DENSO Auto Parts 3431 spark plug for the 2013-2015 Mitsubishi Lancer 4-cylinder 2.0L and other vehicles ignites the air-fuel mixture in each cylinder. It is built to strict OE performance, durability and emissions standards.
- Patented iridium alloy of over 90% iridium mixed with a little rhodium to reduce oxidation
- Durability over 110,000 miles
- Needle-to-needle (SIP) type
- Platinum chip ground electrode tip
- 5000 ohms of resistance
Quick facts
- Part: DENSO Auto Parts 3431 spark plug
- Fits: 2013-2015 Mitsubishi Lancer 4-cylinder 2.0L and other vehicles
- Condition: New
Hard starting, a rough idle or misfires can mean worn spark plugs. Before you replace them, rule out a failing ignition coil or a fuel delivery fault, because misfires have more than one source.
Fits
The 2013-2015 Mitsubishi Lancer 4-cylinder 2.0L, the 2004-2008 Mitsubishi Endeavor V6 3.8L and the 2004-2007 Mitsubishi Galant V6 3.8L are among the cars it fits, along with others. If your car is not one of these, look up its year and engine in the "Vehicles it fits" section. Each cylinder takes one plug: four for a 4-cylinder engine, six for a V6.
Specifications
Fit and size
- Thread diameter: 14.0 mm
- Reach: 19.0 mm
- Hex size: 16 mm
- Pre-gap: 0.8 mm
- Seat type: Flat
- Heat range: 20
- Quantity per vehicle: varies by engine
Build and materials
- Center electrode: iridium tip, copper core
- Ground electrode: platinum chip tip, nickel core
- Ground configuration: Standard
- Resistance: 5000 ohms
- Condition: New
- Country of origin: Japan
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
K20PSR-B8, MN163236, MN163807
Frequently Asked Questions
Will this work as a spark plug for the 2013-2015 Mitsubishi Lancer 4-cylinder 2.0L?
Yes. DENSO Auto Parts 3431 fits the 2013-2015 Mitsubishi Lancer 4-cylinder 2.0L, which takes four plugs, one per cylinder.
Is there a spark plug for the 2004-2007 Mitsubishi Galant V6 3.8L in this listing?
Yes. DENSO Auto Parts 3431 fits the 2004-2007 Mitsubishi Galant V6 3.8L, which takes six plugs. For a different car, look up its year and engine in the "Vehicles it fits" section.
What are the gap, thread size and reach of the DENSO 3431?
This plug comes pre-gapped at 0.8 mm. It has a 14.0 mm thread diameter, a 19.0 mm reach and a 16 mm hex.
How long does the DENSO 3431 iridium spark plug last?
Its durability is over 110,000 miles. The patented iridium alloy is over 90% iridium with a little rhodium added to reduce oxidation.
What are the electrodes on this plug made of?
The center electrode has an iridium tip on a copper core. The ground electrode has a platinum chip tip on a nickel core.
