Bosch Spark Plug P/N:8101

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$24.99
MPN: 8101
Item Package Quantity: 1
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Bosch Spark Plug P/N:8101
Bosch Spark Plug P/N:8101
$24.99

Keep every cylinder firing cleanly and stretch the interval between plug changes with the Bosch OE Fine Wire Double Platinum Spark Plug (MPN 8101). It fits a broad range of applications including the 1981 Ford Escort (L4-1.6L), the 1994-2001 Acura Integra (L4-1.8L), the 1990-1992 Chevrolet Corvette (V8-5.7L), and the 1997-2000 Infiniti QX4 (V6-3.3L) — 188 applications in all; see the Buyer's Guide tab for the complete list.

  • Double platinum design: a platinum firing pin on the center electrode plus a laser-welded platinum inlay ground electrode reduce gap erosion for 3 times longer life than conventional copper plugs.
  • OE Fine Wire design: requires up to 24% less voltage to ignite.
  • 360° continuous laser welding: increases durability for longer life.
  • Copper core: provides a broader heat range to help resist pre-ignition and fouling.
  • Pre-gapped, nickel-plated threads: allow quick installation without adjusting the gap or applying anti-seize.

This is a resistor plug with a flat seat, 16 mm hex, 19 mm reach, a 1.1 mm pre-gap, a ceramic insulator, and Manufacturer Heat Range 7. Sold individually (package quantity 1); minimum order quantity is 4. Plugs per engine varies by application (commonly 4, 5, 6, or 8). Country of origin: Germany. Manufacturer part number 8101.

Frequently Asked Questions

What is the Bosch 8101 spark plug?

It's a Bosch OE Fine Wire Double Platinum resistor spark plug with a platinum center-electrode firing pin and a laser-welded platinum inlay ground electrode, built to OE specifications for double platinum plugs.

Is this spark plug pre-gapped?

Yes. It ships pre-gapped at 1.1 mm with nickel-plated threads, so it can be installed quickly without adjusting the gap or applying anti-seize.

How many plugs do I need for my vehicle?

It's sold individually (package quantity 1), with a minimum order quantity of 4. The number per engine varies by application — commonly 4, 5, 6, or 8. Check the Buyer's Guide tab for your vehicle.

Does this plug have a resistor?

Yes, it is a resistor spark plug (listed resistance 6000 ohm), which helps suppress radio-frequency interference.

What are signs my spark plugs may need replacing?

Rough idle, misfires, hard starting, hesitation, or reduced fuel economy can be signs plugs may need replacing. Diagnose the cause first, since these symptoms can have other sources.