Mopar SP149125AF Spark Plug for Jeep Grand Cherokee and Dodge Journey 2011-2022

Spark Plug Mopar SP149125AF for Jeep Grand Cherokee and Dodge Journey 2011–2022

The ideal solution for stable and reliable engine performance

The Mopar SP149125AF spark plug is a genuine OEM component designed to ensure uninterrupted performance of gasoline engines in Jeep Grand Cherokee, Dodge Journey, Jeep Wrangler, and Jeep Cherokee models equipped with 3.2L and 3.6L V6 engines. This spark plug is the result of precision engineering and years of testing within Stellantis quality standards—the corporation that unites brands such as Jeep and Dodge.

Using original Mopar spark plugs guarantees confident engine starts, smooth idling, reduced fuel consumption, and optimal combustion of the air-fuel mixture. The use of certified parts eliminates fitment errors and ensures complete compatibility with the ignition systems of specific vehicle models.

Advantages of the original Mopar SP149125AF spark plug

• Perfect fit without any modifications or adjustments

• Increased resistance to high temperatures and engine vibrations

• Stable spark even in cold weather

• Long service life under active driving conditions

• Reduced emissions due to complete fuel combustion

• Maintains consistent engine power in all conditions

Vehicle compatibility

The Mopar SP149125AF spark plug is designed specifically for gasoline engines in the following models:

• Jeep Grand Cherokee WK 3.6L (2011–2021)

• Jeep Wrangler JK 3.6L (2012–2018)

• Jeep Cherokee KL 3.2L (2014–2022)

• Dodge Journey JC 3.6L (2012–2019)

Thanks to precise factory calibration, the spark plug fully meets the ignition system requirements of these vehicles and does not require any additional tuning.

Purpose and use characteristics

This part is designed to deliver an electrical impulse that ignites the air-fuel mixture in the combustion chamber. It is a key component of the ignition system and directly influences engine stability and power. The spark plug is built for intensive use, including in urban driving conditions with frequent stops, starts, and variable loads on the engine.

Usage recommendations

The manufacturer recommends replacing the spark plugs approximately every 48,000–55,000 kilometers or according to the maintenance schedule of your specific vehicle model. During installation, it is important to use a torque wrench and follow the torque specifications listed in the vehicle’s manual.

Package contents

• 1 original Mopar SP149125AF spark plug in factory packaging

For a full spark plug replacement in a V6 engine, a set of six should be purchased.

Condition and origin

The product is brand new and comes in its original Mopar packaging. It is a genuine part with a unique part number and complies with OE (Original Equipment) standards.

Condition and origin

The product is brand new and comes in its original Mopar packaging. It is a genuine part with a unique part number and complies with OE (Original Equipment) standards.

Technical specifications

• Brand: Mopar

• Brand origin country: USA

• Country of manufacture: USA

• Model number: SP149125AF

• Purpose: Spark plug for gasoline engines

• Compatibility: Jeep Grand Cherokee WK 3.6L, Jeep Wrangler JK 3.6L, Jeep Cherokee KL 3.2L, Dodge Journey JC 3.6L

• Condition: New

• Thread type: M14 x 1.25

• Thread length: 19 mm

• Center electrode material: Nickel alloy

• Insulator material: High-grade ceramic

• Gap type: Fixed

• Operating voltage: Up to 30,000 V

• Heat range: Medium (standard for Pentastar V6)

• Temperature resistance: Up to 850°C

• Vibration resistance: Enhanced

• Engine type: Gasoline, V6

• Color: Metallic body with white ceramic insulator

• Weight: Approx. 40 g

• Service life: Up to 55,000 km

• Contents: 1 spark plug

• Installation: Fits listed models without modification

Using the original Mopar SP149125AF spark plug ensures stable engine performance, improved fuel efficiency, and protection against premature engine wear. It's a reliable choice for Jeep and Dodge owners who value safety, durability, and the high quality of original parts.

Want your vehicle to run as confidently as it did on day one? Start with the right spark plug.