eReplacementParts.com
877-346-4814
Accessories Appliance Parts Exercise Equipment Parts Grill Parts HVAC Parts Lawn Equipment Parts Marine Parts Motorsport Parts Outdoor Recreation Parts Plumbing Parts Pool and Spa Parts Power Tool Parts Restaurant Equipment Parts Vacuum Parts
Blog Repair Center Shop by Tool Type
Orders
Makita Cordless Drill Parts
Preferred Partners of
Repair Parts Home  Power Tool Parts  Makita Parts  Makita Drill / Driver Parts  Makita Cordless Drill Parts  Makita BHP451 Drill / Driver Parts
Makita BHP451 Drill / Driver

Makita BHP451 Drill / Driver Parts

We Sell Only Genuine Makita Parts
Find Part By Symptom

Choose a symptom to view parts that fix it.


Popular Parts
Carbon Brush Set
$5.66
CB440
Belt Hook Screw
$2.99
251314-2
Belt Hook
$2.99
346449-3
Change Lever
$2.99
419250-0
Flat Head Screw
$3.99
251468-5
Tapping Screw
$2.99
266130-9
Brush Holder
$6.92
638431-9
Terminal
$7.17
643838-6
Questions & Answers
Page A
 Fig #
1
Name Plate
 $2.99

Part Number:862348-6

In Stock, 2 available

In Stock, 2 available
 $2.99
In Stock, 2 available
 $2.99
2
Housing Set
 $31.37

Part Number:188031-0

Ships in 7 - 9 business days

Ships in 7 - 9 business days
 $31.37
Ships in 7 - 9 business days
 $31.37
3
Tapping Screw
 $2.99

Part Number:266130-9

In Stock, 7 available

In Stock, 7 available
 $2.99
In Stock, 7 available
 $2.99
4
Speed Change Lever
 $3.99

Part Number:125435-5

Ships in 7 - 9 business days

Ships in 7 - 9 business days
 $3.99
Ships in 7 - 9 business days
 $3.99
5
Change Lever
 $2.99

Part Number:419250-0

In Stock, 17 available

In Stock, 17 available
 $2.99
In Stock, 17 available
 $2.99
6
Switch TG553FSB-4
 $48.77

Part Number:650573-9

In Stock, 2 available

In Stock, 2 available
 $48.77
In Stock, 2 available
 $48.77
7
Light Circuit
 $28.66

Part Number:631692-0

Ships in 7 - 9 business days

Ships in 7 - 9 business days
 $28.66
Ships in 7 - 9 business days
 $28.66
8
Terminal
 $7.17

Part Number:643838-6

In Stock, 3 available

In Stock, 3 available

Note: will need to order Battery BL1830. Old battery will not work.
 $7.17
In Stock, 3 available
 $7.17
9
Flat Head Screw
 $3.99

Part Number:251468-5

In Stock, 25+ available

In Stock, 25+ available
 $3.99
In Stock, 25+ available
 $3.99
11
Flat Washer 13
 $3.99

Part Number:253798-0

In Stock, 1 available

In Stock, 1 available
 $3.99
In Stock, 1 available
 $3.99
12
Gear Assembly
 $77.43

Part Number:125430-5

In Stock, 5 available

In Stock, 5 available
 $77.43
In Stock, 5 available
 $77.43
13
Yoke Unit
 $40.10

Part Number:638425-4

In Stock, 10 available

In Stock, 10 available
 $40.10
In Stock, 10 available
 $40.10
14
Armature
 $44.25

Part Number:619165-3

In Stock, 5 available

In Stock, 5 available
 $44.25
In Stock, 5 available
 $44.25
15
Brush Holder
 $6.92

Part Number:638431-9

In Stock, 3 available

In Stock, 3 available
 $6.92
In Stock, 3 available
 $6.92
16
Carbon Brush Set
 $5.66

Part Number:CB440

In Stock, 12 available

In Stock, 12 available
 $5.66
In Stock, 12 available
 $5.66
17
Rubber Pin 4
 $2.99

Part Number:263032-0

In Stock, 5 available

In Stock, 5 available
 $2.99
In Stock, 5 available
 $2.99
18
Rear Cover
 $8.55

Part Number:419642-3

In Stock, 1 available

In Stock, 1 available
 $8.55
In Stock, 1 available
 $8.55
19
Tapping Screw
 $2.99

Part Number:266130-9

In Stock, 7 available

In Stock, 7 available
 $2.99
In Stock, 7 available
 $2.99
20
Pan Head Screw
 $2.99

Part Number:911006-2

Backorder: No ETA

Backorder: No ETA
 $2.99
Backorder: No ETA
21
Heatsink
 $2.99

Part Number:689145-3

In Stock, 1 available

In Stock, 1 available
 $2.99
In Stock, 1 available
 $2.99
22
Leaf Spring
 $2.99

Part Number:232220-0

Backorder: No ETA

Backorder: No ETA
 $2.99
Backorder: No ETA
23
Housing Set
 $31.37

Part Number:188031-0

Ships in 7 - 9 business days

Ships in 7 - 9 business days
 $31.37
Ships in 7 - 9 business days
 $31.37
24
Tapping Screw Flange PF4X20
 $2.99

Part Number:266045-0

Ships in 7 - 9 business days

Ships in 7 - 9 business days
 $2.99
Ships in 7 - 9 business days
 $2.99
25
Belt Hook
 $2.99

Part Number:346449-3

In Stock, 17 available

In Stock, 17 available
 $2.99
In Stock, 17 available
 $2.99
26
Belt Hook Screw
 $2.99

Part Number:251314-2

In Stock, 25+ available

In Stock, 25+ available
 $2.99
In Stock, 25+ available
 $2.99
Bit Holder
 $3.99

Part Number:452947-8

In Stock, 25+ available

In Stock, 25+ available

Note: You may need to order the screw to mount this. Part # 251314-2
 $3.99
In Stock, 25+ available
 $3.99
1005
18V Lithium-Ion Battery Charger
 $208.40

Part Number:DC18RC

In Stock, 1 available

In Stock, 1 available
 $208.40
In Stock, 1 available
 $208.40
1006
Battery Cover
 $3.35

Part Number:450128-8

In Stock, 14 available

In Stock, 14 available
 $3.35
In Stock, 14 available
 $3.35
Miscellaneous Parts
 Fig #
1009
18V 3.0Ah Lithium Ion Battery
 $203.52

Part Number:BL1830B

In Stock, 7 available

In Stock, 7 available
 $203.52
In Stock, 7 available
 $203.52
Drill Parts  Cordless Drill Parts
Repair Guides
How to Remove a Drill Chuck

This video explains steps for how to remove threaded-on chucks and taper-fit drill chucks, as well as steps for removing a spindle from an open-center chuck.

Tool Diagnosis: Is it the Brushes or the Switch?

This article describes the differences between power switch and carbon brush failure symptoms.

Power Switch Repair 101

This article is a 101 repair guide for power tool switch replacements, explaining the general steps involved in replacing a switch assembly.

Power Tool Care and Maintenance 101

This article suggests guidelines for power tool care and maintenance. It also describes information tools available at eReplacementParts.com.

Accessories
Accessories for the Makita BHP451

Questions & Answers
No questions have been asked yet
Discussion
Discussion for the

Discussion is closed. To ask our experts a question about a part, use the Q&A feature on our product pages.
Question: BHP451

henryent

can I replace the battery connector plate on this drill so that the new 5.0ah battery fits?
WJA
The two parts are not compatible.
WJA
Question: About Size

Tina

Hello Tina

The dimensions of the CB-440 brushes are 1/2 inch long, 3/8 inch wide & 3/32 inch thick.

-WJA
Question: Chuck Replacenemt

craig

How do you remove the chuck on a bhp451? I have the screw removed but I can't break the chuck loose from the gear drive.
In our shop, we use an impact wrench with a hex shank to remove chucks.
WJA
Hello Craig,

Here is a link to an article and video to aid you in the procedure of removing a drill chuck.
How to remove a drill chuck.

Hope this helps,
WJA

Organize Your Home in a Snap!

The Fix App makes it easy to manage all your stuff in one place. Just snap a photo and we'll find and store your user manuals, receipts, and product information in one easy-to-find place!

"Like magic. I took a picture of the model number on my refrigerator, and the app identified it right away ... Very convenient. I'm impressed."
★★★★★ -Clever Jeff ★★★★★

Available on the App Store Get it on Google Play Learn More 🠚
Black & Decker Dewalt Parts Ryobi Parts MTD Parts DeLonghi Parts
Mr. Coffee Parts Hoover Parts Canon Parts Millions of Parts
From Top Brands
Customer Service Website Information Shipping Information

Need Help?

Please call us toll free:

7AM-12AM, Daily (ET)

877-346-4814

View Directions
eReplacementParts.com
7036 South High Tech Dr.
Midvale, UT 84047
Customer Service
Website Information
Shipping Information
Connect
Copyright © 2023 eReplacementParts.com Inc.
View Directions
eReplacementParts.com
7036 South High Tech Dr.
Midvale, UT 84047
visa mastercard discover american express PayPal