DENSO Auto Parts 5339 spark plug for the 2010-2014 Ford F-150 V8 6.2L, the 2011-2014 F-150 V6 3.7L, the 2011-2017 F-150 V8 5.0L, the 2011-2019 F-150 V6 3.5L, the 2020-2022 F-150 V6 3.3L and other vehicles fires the spark that ignites the air-fuel mixture in the cylinder.
- Part of the DENSO Iridium Power spark plug line
- 0.4 mm iridium center electrode for improved spark
- U-Groove and taper-cut ground electrode to promote flame propagation
- Resistance rated at 5000 ohms
- Pre-gapped at 1.1 mm
Quick facts
- Part: DENSO Auto Parts 5339 spark plug
- Fits: the 2010-2014 Ford F-150 V8 6.2L, the 2011-2014 F-150 V6 3.7L, the 2011-2017 F-150 V8 5.0L, the 2011-2019 F-150 V6 3.5L, the 2020-2022 F-150 V6 3.3L and other vehicles
- Material: Iridium (center electrode tip)
- Condition: New
A worn or fouled plug can show up as hard starting, rough idle or a misfire. Before you replace the plugs, rule out the ignition coils, wiring and fuel delivery, because a misfire has more than one possible source.
Fits
This plug is listed for a wide range of Ford, Buick, Cadillac and Chevrolet models, including the 2011-2019 Ford Explorer V6 3.5L, the 2012-2015 Explorer 4-cylinder 2.0L, the 2016-2019 Explorer 4-cylinder 2.3L and the 2020-2022 Explorer V6 3.3L. It is also a Ford Escape spark plug for the 2013-2019 Escape 4-cylinder 2.0L and the 2020-2022 Escape 3-cylinder 1.5L. If your car is not named here, look up your year and engine in the "Vehicles it fits" section. The 2011-2019 Ford F-150 V6 3.5L takes six plugs, and the 2013-2019 Escape 4-cylinder 2.0L takes four.
Specifications
Fit and size
- Thread diameter: 14.0 mm
- Reach: 25.0 mm
- Hex size: 16 mm
- Seat type: Tapered
- Pre-gap: 1.1 mm
- Manufacturer heat range: 20
- Quantity per vehicle: varies by engine
Build and materials
- Center electrode tip: iridium, with a copper core
- Ground electrode core: nickel
- Ground electrode tip design: tapercut, U-Groove
- Resistance: 5000 ohms
- Country of origin: Japan
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Can I use this as a Ford F-150 spark plug on a 2011-2019 F-150 V6 3.5L?
Yes, DENSO Auto Parts 5339 is listed for the 2011-2019 Ford F-150 V6 3.5L, which takes six plugs, and other F-150 engines are in the "Vehicles it fits" section.
Is this Explorer spark plug right for the 2011-2019 Ford Explorer V6 3.5L?
Yes. The DENSO 5339 is listed for the 2011-2019 Ford Explorer V6 3.5L, and that engine takes six plugs.
What thread size and reach does the DENSO 5339 spark plug have?
It has a 14.0 mm thread diameter, 25.0 mm reach and a 16 mm hex, with a tapered seat.
Do these DENSO iridium spark plugs come pre-gapped?
Yes. The gap is preset at 1.1 mm, and the plug has a manufacturer heat range of 20.
What are signs these iridium spark plugs are wearing out?
Hard starting, rough idle and a misfire can mean the plugs are worn. With the engine cool and the plugs out, look for rounded electrodes or heavy deposits.
