Gift CardContactAbout
0 My Cart

Your cart is currently empty.

Continue shopping
Total: $0.00
View cart
Toggle menu
0
  • Home
  • Autolite Platinum Spark Plug – AP5125
-2%
Autolite Platinum Spark Plug – AP5125
Autolite Platinum Spark Plug – AP5125
Load image into Gallery viewer, Autolite Platinum Spark Plug – AP5125
Load image into Gallery viewer, Autolite Platinum Spark Plug – AP5125

Have Questions?

(425) 295-1665 Ask an Experts

  • Trusted by Racers

    Professional-grade parts used trackside.

  • Real Support, Real People

    Expert help during business hours.

  • Secure Shopping

    Encrypted checkout & trusted payments.

  • Fast U.S. Shipping

    Orders ship quickly from regional warehouses.

Autolite Platinum Spark Plug – AP5125

AUTOLITE
ELE1911
In stock
$10.29 $9.99
Description:The Autolite AP5125 Platinum Spark Plug is designed to deliver reliable ignition performance, smoother engine starts,...
$9.99
Autolite Platinum Spark Plug – AP5125
Description

Description:
The Autolite AP5125 Platinum Spark Plug is designed to deliver reliable ignition performance, smoother engine starts, and improved overall efficiency. Featuring a platinum center electrode firing tip, this spark plug helps resist gap erosion and maintain consistent spark delivery, providing longer service life compared to traditional copper plugs.

Its copper core center electrode improves heat transfer to help maintain stable operating temperatures and reduce fouling. The high alumina ceramic insulator offers excellent thermal conductivity and electrical insulation for dependable ignition performance. A multi-rib insulator design helps prevent flash-over, while the corrosion-resistant nickel-plated shell enhances durability and protects against rust.

Autolite platinum spark plugs are engineered to provide dependable performance across many gasoline engines, making them a reliable replacement for maintaining smooth engine operation and fuel efficiency.

Features:

  • Platinum firing tip helps prevent gap erosion and extend spark plug life

  • Copper core center electrode improves heat transfer and ignition stability

  • Multi-rib ceramic insulator helps prevent flash-over

  • High alumina ceramic insulator improves durability and thermal conductivity

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

Product Specifications:

  • Part number: AP5125

  • Brand: Autolite

  • Product type: Platinum spark plug

  • Center electrode core material: Copper

  • Center electrode tip material: Platinum

  • Ground electrode core material: Nickel

  • Ground electrode tip material: Nickel

  • Ground configuration: Single

  • Ground electrode quantity: 1

  • Thread diameter: 14 mm

  • Seat type: Tapered

  • Washer included: No

  • Reach: 0.54 in

  • Hex size: 21 mm

  • Resistor type: Yes

  • Resistance: 4000 ohms

  • Pre-gap size: 0.044 in

  • Manufacturer heat range: 8

  • Insulator material: Ceramic

  • Center electrode design: Standard

  • Center electrode projection: Extra-long projection

  • Electrical terminal type: Non-removable nut

  • Skirt: No

Read More
Read Less

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).

Your cart

×