ISE Non Genuine Replacement Chain Tensioner Cover for Stihl. Replaces Part Number: 1123 664 2205. Fits Models: MS190 T, MS170, MS170 C, MS230, MS230 C, 018, MS210, MS210 C, MS191 T, E140, E160, E180 C, 021, 023, 025, MSE140 C, MSE160 C, MSE180 C, MSE200 C, MS180, MS180 C, 017, 019 T.
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