Makita BHP451 spare parts

Hammer Drills

Click a part on the diagram, or find it in the list by its number. Select as many parts as you need and add them to your cart together. All parts are genuine Makita and special order, ordered in once you buy.

Tip: tap parts to select them, tap again to unselect
Makita BHP451 exploded parts diagram 1 · Name Plate BHP451 (862348-6) 2 · Housing Set (187142-8) 3 · Tapping Screw Bind PT 3x16 (266130-9) 4 · Speed Change Lever Ass'y (125435-5) 5 · F/R Change Lever (419250-0) 6 · Switch TG553FSB-4B (650653-1) 7 · Light Circuit (631692-0) 8 · Terminal (644808-8) 9 · - Flat Head Screw M6x22 (251468-5) 10 · Keyless Drill Chuck 13 (763196-5) 11 · Flat Washer 13 (253798-0) 12 · Gear Ass'y (125430-5) 13 · Yoke Unit (638425-4) 14 · Armature (619165-3) 15 · Brush Holder Complete (638849-4) 16 · Carbon Brush CB-440 (195021-6) 17 · Rubber Pin 4 (263032-0) 18 · Rear Cover (419642-3) 19 · Tapping Screw Bind PT 3x16 (266130-9) 20 · Pan Head Screw M3x8 (911006-2) 21 · Heatsink (689145-3) 22 · Leaf Spring (232220-0) 23 · Housing Set (187142-8) 24 · Tapping Screw 4x20 (266045-0) 25 · Hook (346317-0) 26 · + Screw M4x12 (251314-2)
  1. 1
    Name Plate BHP451 862348-6
    Discontinued Call or email to check availability Call (03) 5241 9555 Email us
  2. 2
    Housing Set 187142-8 Includes part 23; Includes part 23
    $113.04
  3. 3
    Tapping Screw Bind PT 3x16 266130-9 Qty used: 8
    $3.95
  4. 4
    Speed Change Lever Ass'y 125435-5
    $11.47
  5. 5
    F/R Change Lever 419250-0
    $5.32
  6. 6
    Switch TG553FSB-4B 650653-1
    $96.74
  7. 7
    Light Circuit 631692-0
    $85.54
  8. 8
    Terminal 644808-8
    $5.52
  9. 9
    - Flat Head Screw M6x22 251468-5
    $3.95
  10. 10
    Keyless Drill Chuck 13 763196-5
    $92.52
  11. 11
    Flat Washer 13 253798-0
    $4.00
  12. 12
    Gear Ass'y 125430-5
    $271.26
  13. 13
    Yoke Unit 638425-4
    Discontinued Call or email to check availability Call (03) 5241 9555 Email us
  14. 14
    Armature 619165-3
    $44.01
  15. 15
    Brush Holder Complete 638849-4
    $14.01
  16. 16
    Carbon Brush CB-440 195021-6
    $4.35
  17. 17
    Rubber Pin 4 263032-0 Qty used: 2
    $3.95
  18. 18
    Rear Cover 419642-3
    $23.84
  19. 19
    Tapping Screw Bind PT 3x16 266130-9 Qty used: 2
    $3.95
  20. 20
    Pan Head Screw M3x8 911006-2
    $3.95
  21. 21
    Heatsink 689145-3
    $4.20
  22. 22
    Leaf Spring 232220-0 Qty used: 2
    $3.95
  23. 23
    Housing Set 187142-8 Includes part 2; Includes part 2
    $113.04
  24. 24
    Tapping Screw 4x20 266045-0 Qty used: 4
    $3.95
  25. 25
    Hook 346317-0
    $6.61
  26. 26
    + Screw M4x12 251314-2
    $3.95
  27. 1001
    Stopper Pole Ass'y 122576-8 Not shown on diagram
    $5.87
  28. 1002
    Grip Ass'y 122750-8 Not shown on diagram
    $27.03
  29. 1003
    + Screw M4x12 251314-2 Not shown on diagram
    $3.95
  30. 1004
    Bit Holder 452947-8 Replaces 419276-2 Not shown on diagram
    $3.95
  31. 1005
    DC18RA Fast Charger ***DC18RA Not shown on diagram
    Discontinued Call or email to check availability Call (03) 5241 9555 Email us
  32. 1006
    Battery BL1830 Set 194204-5 Qty used: 2 Not shown on diagram
    Discontinued Call or email to check availability Call (03) 5241 9555 Email us
  33. 1007
    +- Bit 2-45 784637-8 Qty used: 2 Not shown on diagram
    $3.95
  34. 1008
    Plastic Case Complete 824754-3 Replaces 140354-4 Not shown on diagram
    $103.61
  35. 1009
    Battery Cover 450128-8 Not shown on diagram
    $3.95
  36. 1010
    BHP451RFE Plastic Case Label 804753-1 Not shown on diagram
    Discontinued Call or email to check availability Call (03) 5241 9555 Email us

Can't find the part you need? Call (03) 5241 9555 or email sales@toolup.com.au with your model number.

Makita BHP451 spare parts: common questions

Where can I buy spare parts for the Makita BHP451?

Toolup Australia sells genuine Makita spare parts for the BHP451. This exploded diagram lists 36 parts, and 31 can be ordered online now. Parts are posted Australia-wide or can be collected from our Geelong store.

How do I find the right part for my Makita BHP451?

Find the part on the exploded diagram and note its number, then select that number in the parts list. Each row shows the genuine Makita part number, price and quantity used.

What if the part I need for my BHP451 isn’t available online?

Parts marked Discontinued or Price on request can often still be sourced. Call (03) 5241 9555 or email sales@toolup.com.au with the model number (BHP451) and the diagram number and we’ll check for you.

Can Toolup repair my Makita BHP451?

Yes. Our servicing team repairs Makita tools. Visit our servicing page or call (03) 5241 9555 to book a repair.