Lifetime Warranty
[Lifetime Warranty] 511010601 Trimmer Head - Pack of 3
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Regular price
$36.32
Regular price
$41.77
Sale price
$36.32
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511010601 Trimmer Head - Pack of 3
Key Features
- Package includes three complete trimmer head assemblies.
- Arbor Size: 10mm x 1.25mm Left-Hand Thread.
- Features a manual tap-to-advance line feeding mechanism.
- Split-spool construction allows for simplified trimmer line loading.
Replaces / Cross-Reference Part Numbers
- RedMax: 511010601
- Stens: 385-220
Compatibility & Fitment
- Fits select trimmers requiring a 10mm x 1.25mm left-hand thread arbor.
- RedMax Models: BC225DL, BC250, BC3400, BC4400, BCX2600S, BCZ2400S, BCZ2450S, BCZ2460S, BCZ2460TS, BCZ2660TS, BCZ3000S, BCZ3000SW, PT104, PT104 Plus, TR2300S, TR2350S.
- Honda Models: UMK422LNA, UMK431E, UMK435E.
When to Replace
- Housing is cracked, broken, or excessively worn from ground contact.
- Line fails to advance properly when the head is tapped.
- Trimmer line frequently melts, jams, or tangles inside the spool.
- Line exit eyelets are worn through, causing premature line breakage.
- Excessive vibration is felt during operation.
Installation Tips
- Disconnect the spark plug wire before starting work.
- Lock the trimmer's gear head from rotating, typically by inserting a small screwdriver or pin into the designated locking hole.
- Unscrew the old trimmer head by turning it clockwise (it has a left-hand thread).
- Thread the new head on by turning it counter-clockwise until it is hand-tight.
- Do not use tools to overtighten the new head onto the shaft.
