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Autolite Copper Spark Plug – 66
Autolite Copper Spark Plug – 66
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Autolite Copper Spark Plug – 66

AUTOLITE
ELE1900
In stock
$6.25 $5.99
Description:The Autolite 66 Copper Spark Plug is designed to deliver dependable ignition performance, fast starts, and...
$5.99
Autolite Copper Spark Plug – 66
Description

Description:
The Autolite 66 Copper Spark Plug is designed to deliver dependable ignition performance, fast starts, and efficient combustion. Built with a copper core center electrode, it offers excellent thermal conductivity to help control operating temperatures and reduce spark plug fouling.

Its high nickel alloy center and ground electrodes are engineered for durability and extended service life, while the high alumina multi-rib ceramic insulator provides superior electrical insulation and heat dissipation. A corrosion-resistant nickel-plated shell protects against rust and wear, ensuring reliable performance even in demanding driving conditions.

Autolite copper spark plugs are a trusted replacement choice for many gasoline engines, helping maintain smooth engine operation and consistent ignition performance.

Features:

  • Copper core center electrode improves heat transfer and fouling resistance

  • High nickel alloy center and ground electrodes help extend plug life

  • Multi-rib ceramic insulator enhances electrical insulation and strength

  • Nickel-plated shell helps resist corrosion and improve durability

  • Designed for reliable ignition performance and quick engine starts

Product Specifications:

  • Part number: 66

  • Brand: Autolite

  • Product type: Copper spark plug

  • Center electrode core material: Copper

  • Center electrode tip material: Nickel

  • Ground electrode core material: Nickel

  • Ground electrode tip material: Nickel

  • Ground configuration: Single

  • Ground electrode quantity: 1

  • Thread diameter: 14 mm

  • Seat type: Flat

  • Washer included: Yes

  • Reach: 0.75 in

  • Hex size: 21 mm

  • Resistor type: Yes

  • Resistance: 4000 ohms

  • Pre-gap size: 0.8636 mm

  • Manufacturer heat range: 8

  • Insulator material: Ceramic

  • Center electrode design: Standard

  • Center electrode projection: Mid projection

  • Electrical terminal type: Removable nut

  • Skirt: Yes

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Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

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Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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