BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | SNOW DRIVETRAIN DRIVETRAIN 478 DESCRIPTION PART # Idler wheel 4702-0067 3 1/4” X 5/8” •Includes 6205-2RS bearing and 5/8” bushing DESCRIPTION PART # Idler wheel 4702-0068 3.325” X 20 MM •Upper idler wheel for Yamaha •Includes 6004-2RS bearing DESCRIPTION PART # Idler wheel 4702-0076 5.35” X 3/4” •Includes 6205-2RS bearing and 3/4” bushing DESCRIPTION PART # Idler wheel 4702-0105 5.55” (141 MM X 20 MM) •Idler wheel for Bombardier/ Ski-Doo MXZ X 600 HO E-TEC 09-12; includes 6004 bearing and snap ring DESCRIPTION PART # Idler wheel 4702-0106 7.125” (180 MM X 20 MM) •Idler wheel for Bombardier/ Ski-Doo 05-23; includes 6004 bearing and snap ring DESCRIPTION PART # Idler wheel 4702-0107 7.125” (180 MM X 20 MM) •Idler wheel for Bombardier/ Ski-Doo REV-XP/XR/XS/ XM 08-23; includes 6004 bearing and snap ring DESCRIPTION PART # Idler wheel 4702-0108 7.87” (200 MM X 20 MM) •Idler wheel for Bombardier/Ski-Doo REV-XP/XR/XS/XM 08-21; includes 6004 bearing and snap ring DESCRIPTION PART # Idler wheel 4702-0164 5.125” (130 MM X 25 MM) •Includes 6005RS bearing •Standard center idler wheel for Yamaha 03-10 DESCRIPTION PART # Idler wheel 4702-0175 135 MM X 25 MM • Improved Yamaha wheel designed to put more down pressure on the track to help prevent slide wear •Includes 6005-2RS bearing DESCRIPTION PART # Idler wheel 4702-0178 5.79” (147 MM X 20 MM) •Idler wheel for Bombardier/ Ski-Doo; includes 6004 bearing and snap ring DESCRIPTION PART # Idler wheel 4702-0179 5.79” (147 MM X 20 MM) •Idler wheel for Bombardier/ Ski-Doo; includes 6004 bearing and snap ring DESCRIPTION PART # Idler wheel 4702-0080 141 X 20 MM •Standard idler wheel for late-model Bombardier with 141 mm OD •Includes 6004-2RS bearing DESCRIPTION PART # Idler wheel 4702-0082 180 MM X 20 MM •Standard idler wheel for late-model Bombardier with 180 mm OD •Includes 6004-2RS bearing DESCRIPTION PART # Idler wheel 4702-0087 5.62” X 20 MM •For select late-model Polaris models that require spacer •Includes 6205-2RS bearing with spacer DESCRIPTION PART # Idler wheel 4702-0094 7.125” X 20 MM •Standard idler wheel for late-model Arctic Cat models with 20 mm shaft •Includes 6004-2RS bearing
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