Material | Ceramic |
| Resistor Type | Yes |
| Ground Electrode Tip Material | Nickel |
| Hex Type | Hex |
| Center Electrode Design | Fine wire |
| 9746 | No |
| Automotive Item Weight (lbs) | 0.105822 lb |
| Insulator Type | Projected |
| Outdoor Power Equipment Application | No |
| Package Contents | Spark plug |
| Package Quantity | 1 |
| Product Length | 3.346457 in |
| Product Width | 0.748031 in |
| Resistor | Yes |
| Short Style | No |
| Spark Plug Type | 4-cycle |
| Thread Diameter (Spark Plug) | 14 mm |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2024 | Mitsubishi | Mirage G4 | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2023 | Mitsubishi | Mirage G4 | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2022 | Mitsubishi | Mirage G4 | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2021 | Mitsubishi | Mirage G4 | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2020 | Mitsubishi | Mirage | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2020 | Mitsubishi | Mirage G4 | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2019 | Mitsubishi | Mirage | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2019 | Mitsubishi | Mirage G4 | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2018 | Mitsubishi | Mirage | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2018 | Mitsubishi | Mirage G4 | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2017 | Mitsubishi | Mirage | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2017 | Mitsubishi | Mirage G4 | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2015 | Mitsubishi | Mirage | 1.2L | L3 | N/A | OE Fine Wire Iridium |
| 2014 | Mitsubishi | Mirage | 1.2L | L3 | N/A | OE Fine Wire Iridium |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.