Bullwall carburetor for Echo PB770, front view, reliable replacement part
Bullwall carburetor for Echo PB770, side view, easy-to-install option
Bullwall carburetor for Echo PB770, top view, compact and precise layout
Bullwall carburetor for Echo PB770, in-package with gasket and filters
Wal-bro WYK-406 compatibility with Bullwall carburetor components
Bullwall carburetor close-up showing primer bulb and fuel lines
Bullwall carburetor with assembled kit for Echo PB770
Bullwall carburetor replacement for Echo PB770 series installation-ready

Bullwall

Bullwall Carburetor for Echo PB770 Series – Replacement A021003940/A021001870 & Wal-bro WYK-406

High-performance patio lawn and garden made for confident daily results

$20.65

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium patio lawn and garden quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Return & RefundEasy returns and policy details Shipping PolicyDelivery process and tracking info
Share

Why customers choose PatioZora Garden

Overview

The Bullwall carburetor is designed as a practical replacement for Echo PB770 family and select Shindaiwa and Wal-bro units. It targets dependable fuel delivery and smoother starts without requiring a full blower teardown. This component fits the original design intent, helping you keep your backpack blower ready for seasonal tasks and routine maintenance.

Engineers matched mounting points, inlet/outlet sizing, and overall form to support a seamless swap for Echo PB770, PB-770H, and PB-770T variants, as well as compatible Wal-bro WYK-406 models. While performance can vary with overall system condition, this replacement aims to restore the familiar throttle response and idle stability that users rely on during busy outdoor workdays.

In everyday use, a well-matched carburetor can contribute to steadier fuel delivery and easier startups, making it simpler to complete quick cleanup tasks, yard work, or seasonal maintenance checks. The kit includes a full set of wear parts so you can proceed with confidence when refreshing the carburetor assembly.

What’s Included

  • one 770 carburetor
  • gasket
  • primer bulb
  • air filter
  • fuel tank vent
  • fuel filter
  • two feet of fuel line
  • fuel grommet
  • spark plug

Key Compatibility and Fit

  • Replaces Echo A021001870 and A021003940 on PB770 family units
  • Fits PB-770T models and related Echo PB770 variants
  • Compatible with Wal-bro WYK-406 and WYK-406-1 packages
  • Suitable for Shindaiwa EB770RT backpack blower variants

Why Choose Bullwall

  • Direct replacement part designed to align with the original airflow and mounting geometry
  • Includes essential wear components to support a complete rebuild
  • Simple swap for users upgrading or restoring older units
  • Packaging is oriented toward practical maintenance and field-ready use

Note: Results depend on the overall condition of your blower and related fuel system. Consider this replacement as a way to refresh fuel delivery and combustion routines when symptoms suggest wear or wear-related inconsistencies.

FAQ

Q: Is this Bullwall carburetor compatible with Echo PB770 models?

A: Yes. It’s designed to replace Echo PB770 family models including PB770H and PB770T, and works with related Wal-bro/WYK-406 units.

Q: What comes in the kit?

A: Includes one 770 carburetor, gasket, primer bulb, air filter, fuel tank vent, fuel filter, two feet of fuel line, fuel grommet, and a spark plug.

You may also like