JR8C Spark Plug
Genuine NGK OEM · Part number 5139
The JR8C Spark Plug is a genuine NGK engine parts part, OEM part number 5139. Dykes Motors sells it for $8.37. 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 Wed, Oct 28. Free shipping on every parts order. Free pickup at 3069 Hwy 49.
Genuine OEM part. Manufacturer warranty honored at our dealership.
Details
NGK JR8C spark plug, OEM part number 5139. This genuine NGK spark plug ignites the fuel-air mixture in your engine to keep it running. Confirm your specific equipment model or engine number before ordering, as spark plugs are model-specific and must match your application exactly.
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 5139
What machines does part 5139 fit?
We do not list a confirmed fitment for part 5139 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 5139?
Dykes Motors sells the JR8C Spark Plug, part number 5139, for $8.37. Price and availability were checked Oct 20, 2026.
Is part 5139 a genuine NGK part?
Yes. Part 5139 is a genuine NGK OEM part.
Is part 5139 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