Best OverallSpark Plugs
NGK BPR6ES Spark Plug
Model: BP6ES-SOLIDA nickel-electrode plug with a stated gap and thread size for cars and trucks. The listing is brief, so match the number to your engine.
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Best Overall
Spark Plugs
NGK (2707) BR9ECMIX Iridium IX Spark Plug, Pack of 1, One Size
A single iridium spark plug with a fine laser welded tip, sold by the plug rather than in a set. Order enough for every cylinder because only one comes in the pack.
Spark Plugs
NGK BR7EIX Iridium IX Spark Plug
An iridium spark plug aimed at performance engines, with a very long cross-reference list. Reach and heat range are not stated in the listing, so match the part number to your engine before buying.
Popular PickSpark Plugs
NGK 5534 Standard Spark Plug
Model: BPR7ESA traditional NGK copper-core resistor spark plug with a ceramic insulator and a sealed construction. Gap, reach and heat range are not listed beyond the model code, so confirm them against your engine.
Spark Plugs
NGK Spark Plug Stock # 2015
Model: BPR2ESA nickel-electrode spark plug that NGK describes for cars, marine and small engines, though the vehicle type field says motorcycle. Check which engine you are buying for.
Spark Plugs
NGK (3901) CPR7EA-9 Standard Spark Plug, Pack of 1
A copper-core standard plug listed for cars and trucks with a vehicle specific fit. Gap and reach are not given, so match the part number to your engine.
Spark Plugs
NGK (5531) DPR6EA-9 Standard Spark Plug, Pack of 1
A standard copper core plug sold one at a time, with a cross-reference list that leans toward motorcycle and marine makers. Thread size, reach and heat range are missing, so match the part number carefully.
Spark Plugs
NGK DR7EA Standard Spark Plug
Model: 7839A copper core standard plug with a very long cross-reference list covering car and motorcycle makers. Reach and heat range are not stated, so confirm the part number before buying.
Spark Plugs
ACCEL 8199 HP Copper Spark Plug
A copper-core shorty plug for tight spaces near headers. The listing is inconsistent: the fields say one plug for a motorcycle, while the text mentions a pack of eight.
Spark Plugs
ACCEL 0576S-4 Shorty Copper Core Spark Plug
A four pack of shorty copper core plugs for cramped spaces. Heat range and gap are not given.
Spark Plugs
ACCEL 8198 Performance U-Groove Header Spark Plug
A pack of shorty copper-core plugs made for engines with little room between the boots and the headers or manifolds. The listing gives no heat range or gap, so match those to your engine first.
Spark Plugs
NGK CR9EKB Standard Spark Plug
Model: 2305A standard copper-core spark plug with two ground electrodes, sold singly. The listing gives a thread size but no gap or reach, so check the application.
Spark Plugs
NGK (6500) CR6HSB Standard Spark Plug, Pack of 1
A single standard copper-core plug listed for UTV use with a universal fit. Thread size is given only as regular mouth, so check the application first.
Spark Plugs
ACCEL 0416S-4 Shorty Copper Core Spark Plug
A set of four shortened copper core plugs for tight engine bays and UTV use. The listing gives no heat range or gap.
Spark Plugs
NGK (2430) CR4HSA Standard Spark Plug, Pack of 1
A traditional resistor spark plug sold singly for cars and trucks. The listing gives no gap or reach, so confirm the part number.
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Frequently asked questions
What are the most popular spark plugs brands?
NGK lead this category among the 1 brands that passed our curation checks.
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A listing appears only when it has a recorded price, a minimum customer rating, and enough ratings or monthly sales. Generic and unbranded listings are left out, while every real brand stays, including brands sold only on Amazon. The ones that pass are ordered by how many people search for that brand and model each month; review counts only break ties.
About spark plugs
We list 15 spark plugs from 1 brand, including NGK.
How we list products: every listing here has a recorded price, a minimum customer rating and enough ratings or monthly sales. Generic and unbranded listings are left out; every real brand stays, including brands sold only on Amazon. Products are ordered by monthly searches for their brand and model on every page.Editorial policy