How can a Spark Plug be cleaned and prepared for use on Jeep Wrangler?

Spark plugs can be cleaned using commercially available spark plug cleaning equipment. After cleaning, the center electrode should be filed flat with a small point file or jeweler's file before adjusting the gap. It is important to never use a motorized wire wheel brush for cleaning spark plugs, as metallic deposits will remain on the spark plug insulator and can lead to plug misfire.

How should Spark Plug and spark plug cables be properly removed to avoid ignition issues on Jeep Wrangler?

While replacing the spark plugs and spark plug cables, one needs to orient the cables correctly and place them firmly in their respective retainers. Any negligence in doing so may lead to ignition noise in the radio, cross ignition of the spark plugs or short circuit to the ground. When removing cables always grasp the boot, turn it ½ turn, and pull straight back in a steady motion. Prior to taking out the spark plug, the spark plug hole and vicinity should be blown clean with compressed air. Take a decent socket with a foam insert to take out the spark plug and check its condition.

OEM Jeep Wrangler Spark Plug

Ignition Spark Plug

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11 Spark Plugs found

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Jeep Wrangler Spark Plug Part Number: SP149212AC
$13.17 MSRP: $19.20
You Save: $6.03 (32%)
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Product Specifications
- Other Name: Spark Plug Iridium Power; Spark Plug Quantity Of 8 Per Cylinder Head. 16 Total Per Engine.
- Replaces: 5149212AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2021-2024 Jeep Wrangler | Unlimited Rubicon 392 | 8 Cyl 6.4 L GAS
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Jeep Wrangler Spark Plug Part Number: SP000ZFR5N
$11.23 MSRP: $16.45
You Save: $5.22 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Plug; Spark Plug Standard
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2004-2006 Jeep Wrangler | 65th Anniversary Edition, Rubicon, SE, Sahara, Sport, Unlimited, Unlimited Rubicon, X | 6 Cyl 4.0 L GAS
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Jeep Wrangler Spark Plug Part Number: 68292346AA
$20.52 MSRP: $30.00
You Save: $9.48 (32%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2018-2025 Jeep Wrangler | 80th Anniversary, Freedom, Islander, Rubicon, Rubicon X, Sport, Sport S, Unlimited 80th Anniversary, Unlimited Freedom, Unlimited High Altitude, Unlimited High Altitude 4xe, Unlimited Islander, Unlimited Rubicon, Unlimited Rubicon 4xe, Unlimited Rubicon X, Unlimited Rubicon X 4xe, Unlimited Sahara, Unlimited Sahara 4xe, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Sport S 4xe, Unlimited Willys, Unlimited Willys 4xe, Unlimited Willys Sport, Willys, Willys Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Jeep Wrangler Spark Plug Part Number: SP303917AC
$11.40 MSRP: $16.70
You Save: $5.30 (32%)
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Product Specifications
- Replaces: 4686742AD, S2RE14PLP5, 68303917AA, SP303917AB, S3RE14PLP5
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2007-2011 Jeep Wrangler | 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X | 3.8L V6, 6 Cyl 3.8 L GAS
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Jeep Wrangler Spark Plug Part Number: 68304022AA
$11.60 MSRP: $16.70
You Save: $5.10 (31%)
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Product Specifications
- Other Name: Plug
- Replaces: SP0RC12ECC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1999-2003 Jeep Wrangler | Rubicon, SE, Sahara, Sport, X | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS
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Jeep Wrangler Spark Plug Part Number: SP149125AF
$24.61 MSRP: $31.70
You Save: $7.09 (23%)
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Product Specifications
- Replaces: SP149125AE, 5149125AD, 5149125AE, SP149125AD
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2012-2018 Jeep Wrangler | 75th Anniversary, Rubicon, Sahara, Sport, Sport S, Unlimited 75th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S | 3.6L V6, 6 Cyl 3.6 L GAS
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Jeep Wrangler Spark Plug Part Number: SP225755AB
$22.80 MSRP: $33.35
You Save: $10.55 (32%)
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Product Specifications
- Other Name: Spark
- Replaces: 68225755AA, 68225755AB, SP225755AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2018-2025 Jeep Wrangler | 80th Anniversary, Freedom, Islander, Rubicon, Rubicon X, Sport, Sport S, Unlimited 80th Anniversary, Unlimited Freedom, Unlimited High Altitude, Unlimited High Tide, Unlimited Islander, Unlimited Moab, Unlimited Rubicon, Unlimited Rubicon X, Unlimited Sahara, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys Sport, Willys, Willys Sport | 3.6L V6, 6 Cyl 3.6 L GAS, 6 Cyl 3.6 L MILD HYBRID EV-GAS (MHEV)
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Jeep Wrangler Spark Plug Part Number: 68307021AA
$10.26 MSRP: $15.00
You Save: $4.74 (32%)
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Product Specifications
- Other Name: Plug
- Replaces: 4606402AB, S3RE14MCC5, SPRE14MCC5, 5018976AA, S2RE14MCC5
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2003-2004 Jeep Wrangler | SE | 2.4L L4, 4 Cyl 2.4 L GAS
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Jeep Wrangler Spark Plug Part Number: 68304020AA
$10.26 MSRP: $15.00
You Save: $4.74 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Plug
- Replaces: SP0RC12LYC, 56027275
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1997-1998 Jeep Wrangler | Sahara, SE, Sport | 2.5L L4, 4 Cyl 2.5 L GAS, 4.0L L6, 6 Cyl 4.0 L GAS
- 1994-1995 Jeep Wrangler | 2.5L L4, 4.0L L6
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Jeep Wrangler Spark Plug Part Number: 68303920AA
$8.12 MSRP: $11.70
You Save: $3.58 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP00RE16MC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005-2006 Jeep Wrangler | SE | 2.4L L4, 4 Cyl 2.4 L GAS
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Jeep Wrangler Spark Plug Part Number: S2LZTR4A11
$6.46 MSRP: $8.35
You Save: $1.89 (23%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Spark Plug Iridium Power; Spark Plug Iridium TT; Spark Plug Lztr4A-11
- Replaces: SPLZTR4A11
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005 Jeep Wrangler | SE | 2.4L L4, 4 Cyl 2.4 L GAS

Jeep Wrangler Spark Plug

Choose OEM Spark Plug that meet Jeep factory standards. Jeep designs and tests every component for precision and durability. Each Spark Plug follows strict manufacturing steps to lock in quality and fit. If your Jeep Wrangler matters to you, OEM parts make the smart choice. You'll get the exact look, feel, and performance you expect. Shop genuine Wrangler parts at the highly competitive prices online. Enjoy a manufacturer's warranty, a hassle-free return policy, and rapid delivery. No more guesswork with off brands. Get genuine parts with exact fit and true factory performance. Shop with confidence today at JeepPartsDeal.com.

Jeep Wrangler Spark Plug is responsible for providing the spark to ignite the air and fuel mixture in the cylinder. In functioning, high voltage ignition coil passes to the central electrode of the Spark Plug, jumps across a small gap to the side electrode and creates a flash that starts combustion. The piston moves downwards due to this event and creates the power stroke of the vehicle. When the engine is idle, the Spark Plug can fire hundreds of times each minute, and at cruising speed, more than a thousand times, repeating this cycle for many thousands of miles before wear shows. The Spark Plug has a metal shell with threading that attaches it to the cylinder head. An insulator shields the electrical path. A Spark Plug also has electrodes that must be sized accurately and must maintain a proper gap. Having the right gap and heat range helps the Jeep motor produce the ideal amount of power while minimizing the chances of misfire in the Wrangler. The consistent performance of the Spark Plug allows every gasoline-powered Jeep Wrangler to experience efficient starts and acceleration. A properly functioning Jeep Wrangler is ready to drive.

Jeep Wrangler Spark Plug Parts and Q&A

Spark Plug
SP000ZFR5N
Q: How can a Spark Plug be cleaned and prepared for use on Jeep Wrangler?
A:
Spark plugs can be cleaned using commercially available spark plug cleaning equipment. After cleaning, the center electrode should be filed flat with a small point file or jeweler's file before adjusting the gap. It is important to never use a motorized wire wheel brush for cleaning spark plugs, as metallic deposits will remain on the spark plug insulator and can lead to plug misfire.
Spark Plug
SP303917AC
Q: How should Spark Plug and spark plug cables be properly removed to avoid ignition issues on Jeep Wrangler?
A:
While replacing the spark plugs and spark plug cables, one needs to orient the cables correctly and place them firmly in their respective retainers. Any negligence in doing so may lead to ignition noise in the radio, cross ignition of the spark plugs or short circuit to the ground. When removing cables always grasp the boot, turn it ½ turn, and pull straight back in a steady motion. Prior to taking out the spark plug, the spark plug hole and vicinity should be blown clean with compressed air. Take a decent socket with a foam insert to take out the spark plug and check its condition.