Home / 4 Pack Autolite 437 Copper Core Spark Plugs
4 Pack Autolite 437 Copper Core Spark Plugs
$23.77
Free shipping on all orders.
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The Autolite 437 Copper Core Spark Plug 4 Pack is designed to deliver reliable ignition, improved fuel efficiency, and enhanced engine performance for automotive applications. Built with quality materials, these spark plugs ensure dependable starts and consistent performance for your vehicle.
Features & Benefits:
🔧 Includes 4 Autolite 437 spark plugs for convenient replacement
🔧 Copper core design provides excellent conductivity and heat dissipation
🔧 Durable construction resists fouling and wear for long-lasting use
🔧 Optimized for reliable ignition and efficient combustion
Specifications:
Brand & Part Number: Autolite 437
Quantity: 4 Pack
Plug Type: Standard Spark Plug
Thread Size: 14mm
Reach: 19mm (3/4 in)
Hex Size: 5/8 in (16mm)
Heat Range: 6
Seat Type: Gasket
Resistor: Yes
Choose Autolite 437 spark plugs for dependable ignition, efficient performance, and trusted quality—order this 4 pack today!
Shipping Info
Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.
Returns
30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.
How do I confirm this part fits?
Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.
Are these parts new?
Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.
How fast will my order ship?
In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.
What is your return policy?
Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.
Customer Reviews
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Original plugs. Fair price
— jp_us....
