NGK 4122 BR7HS Spark Plugs, Box of 4

NGK 4122 BR7HS Spark Plugs, Box of 4. Ignition parts are routine maintenance and among the easiest ways to restore smooth running. Part number: 4122..

Specifications

• Brand: NGK
• Part type: Ignition part
• Part number: 4122.

Fitment

This listing does not name specific vehicles. Match the part number and the specifications with the part you are replacing.

What it does

Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy. Electrical faults often show up as warning lights, rough running or no-start problems, and the right replacement part clears the cause rather than the symptom.

Installation & tips

• Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.
• Plug wires or boots: Old wires and boots crack.
• Put the new part next to the old one and compare the shape, mounting points and connections before you install it.
• Disconnect the battery before you unplug or splice any wiring, and test everything works before you refit trim panels.

FAQ

What is the part number of this ignition part?
4122. (NGK). Compare it with the number on your old part or in your parts catalog.

Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.

What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.

Before you order

• Compare part number 4122. with your original part.