ENGINE
STOCK REPLACEMENT RADIATOR CAP
  • 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
  • Available in black finish
  • Universal fit for most Japanese models
  • High-temperature corrosion-resistant
  • silicone seals
    SUG. RETAIL ............................. $19.95 PART #
    1903-0005
    HIGH PRESSURE RADIATOR CAPS
  • 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
  • Raising your cooling system’s maximum operating pressure increases your coolant’s boiling
  • point, allowing you to ride harder and longer
    1903-0018
  • Black finished cap
  • Universal fit for most Japanese models
  • High-temperature, corrosion-resistant silicone seals
  • DESCRIPTION
    P ART  #
    SUG. RETAIL
    DESCRIPTION
    P ART  #
    SUG. RETAIL
    DESCRIPTION
    P ART  #
    SUG. RETAIL
    1.6 bar (23psi)
    1903-0017
    $19.95
    1.8 bar (26psi)
    1903-0018
    $20.95
    2.1 bar (30psi)
    1903-0019
    $20.95
    HIGH-PRESSURE
    RACING RADIATOR CAPS
  • Engineered to increase pressure in
  • cooling system which then increases
    1903-0011
    1903-0012
    1903-0013
    coolant boiling point; helps prevent boil over
  • Chrome cap with grooved edges for grip; pressure rating printed on cap in metric and standard psi
  • Color-coded seals: Red = 1.6K (23 psi), Green = 1.8K (26 psi), Blue = 2.1K (30 psi)
  • High-temperature silicone seals
  • Include high-temperature metal film warning decal and adhesive
  • For competition use on most Hondas, Kawasakis, Suzukis and Yamahas
  • DESCRIPTION
    P ART  #
    SUG. RETAIL
    DESCRIPTION
    P ART  #
    SUG. RETAIL
    23 psi (red)
    1903-0011
    $26.95
    30 psi (blue)
    1903-0013
    $33.95
    26 psi (green)
    1903-0012
    33.95
    STANDARD-PRESSURE
    RADIATOR CAPS
  • Available in zinc-plated (gold), black
  • and chrome finishes
  • High-temperature silicone seals
  • 1903-0008
    1903-0009
    1903-0010
  • 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 Hondas, Kawasakis, Suzukis and Yamahas
  • DESCRIPTION
    P ART  #
    SUG. RETAIL
    DESCRIPTION
    P ART  #
    SUG. RETAIL
    Standard radiator cap, zinc plated (gold)
    1903-0008
    $18.95
    Grip-style radiator cap, chrome
    1903-0010
    $26.95
    Standard radiator cap, black
    1903-0009
    19.95
    RADIATOR CAP
  • Stainless steel construction
  • Rated at 21 psi
  • SUG. RETAIL ............................................................... $27.95 PART #
    1902-0207
    DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
    SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
    2018 PARTS UNLIMITED OFFROAD