Description
MB4C –
AFA brand Cummins 3081248 is an injector cam follower roller used in the injector cam follower assembly on select Cummins 855 cubic-inch engines. The roller rides on the camshaft and transfers cam motion through the injector follower mechanism.
Common engine families include:
- Cummins NTA855
- Cummins NT855
- Cummins Big Cam 855
- Certain industrial and generator-set 855 applications
Because Cummins 855 configurations vary heavily by CPL and ESN, final fitment should be confirmed against the engine serial number or CPL before sale. Cummins QuickServe is the authoritative source for ESN-specific fitment


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