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Mechanical Temperature Gauge Adapters

These adapters are all designed to accept either the 5/8-18 thread found on Auto Meter and Stewart-Warner mechanical temperature gauges, or the 3/8 BSP thread used on Racetech and Smiths gauges.

Note that the 3/8 BSP thread is very close to 5/8-18. The thread pitch is very close (19 threads per inch for BSP vs. 18 threads per inch for 5/8-18). 3/8 BSP has a slightly larger thread diameter (0.67" nominal OD) than 5/8-18 (0.625" nominal OD). A 5/8-18 fitting may thread into a 3/8 BSP hole, but it will be loose.

Recent Top Seller for this product group

Oil Temperature Probe Adapter Fitting, 5/8-18 to AN Tee

Oil Temperature Probe Adapter Fitting, 5/8-18 to AN Tee

Install your mechanical temperature gauge sensing bulb in any standard AN824-style 8AN, 10AN, 12AN, or 16AN male tee fitting using this adapter!

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Part No.
Description
Price
Status
Inline Oil Temperature Gauge Adapter

1227-Size 

Inline Oil Temperature Gauge Adapter

$92.99In Stock
Oil Temperature Probe Adapter Fitting, 5/8-18 to AN Tee

3497-010-Size 

Oil Temperature Probe Adapter Fitting, 5/8-18 to AN Tee

$17.49
to
$23.49*
In Stock
Inline Temp Gauge Adapter for 1 - 1.25" Hose, 3/8 NPT Female

AM2282 

Inline Temp Gauge Adapter for 1 - 1.25" Hose, 3/8 NPT Female

$49.99*In Stock
Inline Temp Gauge Adapter for 1.50" Hose, 3/8 NPT Female

AM2283 

Inline Temp Gauge Adapter for 1.50" Hose, 3/8 NPT Female

$49.99*In Stock
Auto Meter Weld-in Adapter for Mechanical Temp Gauges, Steel

AM2261 

Auto Meter Weld-in Adapter for Mechanical Temp Gauges, Steel

$13.99In Stock
1 inch Aluminum Hose Plug with 5/8-18 Female Port

3228-111 

1 inch Aluminum Hose Plug with 5/8-18 Female Port

$19.99*In Stock
NPT Mechanical Temperature Gauge Adapter

1074-Thread-Size 

NPT Mechanical Temperature Gauge Adapter

$16.99In Stock
3/8 NPT Mechanical Temperature Gauge Adapter, Brass

AM2263 

3/8 NPT Mechanical Temperature Gauge Adapter, Brass

$9.99In Stock
1/2 NPT Mechanical Temperature Gauge Adapter, Brass

AM2264 

1/2 NPT Mechanical Temperature Gauge Adapter, Brass

$9.99In Stock
3/8 NPT Mechanical Temperature Gauge Adapter, Aluminum

AM2272 

3/8 NPT Mechanical Temperature Gauge Adapter, Aluminum

$13.99In Stock
1/2 NPT Mechanical Temperature Gauge Adapter, Aluminum

AM2273 

1/2 NPT Mechanical Temperature Gauge Adapter, Aluminum

$12.99In Stock
M16x1.5 Mechanical Temperature Gauge Adapter, Brass

AM2275 

M16x1.5 Mechanical Temperature Gauge Adapter, Brass

$13.99*In Stock
Mechanical Temperature Gauge Bulb Extender Nut, 5/8-18

1209 

Mechanical Temperature Gauge Bulb Extender Nut, 5/8-18

$19.99In Stock
Racetech 5/8-18 Temperature Bulb Adapter

1098 

Racetech 5/8-18 Temperature Bulb Adapter

$14.99In Stock
Inline Temp Gauge Adapter for 1.19" (30mm) Hose, w/ 3/8 BSP

HA30 

Inline Temp Gauge Adapter for 1.19" (30mm) Hose, w/ 3/8 BSP

$34.99*In Stock
Racetech 3/8 BSP Adapter  (Included with Gauge)

1097 

Racetech 3/8 BSP Adapter (Included with Gauge)

$15.99In Stock
10mm Copper Washer for Racetech Gauge Temp Bulb

1096 

10mm Copper Washer for Racetech Gauge Temp Bulb

$0.79In Stock
Racetech Gauge 12mm Temperature Bulb Copper Washer

1068-004 

Racetech Gauge 12mm Temperature Bulb Copper Washer

$0.99In Stock

  * Quantity Pricing Available