121 Champion Plugs Spark Plug OE Replacement
121 Champion Plugs Spark Plug OE Replacement
Available in stock (45)
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121 Champion Plugs Spark Plug OE Replacement
The 121 Champion Plugs Spark Plug is designed to deliver reliable performance and durability across a range of applications. With its advanced technology and materials, this spark plug is a top choice for those seeking exceptional quality and performance.
Key Features:
- Dependable Performance: Engineered to provide consistent performance, ensuring your engine runs smoothly.
- Copper Core Center Electrode: Facilitates accurate heat control, optimizing plug performance and extending longevity.
- ISO and SAE Standards: Built to meet rigorous standards for proven reliability and quality.
- Patented SAC-9 Semi-Conductor Resistor: Reduces electromagnetic interference (EMI) and radio frequency interference (RFI) for better engine function.
- Tintac® and Ultraseal™ Shell: Offers superior corrosion protection, eliminating the need for anti-seize compounds.
Specifications:
- Reach: 0.441 Inch
- Resistor: Yes
- Electrode Type: OEM Electrode
- Core Material: Nickel Copper Alloy
- Electrode Tip Material: Nickel Copper Alloy
- Insulator Type: OEM
- Thread Size: 14 Millimeter
- Seat Type: Tapered
- Wrench Diameter: 5/8 Inch Hex
- Quantity: Single
Warranty:
Enjoy peace of mind with a limited 2-year warranty that underscores the confidence in this product's quality and performance.
Upgrade to the 121 Champion Plugs Spark Plug today for long-lasting performance, designed specifically for older automotive engines, lawn and garden applications, and similar engines.
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.

