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What company makes Motorcraft spark plugs?
Directly speaking, Motorcraft spark plugs are produced by Autolite, which is the Honeywell Corporation’s division. The small bolts that create ignition are what we called Spark plugs. For your car to start, it needs combustion.
What heat range is Autolite 3924?
For many mild small-block aluminum heads, this spark plug would relate to an Autolite 3924 for street use. Within the Autolite family, this particular plug is toward the hotter side of the range that runs (cold-to-hot) 3922 – 3923 – 3924 – 3926.
How do you read Autolite spark plug numbers?
Autolite indicates the heat range with the last digit of the part number. For example, 3923 has a heat range of 3. The higher the number, the hotter the plug. The lower the number, the colder the plug.
What size are Motorcraft spark plugs?
Technical Details
| Manufacturer | Motorcraft |
|---|---|
| Item Weight | 1.12 ounces |
| Product Dimensions | 4.85 x 1.54 x 1.72 inches |
| Country of Origin | USA |
| Item model number | SP539 |
Are Motorcraft and Autolite the same?
This brand replaced Autolite as Ford’s official parts brand. Autolite has continued since and is still a brand name in use today. Motorcraft was originally launched in the 1960s and was temporarily discontinued after Ford had purchased the Autolite trade name and utilized it as their primary auto parts brand.
Are Motorcraft spark plugs made by Autolite?
“As a division of the Honeywell Corporation, Autolite is the manufacturer responsible for the production of all Motorcraft spark plugs in North America for the Ford Motor Company. Both Autolite and Ford/Motorcraft spark plugs are built to quality standards using quality components.
Which autolite plug is hotter?
What is the gap on Autolite spark plugs?
The spark plug gap adjustment should not be changed more than 3 times and should not exceed . 008″ in either direction. Excessive changing of the spark plug gap setting will result in weakening of the spark plug ground electrode and can lead to breakage. Also, the spark plug gap should never exceed .
What does a GREY spark plug mean?
In general, a light tan/gray color tells you that the spark plug is operating at optimum temperature and that the engine is in good condition. Signs of fouling or excessive heat must be traced quickly to prevent further deterioration of performance and possible engine damage.
Who makes Autolite?
FRAM Group
Autolite
| Type | Division of FRAM Group |
|---|---|
| Founded | 1911 |
| Headquarters | Lake Forest, Illinois , United States |
| Parent | FRAM Group IP LLC |
| Website | http://www.autolite.com |
What spark plugs does Ford recommend?
All the right spark plugs, recommended by Ford Motor Company Motorcraft® spark plugs are available for a broad range of applications, including domestic and import cars and trucks of all makes and sizes.
Does Ford make Autolite spark plugs?