Original Makita 450237-3 — Cap Holder: a genuine Makita replacement cap holder (part no. 450237-3) designed for the crank/cover area on several Makita rotary hammers.
Fits and function: this cap holder secures the filter/crank cap assembly and is listed on parts diagrams for HR3210C / HR3210FCT / HR3540C and HR3541FC
What you get: a direct-fit cap holder that replaces a cracked or missing cover retainer to restore proper seating of the adjacent filter/cap. It’s a simple, drop‑in replacement that keeps the crank cover and filter correctly located.
Use case: buy this original Makita cap holder when you need correct Makita parts to return a hammer to service, especially for routine repairs on HR3-series rotary hammers; it’s one of those small but essential power tool parts that prevents dust entry and maintains proper assembly.
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