Carburetor Kit Zenith | Onan 141-0747 Zenith Carburetor Kit | Onan 141-0747 Genuine Onan carburetor rebuild kit for Onan MCCK generators from Spec H thru J with Zenith 141-0690 carburetors. Carburetor repair package For Onan MCCK Spec A-G model generators with Zenith 141-0690 carburetors Also fits RCCK spec A NH spec A-D RJC begin spec R CCKB begin spec H JB gen sets begin spec E JB and JC engines begin spec R JCA and JCB gen sets begin spec C Original Onan part