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Autolite Copper Spark Plug – 303
Autolite Copper Spark Plug – 303
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Autolite Copper Spark Plug – 303

AUTOLITE
ELE1883
In stock
$6.33 $5.99
Description:The Autolite 303 Copper Spark Plug is designed to deliver dependable ignition performance, quick starts, and...
$5.99
Autolite Copper Spark Plug – 303
Description

Description:
The Autolite 303 Copper Spark Plug is designed to deliver dependable ignition performance, quick starts, and consistent engine power. Built with a copper core center electrode, it improves thermal conductivity to help maintain optimal operating temperatures and resist fouling.

High nickel alloy center and ground electrodes enhance durability and extend the service life of the spark plug while maintaining stable spark delivery. The multi-rib high alumina ceramic insulator improves electrical insulation and heat dissipation, ensuring reliable performance under demanding engine conditions. A corrosion-resistant nickel-plated shell further protects the spark plug from rust and wear for long-lasting reliability.

Autolite copper spark plugs are engineered to meet the performance needs of many gasoline engines, making them a dependable replacement for routine maintenance.

Features:

  • Copper core center electrode improves heat transfer and fouling resistance

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

  • Multi-rib ceramic insulator improves insulation and durability

  • Nickel-plated shell helps resist corrosion for longer service life

  • Designed for quick starts and consistent ignition performance

Product Specifications:

  • Part number: 303

  • 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 electrode configuration: Single

  • Ground electrode quantity: 1

  • Thread diameter: 14 mm

  • Seat type: Flat

  • Reach: 9.50 mm

  • Hex size: 21 mm

  • Resistor type: Yes

  • Resistance: 5000 ohms

  • Pre-gap size: 0.8636 mm

  • Manufacturer heat range: 8

  • Insulator material: Ceramic

  • Center electrode design: Standard

  • Center electrode projection: Short projection

  • Center electrode insulator tip projection: Short

  • Electrical terminal type: Removable nut

  • Washer included: Yes

  • 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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Customers select their preferred shipping method and speed at checkout.
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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