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Spark Plug
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Champion Spark Plug
Part # 821S
4.92,847 verified reviewsSpark Plug
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Contact us at 1-866-461-2787 for pricing
available
Contact us at 1-866-461-2787 for pricing
Call for PriceFree ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Customer reviews
- Verified
“I've been ordering from Autrex for over 2 years now. Their fitment tool is incredibly accurate, and I've never received a wrong part. The prices are competitive and shipping is always fast. Highly recommend!”
— Michael T., Toronto, ON
- Verified
“Had an issue with a brake caliper that turned out to be defective. Their warranty team handled the replacement quickly and professionally. New part arrived in 3 days. This is how customer service should be!”
— Sarah L., Vancouver, BC
Champion Spark Plug 821S Vehicle Fitment
Fits 0 vehiclesThis Spark Plug fits vehicles.
Champion Spark Plug 821S Specifications
- Plug Type
- L77JC4
- Seat Type
- Flat
- Hex Size
- 20.650
- Hex Size
- 0.813
- Hex Type
- Hex
- Thread Diameter
- 0.551
Champion Spark Plug 821S Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
L77JC4(Champion Spark Plug)
Champion Spark Plug 821S Product Description
Champion Copper Plus Small Engine 821S Spark Plug L77JC4 for Small Engine
Key Features
- BUILT-IN NOISE SUPPRESSION -- Modern resistor technology protects sensitive electronics by minimizing electrical interference
- EASY TO INSTALL -- Pre-gapped design simplifies installation
- OE-QUALITY FIT -- Built to meet OE fit, form and function for dependable performance
- DEPENDABLE STARTS -- Engineered for reliable ignition in all weather conditions
- COPPER CORE PRECISION -- Copper core center electrode allows accurate control of heat range, delivering longer life and dependable performance
- CORROSION RESISTANCE -- Coated shell provides corrosion resistance in harsh environments
Champion® Copper Plus® spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
About Champion Spark Plug
Shop Champion Spark Plug Spark Plug at Autrex with vehicle fitment details, current pricing, and checkout options for the Champion Spark Plug 821S. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Frequently Asked Questions — Champion Spark Plug 821S
What parts does the Champion Spark Plug 821S replace?
The Champion Spark Plug 821S is a direct replacement for Champion Spark Plug L77JC4. See the full interchange list for all compatible replacements.
What are the shipping options for the Champion Spark Plug 821S?
Shipping options for the Champion Spark Plug 821S are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
What is the price of the Champion Spark Plug 821S?
For current pricing on the Champion Spark Plug 821S, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Is the Spark Plug a direct fit replacement?
Yes, the Spark Plug by Champion Spark Plug is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Spark Plug come with?
The Spark Plug comes with the standard Champion Spark Plug manufacturer warranty. Please check the product specifications for exact warranty terms.
