DENSO Auto Parts 4704 spark plug for the 2021-2023 Ford F-150 V6 3.5L and other vehicles ignites the air-fuel mixture in the cylinder through a twin-tip iridium and platinum design.
- Iridium TT twin-tip design with a 0.4 mm iridium center electrode and 0.7 mm platinum ground electrodes
- Twin tip minimizes spark interference and maximizes ignitability
- Endurance of over 100,000 miles
- Intended to increase performance and fuel economy
- Pairs the durability of a standard-style plug with the power and torque of a high-performance plug
Quick facts
- Part: DENSO Auto Parts 4704 spark plug
- Fits: 2021-2023 Ford F-150 V6 3.5L and other vehicles
Worn plugs can show up as hard starting, a rough idle, a misfire or lower fuel economy. Ignition coils, fuel injectors or a vacuum leak can be behind those signs too, so find the cause before you buy new plugs.
Fits
The 2021-2023 Ford F-150 V6 3.5L takes six of these plugs, and the same plug works as a spark plug for the 2007-2017 Toyota Camry V6 3.5L, which also takes six. It also fits spark plugs for the 2005-2015 Toyota Tacoma V6 4.0L, which takes six, and the 2005-2023 Tacoma 4-cylinder 2.7L, which takes four. If your car is not named here, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Thread diameter: 14.0 mm
- Reach: 26.5 mm
- Hex size: 16 mm
- Seat type: Flat
- Pre-gap size: 1.0 mm
- Heat range: 20
- Quantity per vehicle: varies by engine
Build and materials
- Center electrode: iridium tip, copper core
- Ground electrode: platinum twin-tip, nickel core
- Resistance: 5000 ohms
- Country of origin: United States
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is this a Ford F-150 spark plug for the 2021-2023 model with the V6 3.5L?
Yes. DENSO Auto Parts 4704 fits the 2021-2023 Ford F-150 V6 3.5L, and that engine takes six plugs.
What are the thread size and reach of the DENSO Auto Parts 4704?
The thread diameter is 14.0 mm and the reach is 26.5 mm. The hex size is 16 mm and the seat is flat.
What are the electrodes made of on the Iridium TT 4704 plug?
This plug has a 0.4 mm iridium center electrode and 0.7 mm platinum ground electrodes. The center core is copper and the ground core is nickel.
Does this twin-tip iridium spark plug come pre-gapped?
Yes, the pre-gap size is 1.0 mm.
What are signs these iridium twin-tip plugs are wearing out?
Hard starting, a rough idle, a misfire or lower fuel economy can be signs of a worn plug. A shop can test the ignition system if you are unsure.
