{"product_id":"sierra-3-marine-tachometer-tach-7k-0-7000-rpm-black-dial-12v-low-draw-gauge","title":"Sierra 3\" Marine Tachometer Tach 7K 0-7000 RPM – Black Dial, 12V Low-Draw Gauge","description":"\u003cp\u003e\u003cstrong\u003eThe Sierra International 58255P Tach 7K is a 3-inch marine tachometer engineered to display 0–7000 RPM for 12 VDC 4-stroke outboard engines with clear, high-contrast readout and durable curved glass lens.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact instrument combines a deep-black dial with red graduation marks, bold white numerals, and a bright white pointer for rapid legibility when piloting or troubleshooting. Designed for 12 VDC electrical systems and low current draw, the gauge mounts in a 3.43\" panel opening and provides both perimeter and through-dial illumination for low-light visibility. Its nearly flush black bezel and scratch-resistant curved glass give a finished, rugged look suitable for marine helm panels.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this tachometer read reliably on my boat?\u003c\/h3\u003e\n\u003cp\u003eThe Tach 7K uses a clear, high-contrast dial layout and a vivid pointer that reduces interpretation time at sea. Backlighting options keep the face visible at dusk and during night passages without overwhelming the instrument cluster.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDial range: 0–7000 RPM, scaled for typical 4-stroke outboard operation\u003c\/li\u003e\n\u003cli\u003eHigh-contrast colors: black background, red graduations, white numerals\u003c\/li\u003e\n\u003cli\u003ePerimeter and through-dial lighting for even illumination\u003c\/li\u003e\n\u003cli\u003eBright white pointer for rapid reference under motion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical and electrical installation requirements?\u003c\/h3\u003e\n\u003cp\u003eThe gauge is sized to fit a nominal 3\" instrument footprint but requires a 3.43\" mounting hole for proper bezel clearance. It operates from a 12 VDC system and draws minimal current, making it compatible with most modern outboard electrical setups.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePhysical diameter: 3\" dial, requires 3.43\" hole size\u003c\/li\u003e\n\u003cli\u003eBezel: black, near-flush for a low-profile helm appearance\u003c\/li\u003e\n\u003cli\u003eVoltage: 12 VDC — standard boat electrical supply\u003c\/li\u003e\n\u003cli\u003eCurrent draw: approximately 0.10–0.15 A, conserving power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and readable is the face in marine conditions?\u003c\/h3\u003e\n\u003cp\u003eThe instrument features a curved glass lens that resists scratching and maintains clarity after regular use. The near-flush bezel design helps protect the crystal from snagging and impacts near the helm, while the color scheme and pointer style prioritize legibility in variable light and sea states.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eScratch-resistant curved glass lens for long-term clarity\u003c\/li\u003e\n\u003cli\u003eNear-flush black bezel minimizes exposure to knocks\u003c\/li\u003e\n\u003cli\u003eRobust face styling preserves readability under motion\u003c\/li\u003e\n\u003cli\u003eLighting options maintain visibility in low light\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Sierra 58255P Tach 7K is aimed at boat owners, mechanics, and marine electricians who need a compact, reliable tachometer for 4-stroke outboard engines running on 12 VDC. It suits anglers, day cruisers, and small-boat operators who value clear readings, low power draw, and a bezel profile that integrates neatly into standard helm clusters. Choose this gauge when you want a durable, easy-to-read tachometer that fits a 3\" instrument panel with a 3.43\" hole and supports routine marine use without elaborate installation requirements.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What RPM range does the Sierra Tach 7K display?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It displays 0–7000 RPM, suitable for most 4-stroke outboard engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the power requirements and current draw?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Operates on 12 VDC and draws about 0.10–0.15 A.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48081460330654,"sku":"B000C4O0KK","price":142.01,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sierra-tach-7k-front-view.jpg?v=1785805599","url":"https:\/\/northtrailauto.ca\/products\/sierra-3-marine-tachometer-tach-7k-0-7000-rpm-black-dial-12v-low-draw-gauge","provider":"North Trail Auto","version":"1.0","type":"link"}