Mazda Spark Plugs

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Keep Your Engine Performing Smoothly with Genuine Mazda Spark Plugs

When a Mazda runs well, it’s because every part is doing its job the right way. Spark plugs might seem small, but they play a key role in how the engine performs. They ignite the air-fuel mixture that powers your vehicle, ensuring smooth starts and strong acceleration. At Cox Mazda, we always recommend using genuine Mazda spark plugs for dependable performance that lasts.

Understand What Spark Plugs Do

The spark plug delivers the spark that ignites the fuel mixture in the combustion chamber. Each plug must fire with perfect timing and intensity to keep the engine running efficiently. Without properly working spark plugs, a vehicle can misfire, idle roughly, or experience poor fuel economy. Mazda designs its spark plugs to match each model’s specific engine requirements, ensuring clean combustion and consistent reliability for vehicles like the Mazda3 and CX-5.

Know Why Spark Plugs Wear Out

Over time, spark plugs can break down due to heat, carbon buildup, or worn electrodes. When that happens, starting the engine can take longer, and acceleration may feel weaker. Replacing worn plugs with genuine Mazda parts from Cox Mazda helps maintain performance and prevents unnecessary strain on other components like the ignition coil. While aftermarket plugs might be cheaper, they often fail to match Mazda’s quality standards and can shorten the lifespan of your ignition system.

Replace Them at the Right Time

Mazda recommends replacing spark plugs about every 30,000 to 60,000 miles, depending on the model and engine type. At Cox Mazda, we can help you find the right replacements to keep your car running as it should. Choosing genuine Mazda spark plugs means better ignition performance, smoother driving, and fewer unexpected repairs down the road. Your Mazda deserves the same precision and care that went into building it in the first place.

Spark Plug

Part Number: N3Y1-18-110
Mazda Mazda
Other Names: Spark Plug Trailing
Replaces: n3h118110a, n3h318110
Description: Trailing Side. Color-Blue.
MSRP $63.67
$45.06

Spark Plug

Part Number: F286-18-110
Mazda Mazda
Description: Cold Type. Vendor:nippon. Vendor #KJ20CR-11. To 02/1990.
MSRP $5.47
$4.00

Spark Plug

Part Number: P5SP-18-110
Mazda Mazda
Other Names: Plug Spark
Description: 2.5L.
MSRP $39.48
$28.43

Spark Plug

Part Number: AJTT-18-110
Mazda Mazda
Other Names: Spark Plug CP 12
Replaces: aj5718110, aj5718110a, ajh318110
Description: Without mazdaspeed6, 3.0L.
MSRP $6.20
$4.54

Spark Plug

Part Number: BP8J-18-110
Mazda Mazda
Description: Cold Type.
MSRP $34.27
$24.67

Spark Plug

Part Number: 0000-18-8914
Mazda Mazda
Other Names: Plug Spark
Replaces: 18920, 189200, 395318110, e56318110, e56418110
Description: Hot Type. Vendor:NGK. Vendor #bpr5es. Vendor:nippon. Vendor #w16exr-u.
MSRP $3.68
$2.70

Spark Plug

Part Number: L3YD-18-110
Mazda Mazda
Other Names: Plug Spark
Replaces: l3bd18110
Description: 2.3L.
MSRP $26.56
$19.13

Spark Plug

Part Number: GY01-18-110
Mazda Mazda
Other Names: Plug Spark
Replaces: gy0218110, zzm018110, zzm318110, zzm318110a, zzm318110b, zzm318110c, zzm618110
Description: 2002-06. 2.3 & 2.5L, 2.5L. 2000-01. Without mazdaspeed6, 3.0L.
MSRP $6.45
$4.72

Spark Plug Wire

Part Number: Z5A6-18-T51
Mazda Mazda
Other Names: Cord No.1 Hi.Tension
Description: Cylinder 1.
MSRP $23.84
$17.16

Spark Plug Wire

Part Number: N3H1-18-190A
Mazda Mazda
Other Names: Cord No.4 Hi.Tension
Replaces: n3h118190
Description: Rear Leading Plug.
MSRP $38.64
$27.82

Spark Plug Wire

Part Number: 1F29-18-150
Mazda Mazda
Other Names: Plug Wire
Description: Cylinder 3.
MSRP $8.34
$6.10

Spark Plug Wire

Part Number: FSD7-18-T51B
Mazda Mazda
Other Names: Cord Hi Tension
Description: Cylinder 1. From Chassis/VIN 216015.
$6.43

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