4316 Spark Plug 4316/4 Copper
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4316 Spark Plug 4316/4 Copper
Introducing the 4316 Spark Plug, a top-tier ignition component designed to elevate your engine's performance. Crafted with precision and engineered to endure, this spark plug is the perfect choice for anyone seeking reliability and efficiency.
Key Features:
- Copper-Glass Seal: The innovative copper-glass seal bonds the insulator, terminal post, and center electrode, ensuring a gas-tight seal that is 100% leak proof. This guarantees the full required voltage reaches the spark gap.
- Multi-Rib Insulator: Our advanced multi-rib insulator significantly reduces the risk of “flash-over,” enhancing safety and performance.
- One-Piece Terminal Post: Designed for durability, the one-piece terminal post offers added strength and stability for long-lasting use.
- Resistor Technology: This spark plug features a built-in resistor that minimizes radio frequency interference (RFI) and reduces electrode erosion, promoting longer service life.
- Cold-Formed Steel Shell: With precision rolled threads, the cold-formed steel shell ensures a tight fit and robust construction, capable of withstanding the toughest conditions.
- Full Copper Core Electrode: The full copper core electrode delivers superior performance across all operating conditions, enhancing engine responsiveness and efficiency.
Ensure you verify all cross-reference listings before purchase to guarantee compatibility with your engine. Choose the 4316 Spark Plug for unmatched quality and performance!
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.

