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4-1/2" Sealed Beam PAR36 LED Replacement - 18W

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  • 18W PAR36 4-1/2" Replacement | 100W - 150W 4.5 inch sealed beam
  • 18W PAR36 4-1/2" Replacement | 100W - 150W 4.5 inch sealed beam
  • PAR36 Dimensions for LED Spreader Light
  • Marinebeam PAR36 LED Spreader Light shown in traditional housing


This LED sealed-beam replacement replaces the traditional type 4.5" PAR 36 spreader light bulbs used in PVC, rubber and Stainless Steel housings.  It also replaces the 35W and 55W GE H7606 halogen sealed-beams found in Aqua-Signal Series 41 Masthead/Foredeck lamps. 

This is the sealed beam replacement (bulb). If you are interested in the complete fixture, with sealed beam bulb, click here


LEDs: CREE LED emitters
Input Voltage: 9VDC - 32VDC
Wattage: 18 Watts
Amperage: 1.56A at 12VDC
Beam Angle: 25° Spot or 60° Flood
Color Temperature: 6,000°K (Cool White) or 3,000°K (Warm White)
Output: 1,800 Lumens (1,250 Lumens Warm White)
IP Rating: IP67
Mount Type: PAR36 , AR111, Sealed Beam Housing
Dimensions: 4-3/8" Diameter x 2" Depth
Dimmable: Via PWM
Lifetime 35,000 hours


18W LED replacement for traditional glass sealed beam PAR36 bulbs in 12V or 24V DC applications. This type of 4.5" sealed-beam LED bulb is used in spreader lights, utility lights, tractor headlights, aircraft landing lights, fueling lights, landscape lights, etc. Generally known as 4-1/2" sealed beam lamps, PAR36, or AR111 bulbs.  

Our 18W LED lamp features the latest US-made CREE LEDs for superior output to replace 100W to 150W halogens. This light is designed with a very similar appearance to a classic glass sealed-beam with the latest LED emitters, an impact-resistant clear polycarbonate lens, and integrated constant-current electronics. You are guaranteed not to be disappointed. Typical General Electric incandescent sealed-beam produces about 6.6 Lumens per Watt, while these LED sealed beams make about 100 Lumens per Watt. Choose between the 18W Cool White with 1800 Lumens of output in various beam angles or the Warm White option with 1,250 Lumens (100W+ Equivalent). This bulb has plenty of power to light up the deck, even with the tallest rigs.

Available in Spot (25°) or Flood (60°) beam. The spot beam provides an intense beam on the deck for higher mounting, while the flood provides a more muted diffused beam that covers a larger area.  

Beam Angle Calculator (Click Here)

  • Clear polycarbonate (Lexan) lens, aluminum body
  • Standard 1/4"(6.35mm) spade terminals (marked + and -)
  • Available in Spot (25°) 9,198 Max Candela, or Flood (60°) 1,674 Max Candela beam
  • 12V or 24VDC input
  • Integrated constant-current electronics for the longest life
  • GORE type vent membrane on back equalizes pressure while blocking water and other contaminants. Improves performance and service life

 If used in tractors and farm equipment, this lamp replaces these OEM part numbers:

Allis Chalmers: 70239804
John Deere: AF3892R, AT25451, RE336111, RE285628, RE561116, RE561117
Case: A11280, D71409, D70115, 373662R1, 373662R91
Caterpillar: 7T-1371, 7G-9319, 6N-7987
GE 7606, GE H7606
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