OE Quality Cylinder Head for Cummins 5.9L Engine

Product Description

Warranty Conditions:
Warranty period: six months from the date of arrival at the port of entry. Parts will be replaced free of charge due to quality defects which the supplier should be responsible for.
Supplier is responsible for damages to cylinde head surface and valve guides during transportation if packaging is done by supplier.
Supplier is responsible for problems due to improper material or manufacturing process, such as leakage of coolant or oil found on the assembly line or in field service.
Proper Usage
1. Cylinder heads should be assembled with new valves of correct specifications;
2. Shortage of coolant, sudden refilling with cold coolant or frozen coolant in winer may cause overheating or thermal shock of cylinder head parts, resulting in cracking, leakage or loosening of valve inserts and swirl chamber insert. Supplier is not responsible for problems due to improper usage.
3. Valve seats have been finish-machined before delivery. There is no need for further machining on assembling.

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