
Sale Items
1687 products
Shop current sale items from WQC Parts for Komatsu parts and other heavy-equipment repair and maintenance. Browse available discounted parts and confirm part number and machine fitment before ordering.


Komatsu 6742-02-1110 Front Seal Service Kit

Komatsu 281-35-00030 Air Piping Service Kit


Komatsu 23A-43-05010 Service Kit, Booster And Master Cyl


Komatsu 281-35-00010 Air Piping Service Kit


Komatsu 417-43-05100 Master Cylinder Service Kit


Komatsu 281-35-00020 Air Piping Service Kit

Komatsu 42N-6C-13340 Service Kit, Seal

Komatsu 238-44-05030 Brake Valve B Service Kit

Komatsu 417-43-05110 Booster Cylinder Service Kit


Komatsu 281-34-05220 Treadle Check Valve Service Kit



Komatsu 561-35-05011 Rear Brake Chamber Service Kit


Komatsu 566-32-05211 Front Brake Service Kit

Komatsu 565-44-05021 Air Relay Valve Service Kit

Komatsu 567-35-05110 Brake Chamber Service Kit

Sale Items from WQC Parts are organized to help buyers identify reliable aftermarket replacement parts by part number, equipment family, system, and application. This collection focuses on replacement parts, service components, hardware, wear parts, and related assemblies used to support repair, maintenance, and uptime across heavy equipment applications.
Heavy equipment parts should be selected carefully because the same general description can apply to multiple machines, serial ranges, component groups, or diagram positions. Use this collection as a focused product group, then confirm the exact part number and machine details before ordering.
Heavy Equipment Replacement Parts Applications
Products in this collection may support construction, mining, quarry, forestry, utility, road-building, and fleet maintenance applications. Depending on the machine and component group, fitment may depend on model series, serial range, installed arrangement, hydraulic configuration, engine arrangement, attachment package, or work-equipment setup.
How to Confirm Fitment
- Search by the original part number when available.
- Confirm the machine model, serial range, and component location.
- Check diagram position, quantity, and arrangement notes where parts-book information is available.
- Compare dashed and non-dashed part-number formats when searching.
- Contact WQC Parts with the part number, model, serial number, and photos when fitment is uncertain.
Why Quality Matters
Incorrect or low-quality replacement parts can lead to premature wear, leaks, downtime, poor fitment, repeat repairs, and damage to related components. Properly matched aftermarket parts help protect machine uptime and reduce avoidable repair cost.
Why Buy from WQC Parts?
- Aftermarket heavy equipment parts organized by part number, system, and machine family.
- Support for alternate part numbers and practical fitment review.
- Clear collection structure for faster product discovery.
- Reliable sourcing focused on keeping equipment working.
Heavy equipment parts for Canada: WQC Parts supplies aftermarket Komatsu and heavy equipment parts to Canadian buyers from the United States. Availability, freight, import duties, customs brokerage, GST/HST, and delivery timing are confirmed at quote or checkout.