BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | ATV/UTV BRAKES 638 FRONT DISC BRAKE KIT FOR HONDA ATVS •When Honda drum brakes are exposed to dirt and water, the units trap moisture, corrode and therefore deliver substandard brake performance • This disc brake conversion kit delivers superior, reliable performance because it stays cleaner and runs cooler • Contains high-performance dual-piston calipers, pads, rotors, mounting brackets, hub spacers, new studs and all hardware • For the following 4x4 ATVs with 12” wheels: Honda TRX300 FourTrax 92-99 (except EX models),TRX350 Rancher 4x4,TRX400 Foreman (all), TRX450 Foreman (all),TRX500 Rubicon (all) and TRX650 Rincon (all) • Rebuild kit includes four pistons, four ring piston seals and two O-rings • Must be used with 12” or larger wheels NOTE: For replacement pads use SBS sintered pads PART #1721-1594 or EBC metallic pads PART #FA271R. DESCRIPTION PART # 4x4 disc brake kit HLDISC FRONT BRAKE CALIPERS FITS MODEL LEFT PART # RIGHT PART # ARCTIC CAT 250/300 ATV 03-05 1701-0660 1701-0659 366 ATV 09 1701-0660 1701-0659 400 ATV 03-14 1701-0660 1701-0659 450 ATV 10-12 1701-0660 1701-0659 500 ATV 12-17 1701-0660 1701-0659 550 ATV 09-17 1701-0660 1701-0659 570 ATV 19 1701-0660 1701-0659 650 ATV 04-12 1701-0660 1701-0659 700 ATV 06-19 1701-0660 1701-0659 1000 ATV 08-17 1701-0660 1701-0659 Wildcat 700 14-17 1701-0660 1701-0659 Wildcat 1000 12-14 1701-0660 1701-0659 CAN-AM Outlander 450 15-22 1701-0742 1701-0741 Outlander 500 13-15 1701-0742 1701-0741 Renegade 500 14-15 1701-0742 1701-0741 Outlander 570 16-23 1701-0742 1701-0741 Renegade 570 16-22 1701-0742 1701-0741 FITS MODEL LEFT PART # RIGHT PART # CAN-AM (CONT) Outlander 650 13-23 1701-0742 1701-0741 Renegade 650 22-24 1701-0742 1701-0741 Outlander 800 13-15 1701-0742 1701-0741 Renegade 800 14-15 1701-0742 1701-0741 Outlander 850 16-24 1701-0742 1701-0741 Renegade 850 16-22 1701-0742 1701-0741 Outlander 1000 13-24 1701-0742 1701-0741 Renegade 1000 14-24 1701-0742 1701-0741 POLARIS Hawkeye 325 15 1701-0629 1701-0628 Magnum 325 01 1701-0629 1701-0628 Sportsman ETX 15 1701-0629 1701-0628 Magnum 330 03-06 1701-0629 1701-0628 Trail Blazer 330 10-13 1701-0629 1701-0628 Trail Boss 330 10-13 1701-0629 1701-0628 Hawkeye 400 H.O. 11-14 1701-0629 1701-0628 Sportsman 400 01-05/11-14 1701-0629 1701-0628 Xplorer 400 01-02 1701-0629 1701-0628 FITS MODEL LEFT PART # RIGHT PART # POLARIS (CONT) Xpedition 425 01-02 1701-0629 1701-0628 Sportsman 450 06-07/16-20 1701-0629 1701-0628 Diesel 455 01 1701-0629 1701-0628 Magnum 500 01-02 1701-0629 1701-0628 Scrambler 500 10-12 1701-0629 1701-0628 Sportsman 500 (all) 01-13 1701-0629 1701-0628 Worker 500 01 1701-0629 1701-0628 Sportsman 550 09-14 1701-0739 1701-0740 Sportsman 570 (all) 14-20 1701-0629 1701-0628 Sportsman 600 03-05 1701-0629 1701-0628 Sportsman 700 02-07 1701-0629 1701-0628 Sportsman 800 (all) 05-14 1701-0629 1701-0628 Scrambler 850 13-24 1701-0739 1701-0740 Sportsman 850 (all except High Lifter) 09-24 1701-0739 1701-0740 Scrambler 1000 14-18 1701-0739 1701-0740 Sportsman 1000 (all except High Lifter) 15-25 1701-0739 1701-0740 REAR BRAKE CALIPERS FITS MODEL LEFT PART # RIGHT PART # ARCTIC CAT 250/300 ATV 03-05 - 1701-0659 366 ATV 09 - 1701-0659 400 ATV 03-14 - 1701-0659 450 ATV 10-12 - 1701-0659 500 ATV 02-17 - 1701-0659 550 ATV 09-17 - 1701-0659 570 ATV 19 - 1701-0659 650 ATV 04-12 - 1701-0659 700 ATV 06-19 - 1701-0659 1000 ATV 08-17 - 1701-0659 Prowler 700 11-17 1701-0659 1701-0660 Wildcat 700 14-17 1701-0659 1701-0660 Prowler 1000 09-17 1701-0659 1701-0660 Wildcat 1000 12-14 1701-0659 1701-0660 FITS MODEL LEFT PART # RIGHT PART # CAN-AM Outlander 400 05-13 - 1701-0743 Outlander 500 07-12 - 1701-0743 Outlander 650/800 06-12 - 1701-0743 Renegade 800 07 - 1701-0743 POLARIS Trail Blazer 250 99-04 - 1701-0738 Xplorer 250 01-02 - 1701-0738 Magnum 325 00 - 1701-0738 Trail Boss 325/330 00-03 - 1701-0738 Xpedition 325 01-02 - 1701-0738 Scrambler 400 98-02 - 1701-0738 Sport 400 99 - 1701-0738 Sportsman 400 03-05 - 1701-0792 Trail Blazer 400 03 - 1701-0738 Xplorer 400 99-02 - 1701-0738 FITS MODEL LEFT PART # RIGHT PART # POLARIS (CONT) Xpedition 425 01-02 - 1701-0738 Sportsman 450 06 - 1701-0792 Magnum 500 99-02 - 1701-0738 Scrambler 500 98-04 - 1701-0738 Sportsman 500 (all) 03-06 - 1701-0792 Sportsman 500 Touring/ X2 08-09 1701-0793 1701-0794 Sportsman 600 03-05 - 1701-0792 Sportsman 700 02-06 - 1701-0792 Sportsman 700 X2 08 1701-0793 1701-0794 RZR 800 (std. chassis only) 08-14 1701-0793 1701-0794 RZR S 800 09-14 1701-0793 1701-0794 Sportsman 800 (all) 05-06 - 1701-0792 Sportsman 800 Touring/ X2 07-09 1701-0793 1701-0794 BRAKE CALIPERS •Alternative to OEM with no modifications needed •Includes brake pads and mounting brackets 1701-0629 1701-0659
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