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OE Quality
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BoschPart #: 9778
Bosch 9778 Spark Plug - Exhaust Side
18 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.
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Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
OE Fine Wire Iridium, Exhaust Side
Fitment: Chrysler, Dodge, Jeep, and Ram, 1500, Aspen, Commander, Dakota, Durango, Grand Cherokee, and Ram 1500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
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Bosch 9778 Spark Plug - Exhaust Side
| Brand | Bosch |
|---|---|
| Part Number | 9778 |
| Position | OE Fine Wire Iridium, Exhaust Side |
| Resistance | 5000 |
| 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 | Iridium |
| Pre-Gap Size | 1.25 |
| Ground Electrode Quantity | 1 |
| Hex Size | 16 |
| Manufacturer Heat Range | 8 |
| Seat Type | Flat |
| Reach | 26.5 |
| 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) | 0.105822 lb |
| Insulator Type | Projected |
| Outdoor Power Equipment Application | No |
| Package Contents | Spark plug |
| Package Quantity | 1 |
| Product Length | 3.393701 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 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2013 | Ram | 1500 | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2012 | Ram | 1500 | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2011 | Ram | 1500 | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2011 | Ram | Dakota | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2010 | Dodge | Dakota | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2010 | Dodge | Ram 1500 | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2009 | Chrysler | Aspen | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2009 | Dodge | Dakota | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2009 | Dodge | Durango | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2009 | Dodge | Ram 1500 | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2009 | Jeep | Commander | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2009 | Jeep | Grand Cherokee | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2008 | Chrysler | Aspen | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2008 | Dodge | Dakota | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2008 | Dodge | Durango | 4.7L | V8 | FLEX | Exhaust Side | OE Fine Wire Iridium |
| 2008 | Dodge | Ram 1500 | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2008 | Jeep | Commander | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium | |
| 2008 | Jeep | Grand Cherokee | 4.7L | V8 | Exhaust Side | OE Fine Wire Iridium |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.