Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack)
Details
- BrandAutolite
- Core MaterialCopper
- Thread SizeRM
- Top Material TypeAlloy Steel
- Vehicle Service TypeCar
Description
⚡ Spark your engine’s potential with Autolite 437 – where power meets precision!
- BUILT TO LAST - Heat-fused internal seal guarantees leak-proof reliability and extended spark plug life.
- LEGACY OF INNOVATION - Trusted Autolite technology since 1936, delivering proven performance and value every mile.
- PRECISION ENGINEERING - Copper-glass seal bonds insulator and terminal post for unmatched durability and stability.
- IGNITE PEAK PERFORMANCE - Full copper core electrode ensures superior heat transfer for consistent power under all conditions.
- DRIVE SMARTER NOT HARDER - Optimized for quick starts and enhanced fuel economy, saving you money at the pump.
The Autolite 437 Copper Non-Resistor Spark Plug features a full copper core electrode for superior thermal conductivity, enhancing engine performance and fuel efficiency. Its heat-fused internal seal ensures leak-proof durability, while the copper-glass seal construction provides long-lasting stability. Backed by Autolite’s legacy since 1936, this spark plug delivers reliable, smooth acceleration and quick starts for your vehicle.
Specifications
| Brand | Autolite |
| Core Material | Copper |
| Thread Size | RM |
| Top Material Type | Alloy Steel |
| Vehicle Service Type | Car |
| Global Trade Identification Number | 00009100253545 |
| UPC | 009100253552 009100253545 |
| Manufacturer | FRAM |
| Model | Spark Plug |
| Item Weight | 1.6 ounces |
| Product Dimensions | 1 x 1 x 3.38 inches |
| Country of Origin | Mexico |
| Item model number | 437 |
| Is Discontinued By Manufacturer | Yes |
| Manufacturer Part Number | 437 |
Reviews
T**L
Works great!
Installed in my 1939 9n that needed a little hotter plug. Starts and runs like a new tractor.
G**R
Good product
Good plugs.good price
C**7
Good price
Price was good fast shipping
W**D
Misleading description
The description shows a package of four. Nothing says there's only one spark plug. I had to order three more spark plugs. The price is correct for one plug.
R**T
Perfect on a Ford 8N.
Back to a normal idle and throttle response.
B**T
great
as expected and shipped fast
M**Y
My old Ford likes these
My old Ford likes these. Keeps running good.
C**S
New parts.
Unfortunately they were the wrong spark plugs but I did return them and got refunded, no issues.
Common Questions
Trustpilot
1 month ago
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