RY4C Spark Plug
Genuine Champion OEM · Part number 978
The RY4C Spark Plug is a genuine Champion engine parts part, OEM part number 978. Dykes Motors sells it for $7.17. 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
We accept Visa, Mastercard, American Express, Discover, Apple Pay, Google Pay, Amazon Pay, PayPal, Venmo, and Klarna.
In stock. Ships in 2 to 3 business days, arrives in 1 to 2 more — by Mon, Oct 19. Free shipping on every parts order. Free pickup at 3069 Hwy 49.
Genuine OEM part. Manufacturer warranty honored at our dealership.
Details
Champion RY4C spark plug (OEM #978) ignites the fuel-air mixture in your engine's combustion chamber, which is essential for reliable starting and smooth operation. This is an engine-specific part, so confirm your equipment's model or engine number matches the fitment list before ordering. Genuine Champion OEM part.
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 978
What machines does part 978 fit?
We do not list a confirmed fitment for part 978 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 978?
Dykes Motors sells the RY4C Spark Plug, part number 978, for $7.17. Price and availability were checked Oct 11, 2026.
Is part 978 a genuine Champion part?
Yes. Part 978 is a genuine Champion OEM part.
Is part 978 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