4093 Spark Plug 4093/4 Copper
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4093 Spark Plug 4093/4 Copper
Experience unparalleled performance and reliability with the 4093 Spark Plug 4093/4 Copper. Designed for optimal functionality, this spark plug incorporates several innovative features that set it apart from the competition.
Key Features:
- Copper-Glass Seal: The advanced copper-glass seal bonds the insulator, terminal post, and center electrode, ensuring a full voltage supply at the spark gap for superior ignition.
- Gas-Tight Seal: Enjoy peace of mind with a 100% leak-proof design that keeps your engine running smoothly.
- Multi-Rib Insulator: Reduces the risk of “flash-over,” providing extra safety during high-performance situations.
- One-Piece Terminal Post: Offers added strength and durability, ensuring a longer lifespan for your spark plug.
- Resistor Technology: Minimizes radio frequency interference (RFI) and electrode erosion, enhancing the overall performance of your ignition system.
- Cold-Formed Steel Shell: Features precision rolled threads for easy installation and secure fitting.
- Full Copper Core Electrode: Guarantees better performance under various operating conditions.
Before making your purchase, please verify all cross-reference listings to ensure compatibility with your vehicle. Upgrade to the 4093 Spark Plug 4093/4 Copper and experience the difference in performance and reliability.
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.
