Spark Plugs for 2019 Kia Optima
96 matching spark plugs from $2.88 to $15.28, all confirmed to fit your 2019 Kia Optima.
Spark Plug-Copper Plus Champion Spark Plug 445
$2.88
+ $12.00 shipping
Spark Plug NGK 93175 (1 Spark Plug Only)
$4.00
Shipping varies
Autolite Iridium XP Automotive Replacement Spark Plug XP5702
$5.94
+ $5.95 shipping
Spark Plug-Copper Plus Champion Spark Plug 445 (Quantity of 1)
$7.07
Free shipping
For BMW M3 Hyundai Accent Isuzu Axiom Kia Optima Mitsubishi Nickel Spark Plug
$8.20
Free shipping
For 2011-21 Kia Optima Hyundai Veloster OE Germany Nickel Copper Core Spark Plug
$8.20
Free shipping
Iridium Spark Plug DENSO 5356
$8.50
Free shipping
Spark Plug-Iridium Ultra Autolite AI5702
$8.99
Free shipping
Standard NGK Spark Plug-Ruthenium HX High Ignitability 96358 (LLR7AHX-S)
$9.00
Shipping varies
Spark Plug-Copper Plus Champion Spark Plug 445
$9.61
Free shipping
Autolite Spark Plug 2592 Autolite. Big Block Chevy and Hemi. Free Shipping
$9.75
Free shipping
Spark Plug-GAS DENSO FXU16HR11
$10.00
Shipping varies
Champion Copper Plus 445 Spark Plug for XP5701DP2 XP5701 RER8MC 18854-09080 tn
$10.14
Free shipping
For Hyundai Elantra Kia Soul YR6NI332S OE Germany Double Iridium Spark Plug
$10.20
Free shipping
Spark Plug Skyward Automotive SP1032
$10.25
Free shipping
Spark Plug-Iridium IX NGK 93175
$10.33
Free shipping
E3 E3.80 Gasket Seat DiamondFire Spark Plug for Select Import Kia/Hyundai 14mm
$10.34
Free shipping
Autolite APP5702 Double Platinum Spark Plug
$10.38
Free shipping
BOSCH Double Iridium Spark Plug For Hyundai Elantra Kia Soul 96334 YR6NI332S
$10.40
Free shipping
For Mercedes-Benz B200 C250 C300 CL550 7424 YR7MPP33 OE Platinum Spark Plug
$10.40
Free shipping
Spark Plug-GAS DENSO 5356
$10.59
Free shipping
Spark Plug-Iridium Ultra Autolite AI5702
$10.95
Free shipping
Genuine 2015-2018 Hyundai Santa Fe Sport Spark Plug 18849-11070
$11.00
Free shipping
Spark Plug-Iridium Ultra Autolite AI5702 (V1DE1)
$11.00
Free shipping
14mm Swivel Spark Plug Socket Removal Tool Thin Wall Magnetic 3/8 Drive 12-Point
$11.03
Free shipping
Spark Plug Autolite APP5702
$11.10
Free shipping
Spark Plug-Iridium Champion Spark Plug 9409 (Quantity of 1)
$11.24
Free shipping
2011-2023 HYUNDAI ELANTRA/SONATA SPARK PLUG HOLE PIPE TUBE NEW OEM 22135 2E000
$11.33
Free shipping
E3 Spark Plug E3.80; DiamondFire Automotive 12mm Gasket-Seat Resistor
$11.77
Free shipping
Spark Plug Autolite APP5702
$11.81
Free shipping
Autolite Double Platinum Spark Plug Autolite APP5702
$11.87
Free shipping
Denso 3501 Iridium Spark Plug Hyundai Sonata 2014-2015 - ZXU22HCR8
$11.99
Free shipping
Genuine 2012-2019 Kia Rio Spark Plug 18846-10060
$12.00
Free shipping
Spark Plug-Copper Plus Champion Spark Plug 445
$12.07
Free shipping
For Hyundai Palisade Kia Optima OE Germany Double Iridium Spark Plug
$12.08
Free shipping
Spark Plug NGK 93175 (1 Spark Plug Only)
$12.10
Free shipping
More for your 2019 Kia Optima
Spark Plugs for 2019 Kia Optima: FAQ
What type of spark plug does a 2019 Kia Optima use?
The 2019 Kia Optima typically uses iridium spark plugs. Check your owner's manual or the existing plug for the exact part number and gap specification.
When should I replace the spark plugs on my 2019 Kia Optima?
Kia generally recommends replacement around 60,000 to 100,000 miles, but consult your owner's manual for the specific interval for your engine variant.
Do I need to gap new spark plugs for a 2019 Kia Optima?
Many iridium plugs come pre-gapped, but you should always verify the gap against your owner's manual specification. Use a gap tool to adjust if needed, being careful not to damage the electrode.
What are signs that my 2019 Kia Optima needs new spark plugs?
Common symptoms include rough idle, misfires, reduced fuel economy, difficulty starting, or a check engine light. Have the plugs inspected if you notice these issues.