AutoMeter 8305 Factory Match 2-1/16 inch 0-60 Psi Boost Gauge | 2001-2007 GM Silverado/Sierra 2500HD/3500HD Duramax

Features: - Accurately reads boost from 0 to 60 PSI - Mechanical design requires no wiring or power - Factory-matched LED backlighting for clean look - Simple 1/8" NPT pressure connection - Includes nylon tubing and all required fittings - Durable bourdon tube movement ensures accuracy - Proven performance in racing and street use - Matches OEM dash lighting and layout - Works with gas or diesel turbocharged engines - Includes mounting hardware and instructions Premium Boost Gauge for GM 2500HD/3500HD If you’re tuning your Duramax or simply want to keep an eye on boost pressure, the AutoMeter 8305 Factory Match Boost Gauge is a smart, reliable upgrade that blends in perfectly with your 2001–2007 Silverado or Sierra 2500HD/3500HD. This 2-1/16" gauge is built for turbocharged diesel and gas engines alike, offering precise boost readings from 0 to 60 PSI—so whether you're chasing power or monitoring for peace of mind, you’ll know exactly what your engine is doing under load. This is a mechanical-style gauge, which means there's no need to tap into your truck’s electrical system. It runs off a direct 1/8" NPT pressure connection and comes with everything you need for a straightforward install—including a 10-foot nylon line, compression fittings, and a 1/4” NPT adapter to fit a variety of setups. It’s simple, dependable, and rugged enough to handle the harsh conditions under the hood of a hard-working truck. Factory-Matched Design What makes this gauge especially appealing for GM owners is the factory-matched LED backlighting, which seamlessly integrates with your OEM gauge cluster. It doesn’t just work—it looks right at home. The display is clean and easy to read, even at night, and the bourdon tube movement inside delivers rock-solid accuracy, race-tested and proven over years of real-world abuse. Fits: 2003, 2004, 2005, 2006, 2007 GM 2500HD/3500HD