This Genuine Stihl Air Filter Cover and Air Filter Kit is designed for the Stihl HS45 hedge trimmer. It replaces the complete filtration assembly in one go, helping your machine breathe clean air and run reliably. The kit includes a durable plastic filter cover, a foam pre-filter, and a high-efficiency non‐woven main filter element that traps fine dust and debris before it reaches the carburettor and engine. Using quality materials sized precisely for the HS45, it supports smooth starting, stable idling, and consistent cutting performance. Supplied components correspond to Stihl references: air filter 4140 124 2800, pre‐filter 4228 124 1500, and filter cover 4228 141 0502. A straightforward maintenance choice for tradespeople, grounds teams, and home users who want dependable filtration with genuine fit and finish.

Key Features:
– Genuine Stihl part for assured compatibility and performance on HS45 models
– Complete kit: main filter, foam pre‐filter, and protective cover in one pack
– Durable, impact‐resistant cover and long‐life filter media for regular use
– Helps protect engine and carburettor from dust ingress, reducing wear
– Supports easy starting, smooth idle, and sustained cutting power
– Simple to install and replace with basic tools, clear orientation of parts
– Optimised filtration efficiency for dirty, dusty hedge trimming conditions
– Suitable for routine servicing to maintain fuel efficiency and throttle response
– Cost‐effective preventative maintenance to extend engine and component life
– Stihl sub‐component references: 4140 124 2800, 4228 124 1500, 4228 141 0502

Typical Applications:
Routine servicing of Stihl HS45 hedge trimmers used in garden care, landscaping, and grounds maintenance. Ideal when performance drops, starting becomes harder, or the existing filter shows clogging after work on conifers, leylandii, or dusty hedges. Keeps machines reliable across season‐long use.

Also known as:
HS45 air cleaner kit, HS45 air filter and cover set, hedge trimmer air filter replacement kit, Stihl HS45 service filter kit, foam pre‐filter and main filter pack, HS45 air intake filter kit, Stihl air cleaner cover assembly.

Fits Models:
HS45

Alternate Part Numbers:
400472, 400 472

Product Specifications