BOLD MAGENTA part numbers are new for 2025 ENGINE & COOLING PARTS-UNLIMITED.COM ATV/UTV | 2025 ENGINE & COOLING 1189 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL PART # ACE 325 14-16 1902-1382 Hawkeye 325 15 1902-1382 Ranger ETX 15-16 1902-1382 Sportsman ETX 15 1902-1382 Hawkeye 400 11-14 1902-1378 Sportsman 400 01-05 1902-1378 Sportsman 400 H.O. 11-14 1902-1378 Magnum 425 95-98 1902-1378 Xpedition 425 00-02 1902-1378 Sportsman 450 06-07 1902-1378 Sportsman 450 H.O. 16-24 1902-1379 Diesel 99-01 1902-1378 ATP 500 04-05 1902-1378 Big Boss 500 6x6 98-99 1902-1378 Magnum 500 99-02 1902-1378 Ranger Series 10 1902-1378 FITS MODEL PART # Ranger Series 11 1902-1378 Ranger 500 99-13 1902-1378 Ranger 500 17-22 1902-1379 Scrambler 500 97-12 1902-1378 Sportsman 500 96-13 1902-1378 Worker 500 99-01 1902-1378 Xplorer 500 97 1902-1378 ACE 500 17-18 1902-1379 Sportsman 550 09-14 (all) 1902-1381 ACE 570 15-18 1902-1379 Ranger 570 (all) 14-24 1902-1379 RZR 570 12-22 1902-1379 Sportsman 570 (all) 14-24 1902-1379 Sportsman 600 03-05 1902-1382 Ranger 700 05-09 1902-1382 Sportsman 700 02-08 1902-1382 FITS MODEL PART # Ranger 800 11-14 1902-1379 RZR 800 11-14 1902-1379 Ranger 800 10 1902-1382 RZR 800 08-10 1902-1382 Sportsman 800 05-14 1902-1382 Scrambler 850 13-24 1902-1379 Sportsman 850 (all) 13-24 1902-1379 ACE 900 16-18 1902-1379 Ranger XP 900 13-19 1902-1379 RZR 900 (all) 11-14 1902-1380 RZR 900 (all) 15-24 1902-1379 Ranger 1000 (all) 17-24 1902-1379 RZR 1000 (all) 14-15 1902-1380 RZR-4 1000 15 1902-1380 Scrambler 1000 14-23 1902-1379 Sportsman 1000 15-24 1902-1379 THERMOSTATS FOR POLARIS •Exact OEM replacement thermostat •Opens and closes at OEM temperature •Some models include the sealing gasket •Available for most Polaris ATV/UTV models 1902-1378 1902-1379 1902-1380 FITS MODEL PART # ACE 325 14-16 1902-1706 ACE 325 HD 15 1902-1706 Hawkeye 325 2x4 15 1902-1706 Ranger 325 ETX 15-16 1902-1706 Sportsman 325 ETX EFI 15 1902-1706 Sportsman 325 ETX EFI HD 15 1902-1706 FITS MODEL PART # Sportsman 325 ETX EFI MD 15 1902-1706 Xpedition 325 00 1902-1704 Hawkeye 400 H.O. 2x4 11-14 1902-1704 Magnum 400L 6x6 96-97 1902-1704 Ranger 2x4 04 1902-1704 Ranger 4x4 400 10-14 1902-1704 FITS MODEL PART # Sportsman 400 4x4 01-05 1902-1704 Sportsman 400 4x4 AA AE AG 04 1902-1704 Sportsman 400 4x4 AQ-AV 04 1902-1704 Sportsman 400 H.O. 4x4 08-14 1902-1704 Magnum 425 2x4 95-98 1902-1704 Magnum 425 4x4 95-98 1902-1704 POLARIS THERMOSTATS •Direct OEM replacement •Matches OEM temperature specifications •Includes O-ring gasket when required 1902-1707 POLARIS THERMOSTATS continued on next page.
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