For Echo

Echo PB-770H / PB-770T Carburetor Kit (WYK-345)

4.9 (14)

The biggest Echo backpack gets its own kit: WYK-345/WYK-406 pattern carb, air cleaner, fuel system set, bulb, plug and gasket.

$18.98price at last check, Sep 27, 2026

Fits models

PB-770H
PB-770T
Shindaiwa EB770
Shindaiwa EB770RT

Replaces: WYK-345, WYK-406, A021001870, A021003940, A226000410

Confirm your model number before ordering.

About this kit

The PB-770 moves a lot of air, and its carb draws through a big filter that lets fine grit past once it is torn. If your 770 has lost power or will not idle, we would start by replacing both. This kit does both in one box and also fits the Shindaiwa EB770 and EB770RT.

Replaces Echo A021001870 and A021003940, with an air cleaner that matches A226000410. As with all our carbs, it comes set at the factory, so you bolt it on and go.

Replaces WYK-345, WYK-406, A021001870, A021003940
Air cleaner matches A226000410
Fits Shindaiwa EB770 and EB770RT
Bolt on and go

In the box

1 carburetor
1 air cleaner
1 fuel system kit
1 primer bulb
1 spark plug
1 gasket

For machine brand	Echo
Replaces	WYK-345, WYK-406, A021001870, A021003940, A226000410
Items in the kit	6
Kit options	1
Rating	4.9 / 5 from 14 reviews
Category	Leaf Blower Carburetors & Tune-Up Kits