Champion 401 spark plug for the 1997 Ford F-150 V8 5.4L, the 1997-2010 F-150 V8 4.6L and other vehicles creates the spark that ignites the air-fuel mixture in each cylinder.
- Champion Copper Plus line, plug type RS12YC
- Copper core center electrode for accurate heat range control, longer life and dependable performance
- Coated shell that resists corrosion in harsh environments
- Built-in resistor that minimizes electrical interference to sensitive electronics
- Pre-gapped at 0.040 in (1.02 mm) to simplify installation
- Engineered for reliable ignition in all weather conditions
Quick facts
- Part: Champion 401 spark plug
- Fits: the 1997 Ford F-150 V8 5.4L, the 1997-2010 F-150 V8 4.6L and other vehicles
- Material: Copper center electrode
- Condition: New
A worn plug can show up as a misfire, rough idle or hard starting, and a weak coil or a fuel issue can produce those too. Before replacing, look at a removed plug with the engine off and cool for a cracked insulator, a worn electrode or heavy deposits, and compare its gap with the spec below.
Fits
This plug is listed for a wide range of Ford, Chevrolet, Cadillac and GMC models, including the 2001-2012 Ford Escape V6 3.0L, the 2005-2008 Escape 4-cylinder 2.3L and the 2006-2012 Ford Fusion V6 3.0L. It is built to meet OE fit, form and function.
Specifications
Fit and size
- Plug type: RS12YC
- Thread diameter: 14 mm (0.551 in)
- Pre-gap: 0.040 in (1.02 mm)
- Seat type: Tapered
- Quantity per vehicle: depends on the engine
Build and materials
- Product line: Champion Copper Plus
- Center electrode tip material: Copper
- Resistor: Yes
- Shell: Coated
- Condition: New
- Country of origin: China
In the box
One spark plug; a washer is not included. The number a vehicle needs depends on its engine: a 4-cylinder takes four, a V6 takes six and a V8 takes eight.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Will the Champion 401 work as a plug for the 2006-2012 Ford Fusion V6 3.0L?
Yes. Champion 401 fits the 2006-2012 Ford Fusion V6 3.0L, and that engine takes six plugs.
Does the Champion 401 spark plug fit the 2001-2012 Ford Escape V6 3.0L?
Yes. It fits the 2001-2012 Ford Escape V6 3.0L, which takes six plugs, and the 2005-2008 Escape 4-cylinder 2.3L, which takes four. For another car, find its year and engine in the "Vehicles it fits" section.
What thread size and gap does the Champion 401 have?
Champion 401 has a 14 mm (0.551 in) thread diameter and comes pre-gapped at 0.040 in (1.02 mm).
Does the RS12YC plug come with a washer?
No. This listing is one spark plug with a tapered seat, and no washer is included.
Is the Champion 401 a resistor spark plug?
Yes. Champion 401 has a built-in resistor that minimizes electrical interference to protect sensitive electronics.
