Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Autolite Copper Core Spark Plugs Deliver Quick Starts, Good Fuel Economy, And Smooth Acceleration. The Copper-Glass Seal Bonds Insulator And Terminal Post Center Electrode Together To Ensure Full Required Voltage At Spark Gap, Creating A Gas-Tight Seal That Is 100 Percent Leak-Proof. Copper Core Spark Plugs Feature A Cold-Formed Steel Shell And Precision Rolled Threads, And A One-Piece Terminal Post That Adds Strength. The Multi-Rib Insulator Reduces The Danger Of 'Flash-Over' To Prevent Misfires, And The Resistor Reduces Radio Frequency Interference (Rfi) And Electrode Erosion. The Full Copper Core Electrode Provides Better Performance In All Conditions. Autolite Copper Core Plugs Are Your Industry Standard.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What are the benefits of using Autolite 5503 Copper Resistor Spark Plugs?A: Autolite 5503 Copper Resistor Spark Plugs provide maximum performance due to their full copper core electrode, which enhances thermal conductivity. This design ensures better performance in all conditions, leading to quicker starts, improved fuel economy, and smoother acceleration.
Q: Are these spark plugs compatible with all vehicle types?A: While Autolite 5503 Copper Resistor Spark Plugs are designed for a wide range of vehicles, it’s essential to check your vehicle’s specifications for compatibility. They are suitable for many automotive applications, but always refer to your owner's manual or consult a professional for the best fit.
Q: How do I properly install Autolite 5503 spark plugs?A: To install Autolite 5503 spark plugs, first ensure the engine is cool. Remove the old spark plugs using a spark plug socket. Apply a small amount of anti-seize compound to the threads of the new plugs and torque them to the manufacturer’s specifications. Always handle the plugs carefully to avoid damage.
Q: What makes Autolite spark plugs durable and reliable?A: Autolite spark plugs are engineered with a copper-glass seal that bonds the insulator and terminal post center electrode, providing a leak-proof design. This, combined with a heat-fused internal seal, enhances their durability and reliability, ensuring long-lasting performance.
Q: Do Autolite 5503 spark plugs help reduce engine misfires?A: Yes, the multi-rib insulator on Autolite 5503 spark plugs significantly reduces the risk of flash-over, which can lead to engine misfires. This feature, along with their resistor design to minimize radio frequency interference, contributes to the overall reliability of your engine's performance.
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