Have you ever faced a situation where a cone crusher line goes down unexpectedly, the maintenance team is waiting to replace the liner, and the purchase quotation shows a price gap of more than 40% between an OEM part and an "unknown" Chinese supplier?

Or perhaps the last so-called aftermarket parts you bought cracked within three months of installation — and instead of saving money, you ended up paying extra for downtime losses and rework?

Both scenarios reflect the central tension in the metso crusher parts market: how to find a supply path that genuinely balances reliable quality with controllable cost for your specific operating conditions.

This guide systematically examines the real differences between OEM and aftermarket channels, outlines the selection logic for different buyer types, and provides an actionable evaluation checklist you can use immediately.

Metso (now Metso Outotec) produces a wide range of crusher models — from the C Series jaw crusher to the HP/GP/MP cone crusher family, through to the NP impact crusher — and each series has its own distinct requirements for material composition, dimensional tolerances, and heat treatment processes.

The direct answer: not necessarily — but it always carries risk.

If you focus only on unit purchase price, you are overlooking Total Cost of Ownership (TCO), which includes service life, downtime frequency, labor for replacement, and production losses.

Multiple crusher equipment management guides note that liner and mantle service life can differ by a factor of two to three between suppliers. If a price gap reflects a corresponding gap in service life, the so-called "cheaper" option simply does not hold up.

One practical rule worth keeping in mind: a part that costs 30% less but lasts only half as long has a real total cost that is 40% higher than the original-price part.

The greater risk, however, comes from the unexpected. When a low-quality part fractures under high-load operating conditions, the fragments can damage the mainshaft, bowl assembly, or even the frame — and a single repair event can cost many times the price of the part itself.

The following suppliers have established reputations and verified track records in the aftermarket crusher parts space. Your selection should be informed by your specific machine model, geographic location, and procurement volume.

Each supplier in this table has publicly documented customer case studies in their respective market segments. Visit their official websites to verify product specifications and certifications.

Quality in the aftermarket varies considerably. The industry commonly recognizes three broad tiers:

The most direct way to determine which tier a supplier belongs to is to request material certificates and inspection reports — not just product photos and quotation sheets.

Different buyers approach the parts market from entirely different starting points. Applying a single evaluation framework to all suppliers leads to poor decisions.

PAJOA's partner factory has 29 years of production history and has supplied OEM-level components for Metso, Sandvik, and Kleemann. It is important to note: PAJOA is not a current official OEM supplier to these brands. Its positioning is to carry the process discipline developed during OEM manufacturing into the aftermarket parts business.

Evaluated against the Tier One criteria established earlier in this guide:

If you’d like to see whether PAJOA is the right fit for your operation, share your basic requirements with us and we’ll provide a tailored recommendation

Before making a final supplier decision, use the checklist below to conduct a systematic evaluation. Each item should have a clear "yes" or "no" answer — not a vague "should be fine."

Regarding supplier qualifications:

• [ ] Does the supplier hold ISO 9001 quality management certification?
• [ ] Can they provide a supply history or reference customers for your specific model?
• [ ] Can they provide batch-level material certificates (Mill Certificates)?
• [ ] Do they have third-party inspection reports (spectrometer, ultrasonic, metallographic)?

Regarding the parts themselves:

• [ ] Are dimensional tolerances explicitly stated on product drawings?
• [ ] Are the material grade and heat treatment process documented and verifiable?
• [ ] Is there reference data on service life (not just marketing claims)?

Regarding terms of cooperation:

• [ ] Is the process for handling quality issues agreed in writing?
• [ ] Is the delivery lead time contractually guaranteed (not just a verbal commitment)?
• [ ] Is it possible to conduct a small trial order before committing to large-volume procurement?

Conclusion principle: If more than three of the above ten items cannot be answered definitively, the supplier's risk profile warrants reassessment.

If you are sourcing reliable parts for your Metso crusher, or want to assess whether your current supplier meets Tier One standards, contact the PAJOA team directly.

Basic information we need from you:

• Your equipment model (e.g., Metso HP300, C110, MP1000)
  
  
• The type of parts currently in use (liner, jaw plate, blow bar, eccentric bushing, etc.)
  
  
• Approximate procurement frequency and volume
  
  
• The primary problem you are currently experiencing (cracking, accelerated wear, long lead times, high cost?)

Once we have this information, we can provide specific material selection recommendations and a reference quotation — not a generic product catalog.

Contact / Inquiry: Visit the PAJOA official website or send an inquiry email noting your model and requirements.