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Autolite Copper Spark Plug – 4123

AUTOLITE
ELE1889
In stock
$5.57 $4.99
Description:The Autolite 4123 Copper Spark Plug is engineered to provide dependable ignition performance, quick engine starts,...
$4.99

Autolite Copper Spark Plug – 4123

Description:
The Autolite 4123 Copper Spark Plug is engineered to provide dependable ignition performance, quick engine starts, and consistent power output. Its copper core center electrode promotes excellent heat transfer, helping maintain optimal operating temperatures while improving resistance to fouling.

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

Autolite copper spark plugs are designed to meet the performance needs of many gasoline engines, making them a trusted replacement option for routine maintenance and reliable engine operation.

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 electrical insulation and durability

  • Nickel-plated shell helps resist corrosion and increase longevity

  • Designed for quick starts and consistent ignition performance

Product Specifications:

  • Part number: 4123

  • 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

  • Thread size: M14 × 1.25

  • Seat type: Flat

  • Washer type: Flat washer

  • Washer included: Yes

  • Hex size: 13/16 in

  • Resistor type: Yes

  • Resistance: 5000 ohms

  • Pre-gap size: 0.7 mm

  • Manufacturer heat range: 11

  • Insulator material: Ceramic

  • Center electrode design: Standard

  • Center electrode projection: Mid projection

  • Electrical terminal type: Removable nut

  • Skirt: Yes

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If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
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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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