Bosch Spark Plug Spark Plug 9657
Electrode Core Material
Iridium
Electrode Tip Material
Platinum
Electrode Type
Fine Wire Center
Insulator Type
Ribbed
Quantity
Single
Reach
0.688 Inch
Seat Type
Tapered
Thread Size (IN)
0.551 Inch
Thread Size (MM)
14 Millimeter
Wrench Diameter
5/8 Inch
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Bosch Spark Plug Spark Plug
Spark Plug; OE Fine Wire Iridium; OE Replacement
MPN: 9657
You don’t have to choose between high performance and long life in your iridium spark plug. Bosch Iridium is engineered to deliver both. Bosch original equipment design, materials and processes represent the best of OE technology. The ultra fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and platinum ground electrode help it to go the distance. Unlock the performance in your engine with Bosch Iridium Spark Plugs.
Electrode Type: Fine Wire Center
Electrode Core Material: Iridium
Electrode Tip Material: Platinum
Insulator Type: Ribbed
Thread Size (IN): 0.551 Inch
Thread Size (MM): 14 Millimeter
Reach: 0.688 Inch
Seat Type: Tapered
Wrench Diameter: 5/8 Inch
Quantity: Single
Features
- 360 Degree Continuous Laser Welded Iridium Center Electrode Featuring Ultra Fine Wire Design
- Copper Core Ground Electrode. Large, Copper Core Center Electrode
- Tapered Ground Electrode With Laser-Welded, Iridium-Platinum Alloy Inlay
- Nickel-Plated Shell With Rolled Threads
- Ribbed Insulator Design
- Delivers Exceptional Ignitability And Performance. Provides Broader Heat Range To Resist Pre-Ignition And Fouling
- Reduces Flame Shrouding For Improved Combustion And More Power. Promotes Durability And Longest Life
- Provides Broader Heat Range To Resist Pre-Ignition. Provides Complete Anti-Seize And Corrosion Protection
- Prevents Misfires Due To Flash-Over. Gives You Miles Of Worry-Free Driving
- Limited 1 Year Warranty
Specifications of Bosch Spark Plug Spark Plug 9657 | |
Electrode Core Material | Iridium |
Electrode Tip Material | Platinum |
Electrode Type | Fine Wire Center |
Insulator Type | Ribbed |
Quantity | Single |
Reach | 0.688 Inch |
Seat Type | Tapered |
Thread Size (IN) | 0.551 Inch |
Thread Size (MM) | 14 Millimeter |
Wrench Diameter | 5/8 Inch |
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