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Komatsu 6138-K2-9901 Gasket Kit, Cylinder Block

MSRP: $766.77 USD
Price: $249.00 USD

Shipping calculated at checkout.

In stock
SKU
KM-6138-K2-9901
Weight
2.0 lb
Availability
Ships within 24 hours
Warranty
Same warranty period as the applicable OEM; see warranty terms

Minimum order: 1

View full warranty policy View full return policy

Komatsu 6138-K2-9901 Gasket Kit, Cylinder Block

Komatsu 6138-K2-9901 Gasket Kit, Cylinder Block is a WQC Parts aftermarket replacement part for Komatsu heavy equipment. It is intended for sealing, repair, and maintenance applications where the part number, machine model, and serial range match the required application.

Part Information

  • Komatsu part number: 6138-K2-9901
  • WQC SKU: KM-6138-K2-9901
  • Product type: Gasket Kit, Cylinder Block
  • Search reference: 6138-K2-9901 / 6138K29901

Documented Model and Serial Applications

Listed applications are documented catalog references. Match the exact model, serial range and stated configuration, and confirm the part number before ordering.

  • WA420-1 — machine serial 10001 and up [engine catalog SA6D110-1R; engine serial 67779 and up; engine catalog scope 54110-UP]
    • SA6D110-1R S/N 54110-UP / TOOL AND KIT / GASKET KIT (0991)
    • SA6D110-1R S/N 54110-UP / TOOL AND KIT / GASKET KIT (COLD TERRAIN SPEC.)(#56997-) (0992)
  • WA420-1 — machine serial 10001 and up [engine catalog SA6D110-1W; engine serial 67779 and up; engine catalog scope 54110-UP]
    • SA6D110-1W S/N 54110-UP / TOOL AND KIT / GASKET KIT (0991)
    • SA6D110-1W S/N 54110-UP / TOOL AND KIT / GASKET KIT (COLD TERRAIN SPEC.)(#56997-) (0992)
  • SA6D110-1R — engine serial 67779 and up
    • TOOL AND KIT / GASKET KIT (0991); catalog scope 54110-UP
    • TOOL AND KIT / GASKET KIT (COLD TERRAIN SPEC.)(#56997-) (0992); catalog scope 54110-UP
  • SA6D110-1W — engine serial 67779 and up
    • TOOL AND KIT / GASKET KIT (0991); catalog scope 54110-UP
    • TOOL AND KIT / GASKET KIT (COLD TERRAIN SPEC.)(#56997-) (0992); catalog scope 54110-UP

Reported category/application areas: WHEEL LOADERS, Engines.

Fitment Notes

Always confirm final fitment before ordering. The same general part description can apply to different Komatsu models, serial ranges, component groups, or diagram positions. Verify the original part number, machine model, serial number, and installed arrangement before purchase.

Why Buy from WQC Parts?

  • Aftermarket Komatsu replacement parts organized by part number and product type.
  • Support for fitment review using machine model, serial number, and photos when needed.
  • Competitive pricing for repair shops, equipment owners, and fleet maintenance teams.
  • Reliable sourcing focused on reducing downtime and keeping machines working.

If you are unsure whether this part fits your machine, contact WQC Parts with your model, serial number, and existing part number before ordering.

Related Komatsu Parts Resources

For additional fitment context around 6138-K2-9901, compare the machine, serial-range, and application details above with related Komatsu Gasket Kit, Cylinder Block listings before ordering.

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