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Milwuakee SPROCKET (45-44-4002)

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$7.77
In Stock
SKU
45-44-4002
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Know Before You Order

Some orders ship faster than others

We stock tens of thousands of parts in our warehouse, and most in-stock orders ship within 24 business hours. Because we specialize in hard-to-find tool parts, some items are sourced directly from the manufacturer after your order is placed and may require 10–14 business days before shipment. We believe in being transparent about timelines so you know what to expect before ordering. If timing is critical, please contact with your part number for an estimated delivery timeframe.

Why does M&M Tool Parts offer parts other companies don’t?

As a family-owned business, we’ve built long-standing relationships with trusted manufacturers across the industry. These partnerships allow us to source specialty parts that are often unavailable through larger retailers or online marketplaces. In many cases, M&M Tool Parts provides one of the few reliable ways to obtain these components — and we work hard to get them to you as quickly as possible.

What should I expect after placing my order?

Our team begins processing orders immediately. If your item is stocked locally, you’ll typically receive tracking information within 24 business hours. For manufacturer-sourced items, we coordinate directly with vendors to secure and ship your order as efficiently as possible. We understand downtime is frustrating, and we sincerely appreciate your patience while we help source parts that can often be difficult to find elsewhere.

45-44-4002 SPROCKET (Milwaukee Authentic Spare Part)
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The Milwaukee 45-44-4002 Drive Sprocket is a genuine OEM replacement sprocket designed for the Milwaukee 2727-20 M18 FUEL Chainsaw. This steel, 6-tooth sprocket engages the drive links of the saw chain and transfers power from the chainsaw's drive system to move the chain around the guide bar.

Product Specifications

Part Number: 45-44-4002
Part Type: Chainsaw Drive Sprocket
Manufacturer: Milwaukee Tool
Material: Steel
Tooth Count: 6 Teeth
Application: M18 FUEL Chainsaw
Condition: Genuine OEM Milwaukee Replacement Part

Tool Compatibility

The Milwaukee 45-44-4002 Drive Sprocket is designed for the Milwaukee M18 FUEL Chainsaw platform.

Compatible Model: Milwaukee 2727-20 M18 FUEL Chainsaw

Milwaukee chainsaws may have different serial and production revisions. Verify your specific model and applicable Milwaukee service parts diagram before ordering to ensure proper fitment.

Part Function

The 45-44-4002 sprocket is part of the chainsaw's chain-drive system. As the drive system rotates the sprocket, its teeth engage the chain's drive links and propel the saw chain around the guide bar. Because the sprocket is in continuous contact with the moving chain during operation, it is a normal wear component within the chainsaw's drive system.

When to Replace the Drive Sprocket

Replacement may be necessary if the original sprocket develops excessive wear, damaged or deformed teeth, deep wear grooves, or other physical damage that prevents proper engagement with the saw chain. The drive sprocket should be inspected when servicing or replacing a worn chain and guide bar.

Using the correct sprocket helps maintain proper engagement between the chainsaw's drive system and saw chain. Always verify the chain, guide bar, and sprocket specifications for your chainsaw before returning the tool to service.

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