5303 Denso Spark Plug OE-Replacement
5303 Denso Spark Plug OE-Replacement
Hurry up, only 8 items left in stock.
5303 Denso Spark Plug OE-Replacement
Upgrade your vehicle's performance with the 5303 Denso Spark Plug OE-Replacement. Combining cutting-edge technology and innovative design, this spark plug is engineered to enhance your engine's efficiency and overall performance.
Main Features:
- Tapered Cut for optimal fit and performance
- U-Groove Ground Electrode for improved spark generation
- World's Smallest 0.4 Millimeter Iridium Center Electrode for maximum energy transfer
- 360 Degree Laser Welding Assembly Process ensuring durability and reliability
- Delivers Maximum Spark Energy even at temperatures exceeding 4000 Degrees Fahrenheit
- Improved Ignitability with lower spark voltage for easier starts
- Enhanced Acceleration compared to regular spark plugs for a more responsive driving experience
- Durable Center Electrode designed for long-lasting performance
- Optimized Spark Ignition for efficient combustion, even with lean air-fuel mixtures
- Suitable for a wide range of performance and power sports applications
- Comes with a limited 90 Day Warranty for your peace of mind
Specifications:
- Reach: 19 Millimeter
- Resistor: Yes
- Electrode Type: U-Groove
- Electrode Core Material: Copper
- Electrode Tip Material: Iridium Rhodium Alloy
- Insulator Type: OEM
- Thread Size: 14 Millimeter
- Seat Type: Tapered
- Wrench Diameter: 5/8 Inch
- Quantity: Single
Experience the difference with the 5303 Denso Spark Plug OE-Replacement – where innovation meets performance for a driving experience like no other.
Couldn't load pickup availability
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

