BOLD MAGENTA part numbers are new for 2026 PARTSCANADA.COM 2026 | OFFROAD ENGINE ENGINE 786 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”. STANDARD-PRESSURE RADIATOR CAPS •High-temperature silicone seals •Stock-pressure rating of 16 psi (1.1 bar) •PART #s 1903-0008 and 1903-0009 are stamped with metric pressure rating of 1.1 bar •PART #1903-0010 includes high-temperature metal film warning decal and adhesive and features grooved edges for grip; pressure rating printed on cap in standard 16 psi and metric 1.1K • Universal fit for most Honda, Kawasaki, Suzuki and Yamaha RADIATOR CAPS •Old and faulty radiator caps can cause steam and fluid to be pumped out of the radiator overflow hose •A replacement cap is the least expensive and easiest way to solve or troubleshoot your liquid cooled bike/ATV radiator problems •Upgrading to a high-pressure 1.6 bar, 1.8 bar or 2.1 bar from the stock radiator cap is the simplest and least expensive way to avoid over-boiling your engine FITS MODEL PART # KAWASAKI KX250F 04-16 0935-00031 KX250 21-24 0940-2061 FITS MODEL PART # SUZUKI RM-Z250 04-06 0935-00031 1 Replacement o-ring. WATER PUMP COVERS WITH IMPELLER •Made of CNC-machined billet aluminum • Strong, lightweight and durable to provide years of outstanding protection and performance •Designed with an impeller to increase water flow and reduce hydraulic friction and cavitation •Replacement o-ring available separately FITS MODEL LEFT PART # GASGAS MC 125 21-23 1901-0918 EC 250 22-23 1901-0918 EX 250 23 1901-0918 EX 250F 21-23 1901-0918 MC 250 22-23 1901-0918 MC 250F 21-23 1901-0918 EC 300 21-23 1901-0918 EX 300 21-23 1901-0918 EX 350F 21-23 1901-0918 MC 350F 23 1901-0918 EX 450F 21-23 1901-0918 MC 450F 21-23 1901-0918 MC 450F Troy Lee Designs 22 1901-0918 FITS MODEL LEFT PART # HUSQVARNA TC 125 19-22 1901-0918 TE 150 20-23 1901-0918 FC 250 19-22 1901-0918 TC 250 19-22 1901-0918 TE 250 20-23 1901-0918 TE 300 20-23 1901-0918 TX 300 20-22 1901-0918 FC 350 19-22 1901-0918 FE 350 20-23 1901-0918 FE 350s 20-23 1901-0918 FX 350 19-22 1901-0918 FC 450 19-22 1901-0918 FC 450 Rockstar 18-21 1901-0918 FITS MODEL LEFT PART # HUSQVARNA (CONT) FE 450 20-23 1901-0918 FS 450 19-20 1901-0918 FX 450 19-22 1901-0918 FE 501 20-23 1901-0918 FE 501s 20-23 1901-0918 KTM 125 SX 19-22 1901-0918 125 XC 21-22 1901-0918 150 SX 19-22 1901-0918 150 XC-W 20-23 1901-0918 250 SX 19-22 1901-0918 250 SX-F 19-22 1901-0918 250 XC 19-22 1901-0918 FITS MODEL LEFT PART # KTM (CONT) 250 XC-F 19-22 1901-0918 250 XC-W 20-23 1901-0918 300 XC 19-22 1901-0918 300 XC-W 20-23 1901-0918 350 EXC-F 20-23 1901-0918 350 SX-F 19-22 1901-0918 350 XC-F 19-22 1901-0918 350 XCF-W 21-22 1901-0918 450 SX-F 19-22 1901-0918 450 XC-F 19-22 1901-0918 500 EXC-F 20-23 1901-0918 500 XCF-W 20-23 1901-0918 OEM STYLE REPLACEMENT RADIATOR •Economical alternative to the original radiator •Same dimensions as OEM •Easy mounting and perfect fitting DESCRIPTION PART # 1.6 bar (23 psi) 1903-0017 DESCRIPTION PART # 1.8 bar (26 psi) 1903-0018 DESCRIPTION PART # 2.1 bar (30 psi) 1903-0019 DESCRIPTION PART # For Honda/Kawasaki/Suzuki/ Yamaha (26 psi) 1904-0182 For KTM/Husqvarna SX/SX-F 08-15, EXC-F/XC-F/XC-W (29 psi) 08-16 1904-0183 For KTM/Husqvarna SX/SX-F 16-18, EXC-F/XC-F/XC-W (29 psi) 17-23 1904-0184 RADIATOR PRESSURE CAPS •Replaces OEM radiator caps •Reduces loss of coolant due to overheating DESCRIPTION PART # Grip-style radiator cap, chrome 1903-0010 Standard radiator cap, black 1903-0009 Standard radiator cap, zinc-plated (gold) 1903-0008 DESCRIPTION PART # 23 psi 1903-0011 DESCRIPTION PART # 26 psi 1903-0029 HIGH-PRESSURE RACING RADIATOR CAPS • Engineered to increase pressure in cooling system, which then increases coolant boiling point; helps prevent boil over •Chrome or black cap with grooved edges for grip; pressure rating printed on cap in metric and standard psi •Cap and seals are black •High-temperature silicone seals •Includes high-temperature metal film warning decal and adhesive • For competition use on most Honda, Kawasaki, Suzuki and Yamaha models •Compatible with Moose Offroad radiator guards and radiator braces •Radiator cap included •Sold per side 0940-2061 1901-0918 1903-0017 1904-0182 1903-0011 1903-0029 •Raising your cooling system’s maximum operating pressure increases your coolant’s boiling point, allowing you toride harder and longer •Black finished cap •Universal fit for most Japanese models •High-temperature corrosion-resistant silicone seals 1903-0010 1903-0009 1903-0008
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