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Description:
The ACDelco Professional 41-942 Double Platinum Spark Plug is a premium aftermarket replacement designed to deliver reliable ignition performance and long service life. Built with a copper core and double platinum pads on the center and ground electrodes, this spark plug helps maintain consistent voltage demands and reduce wear on the ignition system.
The copper core promotes cooler electrode temperatures, improving durability and resistance to fouling. A one-piece, fired-in suppressor seal blends multiple glass types to create a gas-tight seal that helps regulate spark plug energy, reduce radio frequency interference, and protect against compression pressure for long-term reliability.
Manufactured to meet expectations for fit, form, and function, the ACDelco Professional 41-942 spark plug is designed to provide dependable performance for a wide range of vehicle applications.
Features:
Double platinum pads on center and ground electrodes for long-lasting durability
Copper core electrode helps maintain cooler operating temperatures
Fired-in suppressor seal helps reduce radio frequency and engine interference
Designed to regulate spark plug energy and resist compression pressure
Helps maintain consistent ignition performance and reduce ignition system wear
Premium aftermarket replacement designed for OE-style fit and function
Product Specifications:
Part number: 41-942
UPC: 707773188446
Electrode design: Standard
Center electrode core material: Copper
Center electrode tip material: Platinum
Ground electrode quantity: 1
Ground electrode tip material: Platinum
Thread diameter: 14 mm (0.55 in)
Reach: 17.25 mm (0.68 in)
Seat type: Tapered
Hex size: 16 mm (15.88 mm nominal)
Resistor type: Yes
Pre-gap size: 0.050 in (1.270 mm)
Core nose length: 0.700 in
Electrical terminal type: Non-removable nut
Manufacturer heat range: 14
Package quantity: 1
Country of origin: United States
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).
