W22FP-U
Genuine Denso OEM · Part number 4021
The W22FP-U is a genuine Denso accessories part, OEM part number 4021. Dykes Motors sells it for $4.32. 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 Tue, Oct 20. Free shipping on every parts order. Free pickup at 3069 Hwy 49.
Genuine OEM part. Manufacturer warranty honored at our dealership.
Details
The Denso W22FP-U (OEM #4021) is a spark plug designed to provide reliable ignition in compatible engines. This is an application-specific part, so verify your equipment's model and engine number against the fitment list before ordering to ensure correct fit. As a genuine Denso OEM component, it meets original equipment specifications.
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 4021
What machines does part 4021 fit?
We do not list a confirmed fitment for part 4021 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 4021?
Dykes Motors sells the W22FP-U, part number 4021, for $4.32. Price and availability were checked Oct 10, 2026.
Is part 4021 a genuine Denso part?
Yes. Part 4021 is a genuine Denso OEM part.
Is part 4021 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