8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
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Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Spark Plug - Double Iridium Finewire

Spark Plug - Double Iridium Finewire

Part #: BSH 9686
Line: Bosch

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Features & Benefits

Warranty: Standard : Covered: Throughout the vehicle manufacturer's recommended change interval


Bosch OE Fine Wire Iridium. All iridium plugs are NOTcreated equal. Give your customers the only one engineered for both high performance and long life. The ultra fine wire design and laser welded, tapered ground electrode deliver the ultimate in ignitability and high performance. The iridium center electrode and laser welded Iridium ground electrode help it to go the distance.

  • Double iridium- Iridium on the ground and center electrodes for longer life and increased performance
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • 360 degree continuous laser welding increases durability for increased life


Ground Electrode Quantity 1
Approximate Resistor Value 6
Manufacturer Part Number 9686
Spark Plug Reach 26.5
VMRS Code 033003005
Spark Plug Seat Type Flat
Quality Level Better
Brand Bosch
Spark Plug Thread Size 12 mm
Insulator Material Ceramic
Ground Electrode Tip Material Nickel-Yttrium and Platinum
Spark Plug Hex Size 16
Resistor Yes

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