A correctly dimensioned aftermarket sprocket is the only cost-effective option when your ZX210-3’s original is worn — OEM prices carry a significant premium for the same alloy steel and heat treatment. This aftermarket sprocket 18h,21t zx210-3 matches OEM tooth profile, pitch diameter, and bore for direct fitment.

Why Choose This SPROCKET 18H,21T ZX210-3
– Tooth profile machined to OEM geometry for precise chain pitch engagement
– Bore, hub, and mounting flange to OEM ±0.1mm tolerances — fits without rework
– Tooth count verified: balanced chain load distribution across all teeth

Heavy-Duty Construction
This sprocket 18h,21t zx210-3 is manufactured using alloy steel body: induction-hardened tooth flanks to 50–55 HRC; tough core for shock absorption. CNC-machined bore and mounting surfaces for accurate running fit. Cleaned, inspected, and packaged to prevent corrosion before installation. Designed to withstand vibration, impact loads, and harsh operating environments commonly found in construction, quarry, mining, and earthmoving applications. Precision manufacturing helps ensure correct fitment and long service life.

Applications
Suitable for a wide range of heavy equipment and undercarriage systems including:
– Excavators
– Dozers
– Loaders
– Track roller assemblies
– Earthmoving machinery undercarriage components

Maintenance Recommendations
– Replace chains and sprocket together
– Assess full undercarriage condition at the same interval

Australia-Wide Supply
We supply high-quality sprocket 18h,21t zx210-3 replacement parts across Australia with shipping from NSW. Suitable for aftermarket heavy equipment repairs and undercarriage maintenance applications.