Defender Home Page
Phone: 800-628-8225 Fax: 800-654-1616 Int'l.: 860-701-3400 Email: Contact Us
Follow us on Facebook
Shipping Info
Defender Home Page
Your Cart
null View Cart View Shopping Cart
null Check My Order(s)
null Track My Package(s)
Conversion Chart
Shopping Areas
Boats & Motors
null Defender Seal null
promo A
promo B
promo C
promo D
Raymarine ST300 / P371 Thru-Hull Low-Profile Shorty Transducer
Save up to $1500 on Raymarine packages via manufacturer mail-in rebate. Spend $2500 = $250 rebate, $5000 = $500 rebate, $7500 = $750 rebate, $10000 = $1000 rebate. Additional $250 if upgrading from existing Raymarine. See rebate form for details.

Raymarine ST300 / P371 Thru-Hull Low-Profile Shorty Transducer

  • Function: Speed / Temperature, Material: Plastic
  • Pulse Rate: 4.8 Hz per Knot, Speed Range: 1 - 40 Knot (1 to 46 MPH)
  • Compatible with Raymarine ST40, i40, ST60, i50, ST290, ST70* and i70*
  • Item #: 
    Model #: 


    Shipping Weight: 
    1.45 Lbs.
    List Price: 
    Our Price:
    Status:  null In Stock

    Quantity : 
    Refit your Storm-Damaged Electronics during the Raymarine Hurricane Refit Program!

    Raymarine ST300 / P371 Thru-Hull Low-Profile Shorty Transducer


    • ST300 speed and water temperature sensor in P371 low-profile housing option
    • Economical, short thru-hull speed and water temperature sensor
    • Designed for fiberglass and aluminum hulls with limited headroom
    • P371 outer housing is nearly flush and minimizes drag with only 3/16" protruding outside hull
    • Right-angle cable exit offers low headroom and protection when transducer is stepped on
    • Housing is ABYC H-27 compliant
    • Self-closing sea valve reduces waterflow when paddlewheel is removed for cleaning
    • Fins on sides of paddlewheel cavity provide improved accuracy in cross-flow conditions
    • Unit is supplied with blanking plug
    • Rubber washer (included) allows tightening of hull nut to irregular hull surfaces
    • P371 housing suitable for cruising sailboats and planing powerboats
    • Compatible with Raymarine ST40, i40, ST60, i50, ST290, ST70* and i70*


    • Raymarine Model No. E26008
    • Mount: Thru-hull
    • Housing Material: Plastic
    • Cable Length: 33 ft
    • Power: 5 Volt DC - 25 Volt DC
    • Current 100 mA at 12 Volt DC
    • Nominal Pulse Rate: 4.8 Hz per knot
    • Speed Range: 0.1 - 40 knots
    • Compatible Hull Materials: Fiberglass or metal
    • Hole Diameter for Installation: 2"
    • Dimensions: 2.96" H x 2.94" OD

    *Note: Use with an ST70 or an i70 instrument requires use of an iTC5 Instrument Transducer Converter (E70010)

    Click Here for a Data Sheet for this Product


    MDR Anti-Fouling Transducer Paint
    Item #: 252077
  • Water-Based Cuprous Oxide Anti-Fouling Paint
  • Easy to Use, Resists Barnacles and Marine Growth in Salt or Fresh Water
  • Size: 2 fl. oz., Color: Black
  •  Include
    Model #:
    Raymarine i40 Speed Instrument Display
    Item #: 259368
  • Instrument Display Only - Transducer Sold Separately
  • Functions: Current Speed, Max. and Average Speed, Trip, Log, Sea Temperature
  • Display: Monochrome LCD with 1.1" Digits, Red Backlighting
  •  Include
    Model #:
    Raymarine i40 BiData Instrument Display
    Item #: 259371
  • Depth and Speed Instruments Combined in a Single Multifunction Display
  • Functions: Speed, Depth, Log and Sea Temperature with Multiple Alarms
  • Display: 2-Line Monochrome LCD with 1.1" Max. Digits, Red Backlighting
  •  Include
    Model #:
    Raymarine Mounting Bracket
    Item #: 257746
  • Designed for ST40 and i40 Instruments
  • Package Includes Bracket and Mounting Hardware
  •  Include
    Model #:
    Aquagard Anti-Fouling Transducer Paint
    Item #: 751103
  • Marine Grade Aerosol Anti-Fouling Paint for Nylon or Bronze Transducers
  • Inhibits the Growth of Algae, Barnacles and Other Growth
  • Size: 6 fl. oz., Color: Black
  •  Include
    Model #:

    Have A Suggestion?

    Help us make our site better for everyone! Let us know you've found something wrong or frustrating on this page and we will improve it. Please mark each that apply.

    Product has been improperly categorized
    Page loads too slowly
    Product information is incorrect
    Page has errors or bugs
    Site is frustrating or difficult to use
    Product image is missing or wrong
    Cannot find my size
    Spelling errors on page
    Not enough product information

    Comments or Examples:
    Examples: Missing information such as dimensions and model number, typos, inaccuracies, etc...

    Please include your e-mail address below if you would like us to respond to your comments or questions.             

    Join Our Email List And Receive our Monthly Promotions
    Defender Email Specials
    Click Here For Our Privacy Policy