This Clevite F-Series connecting rod bearing fits the GM Duramax 6.6L LP5 diesel V8 in 2017-2025 applications. It is a standard-size bearing with additional oil clearance (the FX designation), sold individually.
Specifications:
- Type: Connecting rod bearing, F-Series (sold each)
- Size: standard
- Clearance: extra oil clearance
- Engine: GM Duramax 6.6L LP5 diesel V8 (2017-2025)
- Part number: CB2030FX
Engine Application: GM Duramax 6.6L LP5 diesel V8 (2017-2025).
FAQ
What engine does the Clevite CB2030FX fit?
It fits the GM Duramax 6.6L LP5 diesel V8 in 2017-2025 applications.
What does FX mean?
FX is the extra oil clearance version of the F-Series bearing, as listed for this part. Compare it with the standard CB2030F before ordering if oil clearance matters for your build.
How many of these bearings do I need?
It is sold individually (each). A V8 has eight connecting rods, so a full rebuild needs eight; order the quantity your build requires.
What size is this bearing?
It is standard size. If the crankshaft rod journals have been machined undersize, confirm the correct undersize bearing before ordering.

