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Description:
The ACDelco GM Original Equipment 41-902 Double Platinum Spark Plug is designed, engineered, and tested to meet the strict performance standards required by General Motors. Featuring a copper core and platinum pads on both the center and ground electrodes, this spark plug delivers consistent ignition performance and long-lasting durability.
As a GM Original Equipment component, the 41-902 spark plug is the same part installed during vehicle production or validated by General Motors for use in GM vehicles. The double platinum electrode design helps reduce electrode wear, maintain stable spark delivery, and support efficient combustion across extended service intervals.
Built for OE fit, form, and function, this spark plug helps maintain reliable engine performance and smooth operation in compatible GM applications.
Features:
Double platinum pads on center and ground electrodes for extended service life
Copper core center electrode for improved conductivity and heat transfer
Engineered and validated to GM Original Equipment standards
Helps maintain consistent ignition performance and engine efficiency
Resistor design reduces electrical interference
Pre-gapped for installation convenience
Non-removable terminal nut design
Product Specifications:
Part number: 41-902
Electrode design: Standard
Center electrode core material: Copper
Center electrode tip material: Platinum
Ground electrode material: Nickel
Ground electrode tip material: Platinum
Ground electrode quantity: 1
Thread diameter: 14 mm
Reach: 17.5 mm (0.689 in)
Seat type: Tapered
Hex size: 16 mm
Resistor type: Yes
Approximate resistor value: 3–10 kΩ
Pre-gap size: 0.060 in (1.525 mm)
Core nose length: 0.700 in
Electrical terminal type: Non-removable nut
Manufacturer heat range: 14
Package quantity: 4
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).
