3040830 Cummins CCEC Exhaust Valve for NTA855 Engines

Exhaust valve for Cummins NT855 and NTA855 Big Cam I–III engines. 47.5 mm head, 132.6 mm long, HRC 48–55.

SKU: 3040830

Description Additional information

Exhaust valve 3040830 fits Cummins NT855 and NTA855 Big Cam I through III engines. The head measures 47.5 mm across with an 11.91 mm stem and a total length of 132.6 mm. It is made from heat-resistant alloy steel with a treated stem surface, hardened to HRC 48–55 and rated for exhaust temperatures up to 850°C.

Specifications

Part Number	3040830
Product Type	Exhaust Valve
Applicable Engine	Cummins NT855 / NTA855 Big Cam I–III
Head Diameter	47.5 mm (1.87 in)
Stem Diameter	11.91 mm
Total Length	132.6 mm
Material	Heat-resistant alloy steel with optimized stem surface treatment
Hardness	HRC 48–55
Max Working Temperature	Up to 850°C
Application Scenarios	Generator sets, bulldozers, construction machinery, industrial engines
Core Feature	Genuine CCEC OEM standard, direct replacement for Big Cam I–III

Key Features

47.5 mm head diameter with 11.91 mm stem
132.6 mm total length
Heat-resistant alloy steel with treated stem surface
Hardness HRC 48–55
Rated for exhaust temperatures to 850°C
Direct replacement for Big Cam I–III

Typical Applications

Generator sets
Bulldozers and construction machinery
Industrial diesel engines

Ordering from Sino Bus Parts

Wholesale pricing; bulk orders welcome
Global shipping
Fitment confirmed against your engine serial or CPL before dispatch
Contact us on WhatsApp for a quotation

Part Number	3040830
Fitment	Cummins NTA855 NT855 Engines
Product Type	Exhaust Valve
Material	Standard alloy
Quality Standard	Genuine CCEC (Chong Qing Cummins)
MOQ	Bulk Orders Accepted
Lead Time	3-15 Days Global Shipping

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