349-1522 split cam lobe CAT engine spare part

349-1522 split cam lobe CAT engine spare part Featured Image
  • 349-1522 split cam lobe CAT engine spare part
  • 349-1522 split cam lobe CAT engine spare part

Short Description:

Part No.349-1522, caterpillar cam lobe, single cam lobe replacement part for worn camshaft, for heavy-duty cat diesel engine, avoid full camshaft replacement.


Product Detail

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description

This 349-1522 split cam lobe is forged from alloy steel. The working surface is high-frequency quenched and precision ground with OEM-matched lift and profile. It is designed for engines with segmented camshaft structure. If only one lobe is damaged, you can replace this single cam instead of the whole shaft to cut overhaul cost. It drives tappets to control valve or fuel injection mechanism, suitable for excavators and mining trucks under heavy dusty working conditions.

Part No.：349-1522
Name：Cam Lobe
Material：Carbon Steel, Alloy Steel
Process：Forging + high-frequency induction hardening + precision profile grinding
Structure：Segmented single cam lobe, shrink-fit type
Package：Single cam lobe, shaft and fasteners not included
Application：Diesel engine for caterpillar heavy construction machinery

Product Advantages

1. Segmented replacement solution, only change damaged lobe to reduce overhaul cost
2. Uniform quenched hardness, good contact fatigue resistance against pitting and spalling
3. Tight lift tolerance, valve and injection timing remain unchanged after replacement
4. Precise inner bore, tight shrink-fit connection to prevent loosening during operation
5. Profile and hardness inspected piece by piece, good for spot repair and stock

FAQ 

Q：Can 349-1522 cam lobe fit any camshaft?
A：No. Verify camshaft model, bore size and lift profile before installation.

Q：Will the cam lobe become loose after shrink fitting?
A：If installed with standard temperature and interference, the fit stays stable under normal load.

Q：Can the cam lobe be reused with light scratches?
A：Light scratches can be polished and measured. Pitting or spalling requires immediate replacement to protect tappet.

Q：How to store this cam lobe properly?
A：Protect cam profile and inner bore, apply anti-rust oil and avoid impact on working surface.

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