Bosch 7606 Spark Plug

Brand Bosch 7606
Resistance 0
Ground Electrode Tip Design Standard
Ground Configuration J-gap
Ground Electrode Core Material Nickel
Electrical Terminal Type Removable nut
Center Electrode Core Material Copper
Center Electrode Tip Material Nickel
Pre-Gap Size .8
Ground Electrode Quantity 1
Hex Size 20.8
Manufacturer Heat Range 8
Seat Type Flat
Reach 19
Insulator Material Ceramic
Resistor Type No
Ground Electrode Tip Material Nickel
Hex Type Hex
Center Electrode Design Standard
9746 No
Automotive Item Weight (lbs) 0.123459 lb
Insulator Type Non-projected
Outdoor Power Equipment Application No
Package Contents Spark plug
Package Quantity 1
Product Length 3.169291 in
Product Width 0.937008 in
Resistor No
Short Style No
Spark Plug Type 4-cycle
Thread Diameter (Spark Plug) 14 mm
Fits 2 vehicles

OE-spec design. Meets or exceeds original equipment requirements for nickel-copper core spark plugs.

Nickel-copper construction. Yttrium-enhanced center electrode with copper core helps extend service life.

Standard spark plug. Conventional 4-cycle design with a flat seat and J-gap configuration.

$13.20Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $13.20
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Free returns within 60 days if it doesn't fit when fitment is verified.

Bosch Nickel Spark Plug 7606 Overview

Bosch 7606 is a conventional nickel-copper spark plug built for steady ignition performance and value. It uses a heavy-duty yttrium-enhanced nickel center electrode with a copper core to support longer service life than a basic copper-core design. This Bosch Nickel spark plug is engineered to meet or exceed original equipment specifications for nickel-copper core spark plugs.

Key Features

  • Conventional Bosch spark plug design for secondary ignition systems
  • Nickel center electrode tip with copper core for durable spark delivery
  • Standard ground electrode with J-gap configuration
  • Non-resistor design with 0 resistance
  • 14 mm thread diameter, 19 mm reach, and flat seat construction
  • Ceramic insulator with non-projected tip style
  • Heat range 8 for applications requiring this specification
  • Removable nut terminal for common ignition wire connections

Detailed Description

The Bosch 7606 spark plug is a practical OE-style replacement for vehicles that call for a 14 mm, flat-seat, non-resistor plug with a 19 mm reach and 0.8 pre-gap. Its nickel ground and center electrode materials are paired with a copper core to help maintain consistent spark transfer under normal operating conditions. For drivers searching for Bosch 7606 spark plug, Bosch Nickel 7606, or a conventional nickel-copper spark plug for ignition service, this part is built around standard replacement specifications rather than specialty performance tuning.

For fitment-based searches, use this part when your vehicle calls for a Bosch 7606 spark plug or an equivalent nickel-copper OE replacement. It is a direct match for applications that specify the same thread diameter, seat type, heat range, and terminal style. If you are servicing a vehicle such as a Honda Civic or Toyota Corolla, confirm the engine’s spark plug specification against the required dimensions before installation.

Common Issues This Part Can Address

  • Hard starting caused by worn spark plug electrodes
  • Rough idle from inconsistent ignition firing
  • Misfire symptoms related to aged or fouled plugs
  • Reduced fuel economy from weak spark delivery
  • Maintenance replacement for plugs that no longer meet service interval requirements

Installation Notes and Tips

Verify the required thread diameter, reach, seat type, heat range, and terminal style before installing Bosch 7606. Check and adjust the gap only if the application calls for it, and handle the ceramic insulator carefully to avoid cracking. Clean the plug seat area and follow the vehicle manufacturer’s torque specification during installation. For Bosch 7606 applications on Honda Civic or Toyota Corolla models, confirm the exact engine code and ignition specification before service.

Quality Assurance

Bosch designs this Nickel line spark plug to meet or exceed original equipment specifications for nickel-copper core applications. The part number 7606 is built to the listed dimensional and material requirements for dependable ignition service.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1979BMW633CSi3.2LL6Nickel
1978BMW633CSi3.2LL6Nickel