SKU: ATM2281
UPC: 046074022814
MPN: 2281
The AutoMeter Heater Hose Adapter - 3/4 in is a precision brass fitting engineered for temperature gauge installation in automotive cooling systems. This straight adapter connects 3/4-inch hose barb ports to a 1/8-inch NPT gauge port, allowing accurate engine coolant temperature monitoring through direct system integration. Constructed from brass in natural finish, the adapter provides corrosion resistance and reliable long-term performance in high-temperature engine bay environments.
The 3/4-inch hose barb configuration accommodates standard cooling system hose diameters found on many street performance, restoration, and OEM engine builds. The 1/8-inch NPT gauge port accepts AutoMeter temperature gauge senders and analog instrument cluster inputs, enabling real-time coolant temperature readouts on the dashboard. Brass construction withstands repeated thermal cycling and coolant chemistry without degradation, maintaining a secure, leak-free seal across thousands of operating hours. The straight-flow design minimizes pressure drop while supporting full system circulation.
This adapter serves engine builders, restoration shops, and enthusiasts installing aftermarket temperature monitoring on custom cooling systems, LS engine swaps, carburetor conversions, and vintage vehicle restorations. It is essential for applications requiring independent coolant temperature sensing separate from factory OEM gauge networks, or where OEM cooling lines lack integrated gauge ports. The adapter integrates seamlessly into existing AutoMeter gauge systems and aftermarket cooling configurations.
Temperature gauge adapters are fundamental plumbing components in custom automotive instrumentation. The 3/4-inch barb size aligns with common performance radiator hose and heater hose standards, making this adapter compatible with a wide range of engine platforms and cooling architectures. Proper coolant temperature visibility enables early detection of cooling system issues, supports engine tuning optimization, and provides critical data logging for track vehicles and high-performance applications.
SKU: ATM2281 | MPN: 2281 | Weight: 0.46 lbs | Dimensions: 5.7 x 1.35 x 7.75 inches
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