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External Fairings for Through-Hull Transducers

Fairings orient the sound beam straight down by mounting the transducer parallel to the water surface, and help to reduce turbulence. Transducers designed for use with a fairing must always have the fairing installed. Fairings should be cut to allow for hull deadrise and the removed top section should be installed inside the hull.

Always install the forward bolt to prevent fairing rotation.

Dimensions are taken from the top flat rectangular surface.

Fairing Part Part # Application
R99 04-482-03 High-performance fairing for R99, R109C and R109CW. Dimensions 22.44" x 5.48" 3.69".
R209 04-648-02 High-performance fairing for R209, R309, R509C and R509CW. Dimensions 23.12" x 6.68" 3.77".
Bolt Pack 20-352-01 Bolt kit for SS260 and SS270W
B44, B44V 33-028 Low-speed fairing for B44 and B44V. Dimensions 5.5" x 2.88" x 2".
B3 HP 33-144 High-performance fairing for B3 and Radarsonics 205. Dimensions 8" x 2.38" x 3".
R155 33-147 Fairing for R155 and R160. Dimensions 12.88" x 5.63" x 3.25".
B45 33-351-01 Low-speed fairing for B45. Dimensions 4.25" x 2.37" x 1.87".
SS505 HP 33-355-01 High-performance fairing for SS505. Dimensions 13.75" x 3' x 2.94".
B256 33-357-02 High-performance fairing for B256. Dimensions 22" x 4.88" x 4.25".
B260 33-391-01 High-performance fairing for B260, B265, B275, SS260 and SS270W. Dimensions 21.63" x 5.25" x 5.13".
B122 HP 33-409-01 High-performance fairing for B122. Dimensions 13.5" x 2.94" x 2.96".
B744V 33-428-01 Low-speed fairing for B744V, B744VL, B744VC and B744VLC. Dimensions 6.75" x 2.81" x 1.88".
Bolt Pack 33-442-01 Bolt kit for B258, B260 and B265.
Bolt Pack 33-443-01 Bolt kit for B45, B122, B744V and B744VL
B744V HP 33-476-01 High-performance fairing for B744V, B744VL, B744VC and B744VLC. Dimensions 13.6" x 3" x 3".
B45 HP 33-509-01 High-performance fairing for B45. Dimensions 13.75" x 2.56" 2.94".
B258 33-523-01 High-performance fairing for B258. Dimensions 22" x 5.25" x 5".
Lowrance 33-637-01 Standard fairing for LSS-1 Structure Scan. Dimensions 10.75" x 3.75" 1.62".
403 403FB Wood block fairing for Si-Tex 403. Dimensions 7.625" x 3" 1.73".