K20PR-U11
Genuine Denso OEM · Part number 3121
The K20PR-U11 is a genuine Denso accessories part, OEM part number 3121. Dykes Motors sells it for $5.43. 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 Fri, Oct 16. Free shipping on every parts order. Free pickup at 3069 Hwy 49.
Genuine OEM part. Manufacturer warranty honored at our dealership.
Details
This is a genuine Denso K20PR-U11 spark plug (OEM part number 3121), designed to ignite the fuel-air mixture in compatible engines. Spark plugs are engine-specific components, so confirm your equipment's make and model number against the fitment list before ordering to ensure proper fit.
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 3121
What machines does part 3121 fit?
We do not list a confirmed fitment for part 3121 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 3121?
Dykes Motors sells the K20PR-U11, part number 3121, for $5.43. Price and availability were checked Oct 10, 2026.
Is part 3121 a genuine Denso part?
Yes. Part 3121 is a genuine Denso OEM part.
Is part 3121 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