Pressure Switch 421-43-22942 for Komatsu

OEM / REF: 421-43-22942SKU: pilotpart181110

Press Switch 421-43-22942 for Komatsu Wheel Loader PC300HD-7L WA380-3L WA450-3MC is a Pressure Switch replacement part indexed for Part Number and Komatsu Wheel LoaderModels: PC300HD-7L, WA380-3L, WA450-3MC, WA500-1LE, WA700-3A, WA320-3L, WA380-3MC,WA420-3L, WA420-3MC, WA450L-3, WA500-3LE, WA500-3L, WA320-3MC, WA450...

Stock
In stock
Condition
New
Fitment
Komatsu Electrical Parts
  • Fitment support before you order
  • Worldwide delivery options

Pressure Switch Description

This Pressure Switch is indexed for Part Number; Komatsu Wheel LoaderModels: PC300HD-7L, WA380-3L, WA450-3MC, WA500-1LE, WA700-3A, WA320-3L, WA380-3MC,WA420-3L, WA420-3MC, WA450L-3, WA500-3LE, WA500-3L, WA320-3MC, WA450-3L, WA500-3LK Details: K4460-02A1 BRAKE PIPING REAR AXLE LINE » 421-43-22942 K4460-05A0 BRAKE CONTROL BRAKE VALVE TO SLACK ADJUSTER » 421-43-22942 K4470-04A0 BRAKE PIPING FLOOR LINE (1/2) (S/N A50001-A50020 ) » 421-43-22942 K4470-04A0 BRAKE PIPING FLOOR LINE (1/2) (S/N A50001-A50024 ) » 421-43-22942 K4470-23A0 BRAKE PIPING FLOOR LINE (1/2) (S/N A50026- ) » 421-43-22942 WA300L-3 S/N 53001-UP (For North America) WHEEL LOADERS WA320 AVANCE CUSTOM Serial No.20001 and up WHEEL LOADERS WA320-3 S/N 15035-UP WHEEL LOADERS WA380-3 active S/N WA380H20501 - Up WHEEL LOADERS WA380-3 S/N 16338-UP WHEEL LOADERS WA380-3 S/N H20051-H20500 WHEEL LOADERS WA380-3MC S/N A51001-UP WHEEL LOADERS WA380-DZ-3 Serial No.10580 and up WHEEL LOADERS WA420-3 S/N 15055-UP WHEEL LOADERS WA420-3MC S/N A31001-UP WHEEL LOADERS WA420-DZ-3 Serial No.10001 and up WHEEL LOADERS WA450-3MC S/N A31001-UP WHEEL LOADERS WA470-3 active S/N WA470H20669-H20941 WHEEL LOADERS WA470-3 Active S/N WA470H20942-UP WHEEL LOADERS WA470-3 S/N 25233-UP WHEEL LOADERS WA470-DZ-3 Serial No.20118 and up WHEEL LOADERS WA500-3 S/N 50001-UP WHEEL LOADERS WA500-3H S/N H20051 - Up WHEEL LOADERS WA500-3L S/N A70001-UP WHEEL LOADERS WA500-3LK S/N A71001-UP WHEEL LOADERS WA600-3 S/N 50001-UP WHEEL LOADERS WA600-3 S/N A52001-UP WHEEL LOADERS WA600-3D S/N 50001-UP (TBG Spec.) WHEEL LOADERS WA700-3 S/N 50001-UP (KA Spec.) WHEEL LOADERS WA700-3 S/N 50001-UP (TBG Spec.) WHEEL LOADERS WA700-3 S/N 50001-UP WHEEL LOADERS WA700-3L S/N A50001-UP WHEEL LOADERS WA800-3 S/N 50001-UP WHEEL LOADERS WA800-3LC S/N A50001-UP WHEEL LOADERS WA800L-3 S/N 52001-UP WHEEL LOADERS WA900-3 S/N 50001-UP WHEEL LOADERS WA900-3LC S/N A50001-UP WHEEL LOADERS WA900L-3 S/N 52001-UP WHEEL LOADERS WD500-3 S/N 50001-UP WHEEL DOZERS WD600-3 S/N 50001-UP WHEEL DOZERS WD900-3 S/N 50001-UP WHEEL DOZERS WF550-3D S/N 50001-UP COMPACTORS; Komatsu Komatsu Wheel Loader Models: PC300HD-7L, WA380-3L, WA450-3MC, WA500-1LE, WA700-3A, WA320-3L, WA380-3MC, WA420-3L, WA420-3MC, WA450L-3, WA500-3LE, WA500-3L, WA320-3MC, WA450-3L, WA500-3LK. Compare reference number 421-43-22942 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 421-43-22941, 421-43-22940, WY421-43-22942. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Part Number
  • Komatsu Wheel LoaderModels: PC300HD-7L, WA380-3L, WA450-3MC, WA500-1LE, WA700-3A, WA320-3L, WA380-3MC,WA420-3L, WA420-3MC, WA450L-3, WA500-3LE, WA500-3L, WA320-3MC, WA450-3L, WA500-3LK Details: K4460-02A1 BRAKE PIPING REAR AXLE LINE » 421-43-22942 K4460-05A0 BRAKE CONTROL BRAKE VALVE TO SLACK ADJUSTER » 421-43-22942 K4470-04A0 BRAKE PIPING FLOOR LINE (1/2) (S/N A50001-A50020 ) » 421-43-22942 K4470-04A0 BRAKE PIPING FLOOR LINE (1/2) (S/N A50001-A50024 ) » 421-43-22942 K4470-23A0 BRAKE PIPING FLOOR LINE (1/2) (S/N A50026- ) » 421-43-22942 WA300L-3 S/N 53001-UP (For North America) WHEEL LOADERS WA320 AVANCE CUSTOM Serial No.20001 and up WHEEL LOADERS WA320-3 S/N 15035-UP WHEEL LOADERS WA380-3 active S/N WA380H20501 - Up WHEEL LOADERS WA380-3 S/N 16338-UP WHEEL LOADERS WA380-3 S/N H20051-H20500 WHEEL LOADERS WA380-3MC S/N A51001-UP WHEEL LOADERS WA380-DZ-3 Serial No.10580 and up WHEEL LOADERS WA420-3 S/N 15055-UP WHEEL LOADERS WA420-3MC S/N A31001-UP WHEEL LOADERS WA420-DZ-3 Serial No.10001 and up WHEEL LOADERS WA450-3MC S/N A31001-UP WHEEL LOADERS WA470-3 active S/N WA470H20669-H20941 WHEEL LOADERS WA470-3 Active S/N WA470H20942-UP WHEEL LOADERS WA470-3 S/N 25233-UP WHEEL LOADERS WA470-DZ-3 Serial No.20118 and up WHEEL LOADERS WA500-3 S/N 50001-UP WHEEL LOADERS WA500-3H S/N H20051 - Up WHEEL LOADERS WA500-3L S/N A70001-UP WHEEL LOADERS WA500-3LK S/N A71001-UP WHEEL LOADERS WA600-3 S/N 50001-UP WHEEL LOADERS WA600-3 S/N A52001-UP WHEEL LOADERS WA600-3D S/N 50001-UP (TBG Spec.) WHEEL LOADERS WA700-3 S/N 50001-UP (KA Spec.) WHEEL LOADERS WA700-3 S/N 50001-UP (TBG Spec.) WHEEL LOADERS WA700-3 S/N 50001-UP WHEEL LOADERS WA700-3L S/N A50001-UP WHEEL LOADERS WA800-3 S/N 50001-UP WHEEL LOADERS WA800-3LC S/N A50001-UP WHEEL LOADERS WA800L-3 S/N 52001-UP WHEEL LOADERS WA900-3 S/N 50001-UP WHEEL LOADERS WA900-3LC S/N A50001-UP WHEEL LOADERS WA900L-3 S/N 52001-UP WHEEL LOADERS WD500-3 S/N 50001-UP WHEEL DOZERS WD600-3 S/N 50001-UP WHEEL DOZERS WD900-3 S/N 50001-UP WHEEL DOZERS WF550-3D S/N 50001-UP COMPACTORS
  • Komatsu Komatsu Wheel Loader Models: PC300HD-7L, WA380-3L, WA450-3MC, WA500-1LE, WA700-3A, WA320-3L, WA380-3MC, WA420-3L, WA420-3MC, WA450L-3, WA500-3LE, WA500-3L, WA320-3MC, WA450-3L, WA500-3LK

Specifications

Part Number421-43-22942, 4214322942, 421-43-22941, 4214322941, 421-43-22940, 4214322940

Fitment Notes

Brand or application signal
Komatsu Electrical Parts
Product family
Pressure Switch
System category
Electrical Parts > Switches > Pressure Switch
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.

Confirm fitment

Send machine details before ordering high-risk parts.