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Trimmer

Husqvarna 128LD

2-Stroke

The Husqvarna 128LD is a 28.0cc 2-stroke straight-shaft trimmer and one of the most popular homeowner trimmers Husqvarna has ever produced. The detachable shaft system allows swapping between trimmer, edger, blower, and cultivator heads without buying separate machines. It runs a Zama C1Q-W40A carburetor — a common and well-documented replacement item on this model. Routine maintenance: primer bulb, fuel lines, air filter, fuel filter, and trimmer head. Zama C1Q-W40A diaphragm hardening is the most common cause of hard starting or lean-running issues on the 128LD.

See also: 125L, 128L, 135L — parts are often interchangeable within this family.

Spark Plug

OEM577316701(0.6mm gap)

Air Filter

OEM545061801Also fits 125L, 128L, 128LDX
BrandPart #
Stens605-522Buy on Amazon →

Fuel Filter

OEM503446501
BrandPart #
Stens610-035Buy on Amazon →

Carburetor

OEM545081897Zama C1Q-W40A; very common replacement on this model

Primer Bulb

OEM503936601

Fuel Line Kit

OEM544128601Includes fuel pickup line and return line
BrandPart #
Stens115-627Buy on Amazon →

Trimmer Head

OEM531300081T25 Tap Advance; bump-feed
BrandPart #
Oregon55-256Buy on Amazon →

Trimmer Line

OEM(.095" diameter, round)