Product Description
Product Description
The Redmax 521609301 reed valve is an original equipment manufacturer (OEM) replacement component engineered to meet exact factory specifications. In a two-cycle engine, the reed valve assembly ensures that the crankcase fills with air/fuel only when appropriate, contributing to proper compression and timing.
Over time, reed valves can become worn, cracked, or misshapen due to heat, vibration, fuel exposure, and general use — leading to hard starting, low power, poor throttle response, or rough idle. Replacing a worn or damaged reed valve with this genuine OEM part restores proper intake functioning and helps the engine operate closer to its original performance.
This is a direct OEM replacement — engineered for a precise fit when matched to the correct model and engine.
Specifications
-
Part Number: 521609301
-
Part Type: Reed Valve / Intake Valve
-
Brand: Redmax (OEM)
-
Condition: New OEM Replacement
-
Material: Factory-specified flexible reed petals + housing
-
Function: Controls airflow into the crankcase for proper two-cycle engine operation
-
Application: Two-cycle engines on compatible Redmax handheld outdoor power equipment
Features
-
Genuine OEM Redmax reed valve assembly
-
Engineered to factory design for optimal intake control
-
Helps improve starting, throttle response, and engine efficiency
-
Durable materials designed for two-stroke engine operation
-
Direct OEM fit — no trimming or modification
Replaces / Supersedes (Verified Only)
Verified Redmax parts catalogs list 521609301 as the official factory designation.
There are no confirmed alternate or superseded part numbers documented for this reed valve in official Redmax OEM references.
Used On (Verify Before Ordering)
This reed valve is documented in official Redmax OEM parts diagrams where 521609301 appears in the intake assembly of compatible equipment, such as:
-
Redmax BCZ230TS string trimmers
-
Redmax BCZ250S / BCZ260S string trimmers
-
Redmax HTZ2401 brushcutters
-
Redmax CHTZ2400 / CHTZ2401 hedge trimmers
(Fitment may vary depending on the exact engine configuration and production year — always verify your specific machine’s OEM parts diagram before ordering.)
Please verify fitment with your exact model before ordering.
Need assistance? Please email Orders@mowpart.com.
