How do I confirm pilotpart449491-9126454919416 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

Gearbox Assembly NA017104 for Dewalt Brushless Hammer Drill DCD999 DCD999T1 DCD999NT DCD999X1

For Dewalt Gearbox & Speed Reducer

Gearbox & Speed Reducer DCD999T1 for Dewalt

OEM / REF: DCD999T1SKU: pilotpart449491-9126454919416

Gearbox Assembly NA017104 for Dewalt Brushless Hammer Drill DCD999 DCD999T1 DCD999NT DCD999X1 is a Gearbox & Speed Reducer replacement part for Dewalt Machinery & Equipment, categorized under Machinery & Equipment > Gearbox & Speed Reducer. Use OEM part number DCD999T1 and confirm machine model, engine model, and se...

Stock: In stock
Condition: New
Fitment: Dewalt Machinery & Equipment
Category: Gearbox & Speed Reducer

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$130.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

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.

Gearbox & Speed Reducer Description

This Gearbox & Speed Reducer is indexed for Dewalt s: Fit For Dewalt Brushless Hammer Drill: DCD999, DCD999T1, DCD999NT, DCD999X1. Compare reference number DCD999T1 against the label on your existing Dewalt component before ordering.

Additional cross references on file: DCD999NT, DCD999X1. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

DCD999T1 DCD999NT DCD999X1

Applications

Dewalt s: Fit For Dewalt Brushless Hammer Drill: DCD999, DCD999T1, DCD999NT, DCD999X1

Fitment Notes

Brand or application signal: Dewalt Machinery & Equipment
Product family: Gearbox & Speed Reducer
System category: Machinery & Equipment > Other Machinery & Equipment > Gearbox & Speed Reducer
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.