1846590- Cat D3/D4 Idler Group

Fits: Caterpillar Dozers D3; D3-LGP, D3B, D3B-LGP, D3C-XL, D4B, D4C, D4C-LGP, D4C-XL, D4G

Fits: Cat Loaders 931, 933, & 935 series

OEM Reference 1846590, 6S3277, 9N4173WB, 9N4173WS1B, CR3004