Engine Instruments

Sierra Thermostat Kit 18-3676

Sierra Thermostat Kit Mer-Nis-Toh 9.9-30Hp 18-43175Mercury/Mariner: Replaces- 855676002Fits: Mercury 15 Carb(2cyl) 4-Stroke(R235949& Up); 15 SeaPro 4-Stroke(R051685 & Up); 20 Carb(2cyl)4-Stroke(R235168 & Up); 25 EFI(3cyl)4-Stroke(R106999 & Up); 25 Jet...

Sierra Thermostat Kit-Yamaha #6H3-12411-11-00 18-3622Items ending in "D" are Display Packaged

Sierra Thermostat Yamaha # 60V-12411-00 18-3525Items ending in "D" are Display Packaged

Sierra White Premier Volt Gauge 62555PWhite dial; black graduations/numerals (metrics in blue); red pointerScratch resistant curved glass lenses; with polished stainless steel; near-flush bezelsU.S. and metric scales; with ISO symbols; where...

Sea-Dog Line Pitot Tube Shield Stainless 331310-1Vertically mounted, this will protect cables and electrical wiring on items such as depth sounders, speedometers and coax when passing through transom holes. 304 stainless steel. Carded.

Seachoice Hour Meter Chrome Bezel 15301 High impact polycarbonate caseSelf-lubricating parts, increases shelf life, reduces frictionPolarity insensitivity prevents installation errorsU-bracket mounting4V to 50V DCMeets NEMA and SAE specifications.

Sierra Amega Domed Speedo Kit 65 Mph 57900PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping. Design with domed glass sheds water and resists scratching...

Sierra Amega Gauge-Oil Pressure 80Psi 57903PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping. Design with domed glass sheds water and resists scratching...

Sierra Amega Gauge-Trim-Mer Vp Yam01 57905PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping. Design with domed glass sheds water and resists scratching...

Sierra Amega Tachometer BRP System Check J/E2 58935PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping. Design with domed glass sheds water and resists...

Sierra Amega Trim J/E Suz 4 Stroke 58431PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping. Design with domed glass sheds water and resists scratching...

Sierra Arctic 2 Fuel Gauge (E-F) 68365PStylish White bezel design; black on white graphics; accurate and reliable; these tough instruments look good on all types of boats. Domed glass sheds water and resists scratching. Instruments available for most...

Sierra Arctic 2 Voltmeter 8-18V Dc 68383PStylish White bezel design; black on white graphics; accurate and reliable; these tough instruments look good on all types of boats. Domed glass sheds water and resists scratching. Instruments available for most...

Sierra Arctic 3 Speedo Kit 65 Mph 68371PStylish White bezel design; black on white graphics; accurate and reliable; these tough instruments look good on all types of boats. Domed glass sheds water and resists scratching. Instruments available for most...

Sierra Arctic Gauge H20 Pres Ob 40Psi 68369PStylish White bezel design; black on white graphics; accurate and reliable; these tough instruments look good on all types of boats. Domed glass sheds water and resists scratching. Instruments available for...

Sierra Arctic Gauge-Trim-MerCruiser Yam01 68380PStylish White bezel design; black on white graphics; accurate and reliable; these tough instruments look good on all types of boats. Domed glass sheds water and resists scratching. Instruments available for...

Sierra Arctic Tachometer 7Krpm-Gas Ob-Io-Ib 68374PStylish White bezel design; black on white graphics; accurate and reliable; these tough instruments look good on all types of boats. Domed glass sheds water and resists scratching. Instruments available...

Sierra Black Sterling Trim-Ev Jn Suz 67365PBlack Sterling instruments have white graphics and black background on spun aluminum dial; scratch-resistant domed glass lens; perimeter lit dial; elite stainless steel bezel; black pointer with fire orange tip...

Sierra Driftwood 2 Trim Mar/MerCruiser 61551PBlack graphics on a light gray dial background. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are white with a black hub. Graphics light through the dial in blue...