Dodge does not use a single spark plug across its lineup; the correct plug depends on the engine, model year, and emission setup. Always consult your owner's manual or a dealer's parts catalog for the exact specification.
Because Dodge uses a wide range of engines—from the 3.6L Pentastar to the 5.7L Hemi and the high-performance Hellcats—the spark plug you need changes by model year and engine family. The factory plugs are selected to match heat range and ignition system, and aftermarket replacements must follow the OEM spec to maintain performance and emissions compliance.
Engine variations drive plug choices
Here are the main factors that determine the exact spark plug for a given Dodge vehicle:
- Engine family and displacement
- Model year and emissions equipment
- Ignition system design and fuel delivery configuration
- Heat range, electrode material, and gap specification as set by the manufacturer
In general, plug selection is engine-specific and tied to the engine’s compression, ignition strategy, and emissions constraints. Always confirm the exact specification for your vehicle.
Common plug types and brands used in Dodge engines
Most modern Dodge engines rely on long-life spark plugs with iridium or platinum tips. The OEM and aftermarket supply chain typically includes major brands such as NGK, Denso, Bosch, Champion, and Mopar-branded plugs. The specific part number is engine-specific and cannot be generalized across the lineup.
- Iridium or platinum tips for longevity and reliable ignition across high-mileage use.
- Older or low-compression engines may use copper-core plugs, but these are less common in recent Dodge designs.
- Different heat ranges and thread sizes are used to match each engine’s design, so you must use the exact OEM spec.
These technologies reflect Dodge’s approach to balancing performance, reliability, and emissions across its model range.
How to find the exact spark plug for your Dodge
To locate the precise spark plug for your Dodge, gather your vehicle details and use official sources to verify the part:
- Consult the owner’s manual or the service manual for the recommended plug type, heat range, and gap.
- Use your VIN to search Mopar Parts or the dealer’s catalog for the OE part number and cross-reference options.
- Cross-reference OE plugs with reputable aftermarket options (NGK, Denso, Champion, etc.) to find compatible substitutes, ensuring heat range and specifications match.
- Verify installation torque and the correct spark plug gap before and after installation.
Following these steps helps ensure you install the correct plug that preserves performance and emissions compliance for your specific Dodge vehicle.
Summary
The bottom line is that Dodge does not rely on a single spark plug design across its vehicles. The right spark plug is engine- and year-specific, influenced by heat range, electrode material, and ignition system. Always verify the exact OE specification via the owner’s manual, dealer catalogs, or a trusted parts supplier, and use reputable cross-reference guides only to confirm compatibility.
What spark plug brand does Dodge use?
Mopar Spark Plugs
Mopar Spark Plugs are the original equipment choice for Chrysler, Dodge and Jeep® vehicles.
What brand of spark plugs does Mopar use?
The key differences between Mopar and Champion spark plugs for a Hemi lie in branding and manufacturing, as Mopar spark plugs are often rebranded Champion or NGK plugs. "Mopar is replacement brand, champion is original equipment." "Champion plugs are the OEM plug without the Mopar branding. 1/2 the price."
What are the OEM spark plugs?
OEM plugs are those that the vehicle's manufacturer (or a supplier they own) makes. One of the primary benefits of OEM spark plugs is that they ensure compatibility. OEM plugs also tend to have a reputation for quality, lasting as long as the originally installed set.
What is the OEM brand for Dodge?
Mopar®
Mopar® features a full selection of genuine parts and accessories—with the performance, customization, and quality you expect—imagined with 85+ years of know-how and designed specifically for your Jeep®, Chrysler, Ram, Dodge, and FIAT® brand vehicle.