L77JC4 SM Eng Spark Plug
Genuine Champion OEM · Part number 821
The L77JC4 SM Eng Spark Plug is a genuine Champion engine parts part, OEM part number 821. Dykes Motors sells it for $3.86. It is in stock to order online, or you can pick it up at our store. Not sure it fits your machine? Send the model and serial number to the parts desk before you order. Dykes Motors is an authorized Bobcat, LS Tractor, and Ferris dealer with genuine parts and service on site.
Price and availability checked
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In stock. Ships in 2 to 3 business days, arrives in 1 to 2 more — by Thu, Oct 22. Free shipping on every parts order. Free pickup at 3069 Hwy 49.
Genuine OEM part. Manufacturer warranty honored at our dealership.
Details
Champion L77JC4 SM ENG spark plug ignites the fuel-air mixture in small engines to keep them running smoothly. This is an OEM Champion part (number 821), so make sure to verify your engine model or serial number matches the fitment list before ordering. Champion spark plugs are a direct replacement for original equipment on compatible engines.
Verify your fitment before you order
Text your equipment model and serial number to 601.516.7255 and we confirm the exact part before you pay. Prefer to talk? Call (601) 516-7255.
Questions about part 821
What machines does part 821 fit?
We do not list a confirmed fitment for part 821 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.
How much is part 821?
Dykes Motors sells the L77JC4 SM Eng Spark Plug, part number 821, for $3.86. Price and availability were checked Oct 10, 2026.
Is part 821 a genuine Champion part?
Yes. Part 821 is a genuine Champion OEM part.
Is part 821 in stock?
Yes. It is in stock to order online, or you can pick it up at our store.
Visit Us in Collins, MS
3069 Hwy 49, Collins, MS 39428 · (601) 516-7255 · Get directions