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Champion 523 Spark Plug
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Champion 523 Spark Plug

CHAMPION
ELE1994
In stock
$19.31 $10.99
Description The Champion 523 Spark Plug is engineered for reliable ignition performance in demanding industrial and...
$10.99
Champion 523 Spark Plug
Description

Description

The Champion 523 Spark Plug is engineered for reliable ignition performance in demanding industrial and agricultural applications. Developed with Champion’s global engineering expertise from Federal-Mogul, this spark plug is designed to perform consistently in high-compression engines and high-load service environments.

Constructed with durable nickel electrode materials and precision manufacturing, the Champion 523 provides dependable spark delivery and long service life. Its flat seat configuration, removable terminal nut, and factory pre-gap allow for straightforward installation across a range of heavy-duty engines used in construction, compressor, and industrial equipment.

Designed to withstand high temperatures and aggressive operating conditions, the Champion 523 helps maintain stable combustion and reliable engine starting in equipment where durability and consistent performance are essential.

Features

  • Designed for high-compression and aggressive operating environments

  • Manufactured for long-lasting durability

  • Backed by global engineering from Federal-Mogul

  • Standard replacement spark plug for industrial and heavy-duty equipment

  • Nickel center electrode for dependable ignition performance

  • Nickel copper alloy ground electrode for durability

  • Pre-gapped at 0.030 in (0.78 mm) for installation convenience

  • Flat seat design for proper fitment

  • Non-resistor construction

  • Removable terminal nut for flexible ignition wire connections

Specifications

  • Part Description: Spark Plug

  • Center Electrode Tip Material: Nickel

  • Center Electrode Design: Standard

  • Center Electrode Diameter: 0.125 in

  • Ground Electrode Quantity: 1

  • Ground Electrode Tip Material: Nickel

  • Ground Electrode Core Material: Nickel

  • Ground Electrode Material: Nickel Copper Alloy

  • Pre-Gap Size: 0.030 in / 0.78 mm

  • Hex Size: 0.875 in / 22.230 mm

  • Manufacturer Heat Range: 23

  • Seat Type: Flat

  • Reach: 0.625 in

  • Thread Diameter: 0.709 in / 18.000 mm

  • Resistor Type: No

  • Electrical Terminal Type: Removable Nut

  • Hex Type: Hex

  • Installed Height: 2.66 in

  • Taper Diameter: 0.45 in

  • Classification: Champion Agricultural Plugs

  • Grade Type: Standard Replacement

  • Subject to Prop 65: No

Fitment

Compatible with a variety of industrial engines and heavy equipment applications, including models from manufacturers such as:

  • Koehring — various equipment models

  • GarWood — various equipment models

  • Hall-Scott Crabs

  • Lima — multiple equipment models

  • Bradley-Republic — various equipment models

  • Quick Way 85A

Industrial compressor and equipment applications including:

  • Gardner-Denver K325

  • Gardner-Denver K369

  • Gardner-Denver K393

  • Gardner-Denver K428

  • Gardner-Denver GF6

  • Gardner-Denver GF638

  • Gardner-Denver L468

  • Gardner-Denver L525

Additional equipment applications include models from Joy industrial equipment.

Verify engine specifications and manufacturer recommendations to confirm correct spark plug fitment before installation.

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Shipping

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.

Shipping Methods
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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