388-9876 camshaft CAT engine spare part

Product Advantages

1. Designed for C7.1 direct injection variant, different from electronic C7.1, accurate timing after installation
2. Uniform induction hardened layer, good resistance to pitting and wear under continuous load
3. Strict concentricity control for journals, reduces uneven bearing wear and extends overhaul interval
4. OEM identical drive end datum, easy alignment and installation of timing gear
5. Each piece inspected on runout, hardness and cam profile, suitable for bulk maintenance stock

FAQ 

Q：Can 388-9876 for C7.1 DI interchange with electronic C7.1 camshaft?
A：Interchange is not allowed. Different lift and timing curve will cause power failure and valve damage.

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 protect camshaft during long-term storage?
A：Hang vertically, apply anti-rust oil, cover with dust film and avoid heavy stacking.

Q：Is oil and filter change recommended while replacing camshaft?
A：New engine oil and filter are recommended to protect new cam lobes from metal debris.