AutoMeter Engine Oil Temperature Gauge
AutoMeter P322328 Spek-Pro Oil Temperature Gauge 2-1/16" 300°F Digital Stepper Motor
AutoMeter 4340 Ultra-Lite Oil Temperature Gauge 2-1/16" 100-340°F Digital Stepper Motor
AutoMeter 2542 Oil Temperature Gauge 2 1/16" 100-250°F Electric Traditional Chrome
AutoMeter 2543 Oil Temperature Gauge 2-1/16" 140-300°F Electric Traditional Chrome
AutoMeter 2275 Brass Adapter Fitting M16x1.5 Male to 5/8-18 Female for Mechanical Temperature Gauges
AutoMeter 4356 Ultra-Lite Oil Temperature Gauge 2-1/16" 100-340°F Digital Stepper Motor
AutoMeter 3656 Sport-Comp II Oil Temperature Gauge 2-1/16" 140-280°F Digital Stepper Motor
AutoMeter 5441 Pro-Comp Oil Temperature Gauge 2-5/8" 140-280°F Mechanical Liquid Filled
AutoMeter 2441 Oil Temperature Gauge 2-1/16" 140-280°F Mechanical Traditional Chrome
AutoMeter 4241 Ultra-Lite 2-5/8" Oil Temperature Gauge 140-280°F Mechanical Glow-in-Dark
Why Engine Oil Temperature Monitoring Matters
Engine oil does far more than lubricate — it carries heat away from critical components under load. When oil temperature climbs beyond safe operating limits, viscosity breaks down, film strength drops, and catastrophic engine wear can follow. Engine oil temperature gauges give drivers the real-time data needed to catch thermal stress before it becomes terminal damage. AutoMeter has been engineering precision instrumentation since 1957, and their oil temperature gauge lineup reflects decades of refinement built for everything from daily drivers to full-race applications.
AutoMeter's Technology Advantage in Oil Temp Gauges
What separates AutoMeter from generic gauge brands is the quality of their core measurement technology. Their electric oil temperature gauges are built around a patented air-core meter movement — a design that delivers highly accurate and durable readings while keeping hot oil lines safely outside the cabin. The air-core units use a simple single-wire, 1/8" NPT temperature sender, making installation accessible even for home builders.
For the highest possible needle precision, AutoMeter also offers gauges driven by a Digital Stepper Motor. This drive system keeps needle movement smooth and precise, and the accuracy is further enhanced by a self-calibration sequence that runs automatically at power-up. For mechanical purists, the Pro-Comp liquid-filled mechanical gauges use AutoMeter's ultra-precise bourdon tube meter movement with a capillary tube that requires no electrical system at all — fully compatible with every street or race vehicle.
Series Options to Match Every Build
AutoMeter's oil temperature gauges span multiple series, so there's a style and feature set to match any cockpit aesthetic or performance demand:
- Sport-Comp — A longtime favorite for performance street and track builds, available in air-core electric versions covering ranges like 100–250°F and 140–340°F in the 2-1/16" format.
- Ultra-Lite — Engineered for motorsports weight savings, featuring satin anodized aluminum faces and black accents that are easy to read at a glance, available in multiple temperature spans.
- Pro-Comp — Liquid-filled mechanical units in 2-5/8" housings with liquid-dampened movement for superior resistance to shock, vibration, and harsh operating environments. Available with 6 ft. or 12 ft. capillary tubes.
- Cobalt Digital — A clean digital readout option spanning 0–340°F for drivers who prioritize an immediate numeric read rather than a swept needle.
- Elite — Stepper motor-driven units using a two-wire temperature transducer and self-calibrating startup sequence for maximum accuracy in demanding applications.
- Z-Series — A proven 270-degree sweep design with durable nylon gearing, available in both mechanical and electric configurations.
Gauge sizes span 2-1/16" and 2-5/8", and temperature ranges cover a wide spectrum — from as low as 0°F up to 340°F, as well as Celsius-calibrated dials — ensuring compatibility with virtually any installation requirement. Every kit ships with the sender, NPT adapters, mounting hardware, and detailed instructions, so the guesswork is removed from installation day.
Built for Racers, Trusted by Enthusiasts
AutoMeter's gauges carry a race-proven reputation earned over more than 60 years of instrumentation development. Whether you're building a weekend track car that demands split-second feedback, or a street machine where you simply want peace of mind on long pulls, the combination of patented movement technology, broad series selection, and comprehensive temperature ranges makes AutoMeter a benchmark choice in the engine oil temperature gauge category. Explore the full AutoMeter catalog to see how their instrumentation philosophy extends across every vital engine parameter.