Parts Bench › Parts › 2018 Mazda CX-5 › Spark Plugs
2018 Mazda CX-5 Spark Plugs
Spark plugs ignite the air and fuel mixture in each cylinder of your 2018 Mazda CX-5. Worn plugs make the engine run less smoothly and use more fuel.
Compare spark plugs for your CX-5 in the appSigns it may need replacing
- Rough idle or hesitation
- Hard starting or misfires
- Worse fuel economy or a check-engine light for misfires
At a glance
| Part | Spark Plugs Ignition & Starting › Spark Plugs & Wires |
|---|---|
| Typical life | Copper plugs often need changing around 20,000 to 30,000 miles. Iridium or platinum plugs commonly last 60,000 to 100,000 miles. |
| DIY difficulty | Beginner to Intermediate On some engines the plugs sit under the intake or coil packs, which adds time. |
| Related service | Spark plugs: Every 60,000 miles Iridium or platinum plugs often go 100,000 miles. Check the manual. |
Lifespans and difficulty are general. They vary with the engine, trim, driving and climate, and your owner's manual and a qualified mechanic should have the final say.
Before you buy
Use the plug type and gap listed in your owner's manual, and replace the full set at once.
Confirm the part fits your exact 2018 Mazda CX-5 by checking your VIN, engine size and trim with the seller. The CX-5 was sold with different options across the 2018 model year, and a part that fits one build may not fit another.
Where to buy a 2018 Mazda CX-5 spark plugs
These searches are set up for your vehicle and the part.
Links to eBay and other stores are affiliate links. We may earn a commission if you buy, at no extra cost to you. Parts Bench is not a store and does not sell parts. Always confirm fitment with the seller before you buy.