Cover - Metering Diaphragm

Name: 21-3401-1 Cover - metering diaphragm
Brand: Walbro
SKU: 21-3401-1

Genuine Walbro OEM · Part number 21-3401-1

The Cover - Metering Diaphragm is a genuine Walbro accessories part, OEM part number 21-3401-1. Dykes Motors sells it for $4.14. 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 Oct 18, 2026

$4.14

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 26. Free shipping on every parts order. Free pickup at 3069 Hwy 49.

Genuine OEM part. Manufacturer warranty honored at our dealership.

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Fits these models

WALBRO CARBURETORHD A2011
WALBRO CARBURETORHD A2061
WALBRO CARBURETORHD A2281
WALBRO CARBURETORHD A2341

Details

This Walbro metering diaphragm cover is a genuine OEM component used in fuel system assemblies to protect and seal the diaphragm mechanism. Confirm your specific equipment model or engine number against the fitment list before ordering, as this part is model-specific. Walbro OEM part number 21-3401-1.

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 21-3401-1

What machines does part 21-3401-1 fit?

We do not list a confirmed fitment for part 21-3401-1 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.