How do I confirm pilotpart411283 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

1/2 Inch Chuck 48-66-5185 for Milwaukee Tool Hammer Drill 5378-20 5378-21

Replacement Parts

Portable Power Tools

Portable Power Tools 48-66-5185

OEM / REF: 48-66-5185SKU: pilotpart411283

1/2 Inch Chuck 48-66-5185 for Milwaukee Tool Hammer Drill 5378-20 5378-21 is a Portable Power Tools replacement part for Tools and Accessories applications, categorized under Tools and Accessories > Portable Power Tools. Use OEM part number 48-66-5185 and confirm machine model, engine model, and serial details befor...

Stock: In stock
Condition: New
Fitment: Tools and Accessories applications
Category: Portable Power Tools

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$30.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 13 – Aug 20
10	Aug 11 – Aug 18
50	Aug 9 – Aug 16

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Portable Power Tools Description

This Portable Power Tools is indexed for s: Fit For Milwaukee Tool Hammer Drill: 5378-20, 5378-21. Compare reference number 48-66-5185 against the label on your existing component before ordering.

Additional cross references on file: 5378-21. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

48-66-5185 5378-21

Applications

s: Fit For Milwaukee Tool Hammer Drill: 5378-20, 5378-21

Fitment Notes

Brand or application signal: Tools and Accessories applications
Product family: Portable Power Tools
System category: Tools and Accessories > Power Tools > Portable Power Tools
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.