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Description:
The ACDelco GM Original Equipment 41-983 Spark Plug is engineered and validated to meet the rigorous standards required by General Motors. Designed with a copper core center electrode and platinum ground electrode tip, this spark plug helps provide consistent ignition performance and dependable durability.
The copper core promotes efficient heat transfer, while the platinum electrode material helps extend service life and maintain stable spark performance. Designed for OE fit, form, and function, this spark plug supports efficient combustion and reliable engine operation in compatible applications.
ACDelco GM Original Equipment parts represent components installed during vehicle production or validated by General Motors for GM vehicles, ensuring dependable performance and compatibility.
Features:
GM Original Equipment spark plug engineered to GM standards
Copper core center electrode for improved heat transfer
Platinum electrode material for extended service life
Helps maintain consistent ignition performance and engine efficiency
Resistor design helps reduce electrical interference
Designed for OE fit, form, and function
Product Specifications:
Part number: 41-983
Product line: ACDelco GM Original Equipment
Center electrode core material: Copper
Center electrode tip material: Iridium
Ground electrode core material: Nickel
Ground electrode tip material: Platinum
Ground electrode quantity: 1
Metal type: Double platinum
Thread diameter: 14 mm
Reach: 17.5 mm
Seat type: Tapered
Hex size: 16 mm
Resistor type: Yes
Pre-gap size: 0.06 in
Manufacturer heat range: 14
Insulator height: 52.7 mm
Washer included: No
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.
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).
