UR4 Spark Plug
Genuine NGK OEM · Part number 6630
The UR4 Spark Plug is a genuine NGK engine parts part, OEM part number 6630. Dykes Motors sells it for $3.99. 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 Fri, Oct 23. Free shipping on every parts order. Free pickup at 3069 Hwy 49.
Available now: Rotary 5857
5857 SPARK PLUG NGK UR4
Listed as a replacement for NGK 6630. This is a Rotary part, not NGK. Confirm the fit for your engine before you order, or call the parts desk at (601) 516-7255.
$3.25
Genuine OEM part. Manufacturer warranty honored at our dealership.
Details
NGK UR4 spark plug (OEM #6630). Spark plugs ignite the fuel-air mixture in the engine combustion chamber, directly affecting engine starting, performance, and efficiency. This is an engine and model-specific part—confirm your equipment's engine number against the fitment list before ordering. Genuine NGK 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 6630
What machines does part 6630 fit?
We do not list a confirmed fitment for part 6630 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 6630?
Dykes Motors sells the UR4 Spark Plug, part number 6630, for $3.99. Price and availability were checked Oct 17, 2026.
Is part 6630 a genuine NGK part?
Yes. Part 6630 is a genuine NGK OEM part.
Is part 6630 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