AC Pipe Fittings

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1/8" NPT Female

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1/4" NPT Male

35 products

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Products

-7%

Earls |

#425991001ERL

Earls 991001ERL Blue 1/8 Inch NPT to 1/8 Inch NPT Female Coupling

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Angle:

Straight

$10.42

/each

$11.27

-7%

Earls |

#425AT991501ERL

Earls AT991501ERL Female 1/8 In NPT to Male 1/8 In NPT 45 Degree Elbow

Fitting End A:

1/8" NPT Male

Fitting End B:

1/8" NPT Male

Angle:

45 degree

$25.36

/each

$27.43

-7%

Earls |

#425AT991701ERL

Earls AT991701ERL 1/8 Inch NPT Female Tee Fitting, Anodized Aluminum

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Fitting End C:

1/8" NPT Female

$20.89

/each

$22.60

AutoMeter |

#1822264

AutoMeter 2264 Temp. Gauge Probe Adapter Fitting,Brass 1/2 NPT

(1)

Fitting End A:

1/2" NPT Male

Fitting End B:

5/8" - 18

Angle:

Straight

$12.49

/each

AutoMeter |

#1822269

AutoMeter 2269 Press. Sensor Adapter Fitting, 1/8 NPT-1/8 BSPT

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" BSPT Male

Angle:

Straight

$25.99

/each

AN Fittings Install | How to Connect AN Fittings & Cut Braided Hose

AN fittings are a simple and effective way to plumb fluid systems in your car. This AN fittings install guide answers some of the more common questions pertaining to AN fittings and AN line.

Installing 3" Ram Horn Manifolds on a C/10

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

What Size of Exhaust Pipe Do I Need?

This dual exhaust size chart will help you choose the correct size exhaust pipe for your horsepower range.

LS Turbo Setups: Twin vs Single (with Sizing Guide)

Unleash power, save money with Speedway Motors. Turbo setups for your 4.8, 5.3, or 6.0 LS engine offer unmatched dollar-to-horsepower value. Get it right the first time with us!

How to Turbo Your SBC 350 | Turbo Size, Build Guide, Parts List

The classic 350 small-block Chevy is beloved for its simplicity and strength. And yes, you can turbocharge it to unlock modern levels of horsepower. Turbocharging a SBC 350 can transform your vintage V8 into a streetable, tire-shredding monster..

Automotive Fittings | IFF, IFM, AN, & NPT

What fittings should you use with your brake or fuel system? What does AN and NPT stand for? All of these questions plus more will be answered in Speedway Motors' latest article about fasteners!

Bel Air Brake Upgrade

Follow along as Speedway Tech Kevin W. updates the brakes on his Bel Air with a modern disc brake conversion kit.

Quick Tip on Securing AN Fittings

Dick from Koul Tools shares a tip on how to properly seat the AN fittings using the Koul Tools device.

Upgrading Your Air Cleaner Assembly

Learn the proper steps in upgrading your air cleaner assembly to ensure clean air, allowing your engine to more easily make the power that it should.

LT1 Engine Build Combinations | Recipes for 400–700+ HP

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

AutoMeter |

#1822270

AutoMeter 2270 Temp. Sender Adapter Fitting,Brass,1/2 In. NPT

Fitting End A:

1/2" NPT Male

Fitting End B:

5/8"-18

Angle:

Straight

$23.99

/each

AutoMeter |

#1823230

AutoMeter 3230 Blower Memory Kit for Mech. Boost Press. Gauges

Angle:

Straight

Material Type:

Steel

Finish:

Zinc Plated

$74.99

/each

AutoMeter |

#1822373

AutoMeter 2373 Auto Gage Mechanical Temperature Adapter Fitting

(1)

Fitting End A:

3/8" NPT Male

Fitting End B:

5/8"-18

Angle:

Straight

$26.99

/each

Aluminum Female Pipe Coupler Fitting, 1/8 Inch NPT, Blue Anodized

Speedway Motors |

#6176144

Aluminum Female Pipe Coupler Fitting, 1/8 Inch NPT, Blue Anodized

(2)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Angle:

Straight

$5.99

/each

-7%

Aluminum Female Pipe Coupler Fitting, 1/4 Inch NPT, Blue Anodized

Speedway Motors |

#6176145

Aluminum Female Pipe Coupler Fitting, 1/4 Inch NPT, Blue Anodized

Fitting End A:

1/4" NPT Female

Fitting End B:

1/4" NPT Female

Angle:

Straight

$9.59

/each

$10.37

-7%

Aluminum Female Pipe Coupler Fitting, 3/8 Inch NPT, Blue Anodized

Speedway Motors |

#6176146

Aluminum Female Pipe Coupler Fitting, 3/8 Inch NPT, Blue Anodized

(1)

Fitting End A:

3/8" NPT Female

Fitting End B:

3/8" NPT Female

Angle:

Straight

$12.49

/each

$13.45

-54%

Aeroquip |

#6176171

Aluminum Female Pipe Tee, 1/8 Inch

(4)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Fitting End C:

1/8" NPT Female

$20.99

/each

$46.40

Speedway Motors |

#6171300

Steel Female 1/8 Inch NPT Tee Fitting

(3)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Fitting End C:

1/8" NPT Female

$13.49

/each

Speedway Motors |

#6171302

Steel 1/8 Inch NPT Run Tee Fitting

(9)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Fitting End C:

1/8" NPT Male

$14.49

/each

Speedway Motors |

#6171306

Steel 1/8 Inch NPT Male Pipe Nipple

(7)

Fitting End A:

1/8" NPT Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$4.49

/each

Longacre |

#47543525

Longacre® 52-43525 SMi Pressure Sensor Adapter

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Male

Angle:

Straight

$30.99

/each

AutoMeter |

#1822278

AutoMeter 2278 Sender Adapter Fitting, Brass, 1/8 NPT - M12x1.75

(2)

Fitting End A:

1/8" NPT Female

Fitting End B:

12mm-1.75

Angle:

Straight

$18.49

/each

AutoMeter |

#1823272

AutoMeter 3272 90 Degree Compression Adapter Fitting,Press Gauges

Fitting End A:

1/8" NPT Female

Fitting End B:

3/8" NPT Male

Angle:

90 degree

$16.49

/each

AutoMeter |

#1823280

AutoMeter 3280 Fuel Rail Adapter Fitting, 1/16 NPT-1/8 NPT

Fitting End A:

1/8" NPT Female

Fitting End B:

1/16" NPT Male

Angle:

Straight

$20.99

/each

-7%

Earls |

#425961701ERL

Earls 961701ERL 1/8 Inch NPT Female Brake Adapter Tee, Zinc Plated

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Fitting End C:

1/8" NPT Female

$14.85

/each

$16.07

-7%

Earls |

#425991401ERL

Earls 991401ERL 1/8 In NPT Female to 1/8 In NPT Male 90 Degree Elbow

(6)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$14.92

/each

$16.14

-7%

Earls |

#425991501ERL

Earls 991501ERL 1/8 In NPT Female to 1/8 In NPT Male 45 Degree Elbow

(1)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Male

Angle:

45 degree

$19.43

/each

$21.02

-7%

Earls |

#425991701ERL

Earls 991701ERL Blue Anodized 1/8 Inch NPT Female Tee, Aluminum

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Fitting End C:

1/8" NPT Female

$20.89

/each

$22.60

-7%

Earls |

#425AT991101ERL

Earls AT991101ERL 1/8 Inch NPT to 1/8 Inch NPT Male Coupling

Fitting End A:

1/8" NPT Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$10.42

/each

$11.27

-7%

Earls |

#425AT991103ERL

Earls AT991103ERL 3/8 Inch NPT to 3/8 Inch NPT Male Coupling

Fitting End A:

3/8" NPT Male

Fitting End B:

3/8" NPT Male

Angle:

Straight

$19.36

/each

$20.95

-7%

Earls |

#425AT991401ERL

Earls AT991401ERL Female 1/8 In NPT to Male 1/8 In NPT 90 Degree Elbow

(1)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$25.36

/each

$27.43

AutoMeter |

#1822263

AutoMeter 2263 Temp. Gauge Probe Adapter Fitting,Brass 3/8 NPT

(3)

Fitting End A:

3/8" NPT Male

Fitting End B:

5/8" - 18

Angle:

Straight

$12.49

/each

-68%

Aeroquip |

#6176173

Aluminum Female Pipe Tee, 3/8 Inch

(2)

Fitting End A:

3/8" NPT Female

Fitting End B:

3/8" NPT Female

Fitting End C:

3/8" NPT Female

$20.99

/each

$65.90

Speedway Motors |

#6171400

Brass 1/8 Inch NPT Tee Fitting

(1)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Fitting End C:

1/8" NPT Female

$4.49

/each

Steel 1/8 Inch NPT Branch Tee Adapter Fitting

Speedway Motors |

#6171304

Steel 1/8 Inch NPT Branch Tee Adapter Fitting

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Fitting End C:

1/8" NPT Male

$18.49

/each

Goodridge |

#6176147

Goodridge AN910-04 Female Pipe Coupler Fitting, 1/2 NPT, Blue

(1)

Fitting End A:

1/2" NPT Female

Fitting End B:

1/2" NPT Female

Angle:

Straight

$7.99

/each

Threaded Male Pipe Nipple Coupler Fitting, 1/8 Inch NPT, Blue Anodized

Speedway Motors |

#6176150

Threaded Male Pipe Nipple Coupler Fitting, 1/8 Inch NPT, Blue Anodized

(1)

Fitting End A:

1/8" NPT Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$2.99

/each

Threaded Male Pipe Nipple Coupler Fitting, 1/4 Inch NPT, Blue Anodized

Speedway Motors |

#6176151

Threaded Male Pipe Nipple Coupler Fitting, 1/4 Inch NPT, Blue Anodized

(1)

Fitting End A:

1/4" NPT Male

Fitting End B:

1/4" NPT Male

Angle:

Straight

$6.99

/each

Threaded Male Pipe Nipple Coupler Fitting, 3/8 Inch NPT, Blue Anodized

Speedway Motors |

#6176152

Threaded Male Pipe Nipple Coupler Fitting, 3/8 Inch NPT, Blue Anodized

(2)

Fitting End A:

3/8" NPT Male

Fitting End B:

3/8" NPT Male

Angle:

Straight

$9.49

/each

Edelbrock |

#3258096

Edelbrock 8096 Low-Profile Vacuum Fitting Reducers, 90 Degree, Brass

(1)

Fitting End A:

1/8" NPT Female

Fitting End B:

3/8" NPT Male

Angle:

90 degree

$24.95

/each

Showing all 35 results

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AC Pipe Fittings

Fitting End A

Brand

Application

Department

Availability

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Price

Customer Rating

Products

Earls 991001ERL Blue 1/8 Inch NPT to 1/8 Inch NPT Female Coupling

Earls AT991501ERL Female 1/8 In NPT to Male 1/8 In NPT 45 Degree Elbow

Earls AT991701ERL 1/8 Inch NPT Female Tee Fitting, Anodized Aluminum

AutoMeter 2264 Temp. Gauge Probe Adapter Fitting,Brass 1/2 NPT

AutoMeter 2269 Press. Sensor Adapter Fitting, 1/8 NPT-1/8 BSPT

Related Articles

AutoMeter 2270 Temp. Sender Adapter Fitting,Brass,1/2 In. NPT

AutoMeter 3230 Blower Memory Kit for Mech. Boost Press. Gauges

AutoMeter 2373 Auto Gage Mechanical Temperature Adapter Fitting

Aluminum Female Pipe Coupler Fitting, 1/8 Inch NPT, Blue Anodized

Aluminum Female Pipe Coupler Fitting, 1/4 Inch NPT, Blue Anodized

Aluminum Female Pipe Coupler Fitting, 3/8 Inch NPT, Blue Anodized

Aluminum Female Pipe Tee, 1/8 Inch

Steel Female 1/8 Inch NPT Tee Fitting

Steel 1/8 Inch NPT Run Tee Fitting

Steel 1/8 Inch NPT Male Pipe Nipple

Longacre® 52-43525 SMi Pressure Sensor Adapter

AutoMeter 2278 Sender Adapter Fitting, Brass, 1/8 NPT - M12x1.75

AutoMeter 3272 90 Degree Compression Adapter Fitting,Press Gauges

AutoMeter 3280 Fuel Rail Adapter Fitting, 1/16 NPT-1/8 NPT

Earls 961701ERL 1/8 Inch NPT Female Brake Adapter Tee, Zinc Plated

Earls 991401ERL 1/8 In NPT Female to 1/8 In NPT Male 90 Degree Elbow

Earls 991501ERL 1/8 In NPT Female to 1/8 In NPT Male 45 Degree Elbow

Earls 991701ERL Blue Anodized 1/8 Inch NPT Female Tee, Aluminum

Earls AT991101ERL 1/8 Inch NPT to 1/8 Inch NPT Male Coupling

Earls AT991103ERL 3/8 Inch NPT to 3/8 Inch NPT Male Coupling

Earls AT991401ERL Female 1/8 In NPT to Male 1/8 In NPT 90 Degree Elbow

AutoMeter 2263 Temp. Gauge Probe Adapter Fitting,Brass 3/8 NPT

Aluminum Female Pipe Tee, 3/8 Inch

Brass 1/8 Inch NPT Tee Fitting

Steel 1/8 Inch NPT Branch Tee Adapter Fitting

Goodridge AN910-04 Female Pipe Coupler Fitting, 1/2 NPT, Blue

Threaded Male Pipe Nipple Coupler Fitting, 1/8 Inch NPT, Blue Anodized

Threaded Male Pipe Nipple Coupler Fitting, 1/4 Inch NPT, Blue Anodized

Threaded Male Pipe Nipple Coupler Fitting, 3/8 Inch NPT, Blue Anodized

Edelbrock 8096 Low-Profile Vacuum Fitting Reducers, 90 Degree, Brass

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