Autometer 4351 Ultra-Lite 2-1/16" Mechanical 140-280F Transmission Temperature Gauge

This gauge includes 8 feet of capillary tubing. You CAN NOT shorten the tubing! It is filled with ether gas. When the gas expands, the needle on the gauge rises.

Autometer does offer other adapter fittings depending on your needs. The tube nut on the tubing MUST push the probe against an adapter fitting. That is how the probe seals correctly. From underneath the tube nut to the end of the probe is roughly 1-5/8". If that is too long, Autometer does have the 2270 and 2271 extensions (sold separately).

Adapter fittings (sold separately except for the 2273):
• 2263 3/8" NPT brass adapter (same as 2272 but brass)
• 2272 3/8" NPT aluminum adapter (same as 2263 but aluminum)
• 2271 3/8" NPT brass extension


• 2264 1/2" NPT brass adapter (same as 2273 but brass)
• 2273 1/2" NPT aluminum adapter (same as 2264 but aluminum)
• 2270 1/2" NPT brass extension


• 2275 16mm 1.5 adapter
• 2261 Weld on steel bung adapter