Spark Plugs for 2021 Jeep Wrangler
96 matching spark plugs from $3.05 to $16.84, all confirmed to fit your 2021 Jeep Wrangler.
Spark Plug-Standard NGK 4832
$3.05
+ $12.00 shipping
Iridium XP Spark Plug Autolite XP6043
$3.10
+ $5.55 shipping
Autolite Double Platinum Spark Plug APP5701
$4.19
+ $5.95 shipping
Spark Plug-Iridium XP Autolite XP5701 001
$5.00
Shipping varies
Genuine Mopar Spark Plug Well Gasket 5048235AA
$5.72
+ $5.99 shipping
Genuine Mopar Spark Plug Well Gasket 5048235AA
$6.59
+ $8.95 shipping
Genuine Mopar Spark Plug Well Gasket 5048235AA
$6.81
+ $7.55 shipping
Genuine Mopar Spark Plug Well Gasket 5048235AA
$6.92
+ $8.00 shipping
Genuine Mopar Spark Plug Well Gasket 5048235AA
$6.92
+ $8.99 shipping
Genuine Mopar Spark Plug Well Gasket 5048235AA
$6.92
+ $9.50 shipping
Genuine Mopar Spark Plug Well Gasket 5048235AA
$7.63
+ $7.00 shipping
Genuine Mopar Spark Plug Well Gasket 5048235AA
$7.63
+ $8.99 shipping
Spark Plug-Iridium Champion 9417 / RER8ZWYPB4
$8.10
Shipping varies
Iridium Spark Plug DENSO 5356
$8.50
Free shipping
NEW SPARK PLUG FOR ALFA ROMEO GIULIA STELVIO/SUV 2.0L 4cyl 90219
$9.44
+ $6.95 shipping
Spark Plug-Iridium XP Autolite XP5701
$9.95
Free shipping
Spark Plug Gasket Mopar 5184778AB
$9.99
Free shipping
8x Auto Lite Iridium Ultra Spark Plugs AI5701
$9.99
Shipping varies
Spark Plug Skyward Automotive SP1031
$9.99
Free shipping
Spark Plug Well Gasket - Mopar (5048235AA)
$10.00
Free shipping
Spark Plug-Standard NGK 4832
$10.09
Free shipping
Spark Plug DENSO 5350
$10.18
Free shipping
E3 E3.82 Gasket Seat DiamondFire Spark Plug for Most Late Model Imports 12mm 1"
$10.21
Free shipping
1 PACK NGK Laser Iridium (7751) ILZKR7B11 Spark Plug
$10.49
Free shipping
Spark Plug-GAS DENSO 5356
$10.59
Free shipping
Spark Plug-Standard NGK 4832 BR10ES
$10.77
Free shipping
Autolite Double Platinum Spark Plug Autolite APP5701
$10.93
Free shipping
Spark Plug-Iridium Champion Spark Plug 9417 (Quantity of 1)
$11.43
Free shipping
Spark Plug-Standard NGK 4832
$11.44
Free shipping
Iridium Spark Plug Champion Spark Plug 9417
$11.70
Free shipping
Spark Plug Autolite APP5701 4Pack 001
$12.00
Shipping varies
Spark Plug-Standard NGK 4832
$12.02
Free shipping
Spark Plug-Standard NGK 4832
$12.06
Free shipping
14mm 3/8" Drive 12 point Ignition spark plug socket Magnetic Retainer THIN WALL
$12.25
Free shipping
Spark Plug-Iridium Ultra Autolite AI5701
$12.50
Free shipping
Genuine Mopar Spark Plug Well Gasket 5048235AA
$12.58
Free shipping
More for your 2021 Jeep Wrangler
Spark Plugs for 2021 Jeep Wrangler: FAQ
What type of spark plug is recommended for a 2021 Jeep Wrangler?
Most 2021 Jeep Wranglers use iridium spark plugs for long life and consistent performance. Check your owner’s manual or the existing plug for the exact type and heat range.
How often should spark plugs be replaced on a 2021 Jeep Wrangler?
For iridium plugs, replacement is typically recommended around 60,000 to 100,000 miles. Consult your owner’s manual for the specific interval for your engine.
Can I use aftermarket spark plugs, or should I stick with OEM?
Quality aftermarket plugs from reputable brands (e.g., NGK, Denso) that match OEM specifications are fine. Ensure they have the same material, heat range, and gap as the originals.
Do I need to gap new spark plugs before installing them?
Many iridium plugs come pre-gapped, but it’s wise to verify the gap with a tool and adjust if needed to match your engine’s specification. Never force the electrode when adjusting.