421-0221 left bank camshaft CAT engine spare part

Product Advantages

• Made from steel with properties that maintain hardness for long wear life
• Manufactured to precise specifications and is built for durability and reliability

1. Calibrated for C32 marine left bank, lift and phase differ from mining left bank camshaft, mixed installation forbidden
2. Deep carburized hardened layer, good salt fog and humidity resistance, anti-pitting under constant marine load
3. Strict concentricity control for long shaft, reduces uneven journal wear and extends overhaul interval
4. OEM identical drive end datum, accurate gear alignment and prevents single bank timing error
5. Each piece inspected on runout, hardness and cam profile, suitable for bulk marine maintenance stock

FAQ 

Q：Can 421-0221 marine left bank camshaft replace mining 421-0176 left bank camshaft?
A：Not interchangeable. Different calibration curve will cause abnormal combustion and valve interference.

Q：Can the camshaft be reused after light journal scratches are polished and measured?
A：It can be used temporarily if dimension stays within tolerance. Deep grooves require replacement to avoid bearing seizure.

Q：How to store this marine long camshaft properly?
A：Hang vertically, apply anti-rust oil, cover with moisture-proof film and keep away from salty humid environment.

Q：Is oil and filter change recommended while replacing this marine left bank camshaft?
A：New engine oil and filter are recommended to protect new cam lobes from oil impurities.