-3%
  • 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.

ACDelco GM Original Equipment Copper Spark Plug – R44LTS6

ACDelco
ELE1857
In stock
$5.15 $4.99
Description:The ACDelco R44LTS6 GM Original Equipment Conventional Spark Plug is engineered and validated by General Motors...
$4.99

ACDelco GM Original Equipment Copper Spark Plug – R44LTS6

Description:
The ACDelco R44LTS6 GM Original Equipment Conventional Spark Plug is engineered and validated by General Motors to meet strict OE standards for ignition performance and reliability. Designed as a direct replacement for factory-installed spark plugs, it provides dependable starting, smooth engine operation, and efficient combustion.

The copper core center electrode helps promote excellent heat transfer, supporting proper operating temperatures and improved durability. A nickel alloy center electrode tip and nickel ground electrode help maintain consistent ignition performance, while the built-in resistor helps reduce electrical interference with vehicle electronics.

ACDelco GM Original Equipment spark plugs are the same parts installed during vehicle production or validated by GM engineers, ensuring proper fit, function, and reliability for many GM vehicles and compatible applications.

Features:

  • GM Original Equipment spark plug engineered and validated by General Motors

  • Copper core center electrode improves heat transfer and durability

  • Nickel alloy electrode tip supports consistent ignition performance

  • Resistor design helps reduce electrical interference

  • Designed for reliable ignition and efficient engine operation

  • OE-style replacement for many GM vehicles

Product Specifications:

  • Part number: R44LTS6

  • Product line: ACDelco GM Original Equipment

  • Center electrode core material: Copper

  • Center electrode tip material: Nickel alloy

  • Ground electrode core material: Nickel

  • Ground electrode quantity: 1

  • Thread diameter: 14 mm (0.55 in)

  • Seat type: Tapered

  • Reach: 0.68 in (17.25 mm)

  • Hex size: 5/8 in

  • Resistor type: Yes

  • Pre-gap size: 0.06 in (1.52 mm)

  • Manufacturer heat range: 3

  • Package quantity: 4

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

×