Oil temperature climbs faster than coolant temperature under hard use, and this Stewart Warner Deluxe gauge gives a direct mechanical reading so drivers can catch an overheating oil supply before it causes engine damage. The 144 in. capillary tube reaches from a rear-mounted dash to a pan or filter adapter fitting.

Stewart Warner M-82327-144 Technical Specifications:

• Reads 140-325 degrees F of oil temperature.
• 144 in. gas-filled capillary tube included.
• 2-1/16 in. black face with white graphics and a patented light ring.
• Low-profile stainless steel bezel resists corrosion.
• Tube length is fixed at the factory and cannot be shortened or spliced.