3/8" NPT Fittings

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Pick Your Swap Vehicle +
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Chevrolet Vehicles
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A Body 64-67 Chevelle
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A Body 68-72 Chevelle
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B Body 65-70 Impala
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Corvette C3 68-82
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Corvette C4 84-96
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F Body 67-69 Camaro
-
F Body 70-81 Camaro
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F Body 82-92 Camaro
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G Body 78-88
-
55-57 Tri-Five Chevy
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Truck 47-55 (full sized)
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C10 Truck 60-66 (full sized)
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C10 Truck 67-72 (full sized)
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C10 Truck 73-87 (full sized)
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Truck 88-95 TBI (full sized)
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Truck 96-98 Vortec (full sized)
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Chevy S10 82-93
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Chevy S10 94-04
-
X Body 62-67 Chevy II
-
Other Swap Vehicles
 +
-
BMW E36/E46 92-06
-
Ford Mustang (Fox Body) 79-93
-
Lamborghini Gallardo 04-12
-
Subaru BRZ 2012 and Newer
-
Nissan 350Z 03-08
-
Nissan 240SX 88-98
-
Can’t find your vehicle? Submit a request
Swap Guides +
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LS Swap Guide (Gen 3 and 4)
 +
-
LS Crank Pulley (Harmonic Balancer)
-
LS Water Pump
-
LS Power Steering Pump
-
LS Alternator
-
LS A/C Compressor
-
LS Gen III vs Gen IV
-
LS RPO Code Specs
-
LS Crankshaft
-
LS Intake Ports
-
LS Ignition Coils
-
LS Fuel Injectors
-
LS Throttle Body
-
LS Supercharger
-
LS Torque Specs
-
LS Oil Pan
-
LS Wire Connectors
-
LS Wiring Guide (Gen III DBC)
-
LS Fittings
-
LT Swap Guide for Gen V from ICT Billet
 +
-
LT Crank Pulley (Harmonic Balancer)
-
LT Water Pump
-
LT Alternator
-
LT Intake Ports
-
LT Throttle Body
-
LT Supercharger
-
LT Oil Pan
-
LT RPO Code Specs
-
ICT Billet LS Swap Guide for Bracket Locator
-
ICT Billet LT Swap Guide for Bracket Locator
LS Parts +
-
LS Accessory Brackets
 +
-
1 Chevy Corvette, Chevy SS, Cadillac CTS-V, & Pontiac G8 Accessory Brackets
 +
-
LS -1 A/C Brackets
-
LS -1 Alternator
-
LS -1 Alternator/Power Steering Brackets
-
LS -1 Power Steering Brackets
-
LS -1 Alternator Only Brackets
-
LS -1 Belt Tensioner Brackets
-
2 1998-2002 Chevy Camaro & Pontiac GTO LS1 Accessory Brackets
 +
-
LS -2 A/C Brackets
-
LS -2 Alternator Brackets
-
LS -2 Alternator/Power Steering Brackets
-
LS -2 Power Steering Brackets
-
LS -2 Alternator Only Brackets
-
LS -2 Belt Tensioner Brackets
-
3 Trucks & 2010-2015 Chevy Camaro Accessory Brackets
 +
-
LS -3 A/C Brackets
-
LS -3 Alternator
-
LS -3 Alternator/Power Steering Brackets
-
LS -3 Power Steering Brackets
-
Ls -3 Alternator Only Brackets
-
LS -3 Belt Tensioner Brackets
-
LS Coil Brackets
 +
-
Valve Cover Mounted
-
Remote Mount
-
Ignition Coils
-
LS Swap Adapters
 +
-
LS Fuel
-
Throttle Body
-
LS Oil
-
LS Transmission
-
LS Power Steering
-
LS Swap Engine Mounting Adapters
 +
-
LS Engine Mounts
-
LS Engine Mounting Motor Plates
-
LS Bolt Kits
 +
-
LS Internal Bolt Kits
-
LS External Bolt Kits
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LS Supercharger Bolt Kits
-
LS OEM Bracket Bolt Kits
-
LS Other Bolt Kits
-
LS Electrical/Wiring
 +
-
LS Adapters
-
LS Extensions
-
LS Pigtails
-
LS Harness
-
LS Component Kits
-
LS Accessories
 +
-
Alternators
-
Power Steering Pumps
-
Water Pumps
-
A/C Compressors & Fittings
-
Pulleys
-
Belt Tensioners
-
LS Engine Components
 +
-
Cylinder Head
-
Exhaust
-
Valve Cover
-
Valley Covers
-
Flywheel & Flexplate
-
Harmonic Balancer
-
Intake Manifold
-
Tools
-
Timing
-
Lifters
-
Block Offs
-
Sensors
-
Other (misc)
-
LS Internal Engine Components
-
LS Turbo
-
LS Supercharger
-
LS Cooling System
 +
-
Steam Ports
-
Sensor Adapters
-
Water Pump Spacers & Adapters
-
Other
LT Parts +
-
LT Accessory Brackets
 +
-
1 Chevy Corvette
-
2 Chevy Camaro, Cadillac CTS-V
-
3 Truck and SUV
-
LT Coil Brackets
-
LT Swap Adapters
 +
-
LT Power Steering
-
LS Cooling System
-
LT Fuel
-
LT Oil
-
LT Throttle Body
-
Transmission
-
LT Engine Mounts
 +
-
LT Engine Plates
-
LT Swap Mounts
-
LT Engine Mounts
-
LT Bolt Kits
 +
-
LT External Bolt Kits
-
LT OEM Bracket Bolt Kits
-
LT Electrical/Wiring
 +
-
LT Adapters
-
LT Extensions
-
LT Pigtails
-
LT Component Kits
-
LT Accessories
-
LT Engine Components
 +
-
LT Engine Valley Cover
-
LT Engine Valve Cover
-
Exhaust
-
LT Engine Other
-
Sensors
-
LT Intake Adapters
-
LT4 Supercharger
Fittings +
-
AN
 +
-
4AN
-
6AN
-
8AN
-
10AN
-
12AN
-
16AN
-
20AN
-
AN Orb (O-Ring)
 +
-
6AN
-
8AN
-
10AN
-
12AN
-
-16AN ORB
-
NPT
 +
-
1/8"
-
1/4"
-
3/8"
-
1/2"
-
3/4"
-
Weld
 +
-
NPT
-
Barb
-
AN
-
Bung
-
Metric
-
HOSE BARB
 +
-
3/16" Barb (4.8mm)
-
1/4" Barb (6.4mm)
-
5/16" Barb (8mm)
-
3/8" Barb (9.5mm)
-
1/2" Barb (12.7mm)
-
5/8" Barb (16mm)
-
3/4" Barb (19mm)
-
1" Barb (25.4mm)
-
1-1/4" Barb (32mm)
-
1-1/2" Barb (38mm)
-
1.75" Barb (44.5mm)
-
2" Barb (50.8mm)
-
2-1/2" Barb (63.5mm)
-
3" Barb (76.2mm)
-
PEX Fittings
 +
-
PEX
-
Air Compressor Fittings
 +
-
Air Compressor
-
Fuel
 +
-
3/8"
-
5/16"
-
1/2"
-
Metric
Electrical Wiring +
-
LS Electrical/Wiring
 +
-
LS Adapters
-
LS Extensions
-
LS Pigtails
-
LS Harness
-
LS Component Kits
-
LT Electrical/Wiring
 +
-
LT Adapters
-
LT Extensions
-
LT Pigtails
-
LT Component Kits
Imports +
- 350Z
- 240SX
- FRS / BRZ
ICT Merchandise +
- ICT Billet Stickers
- ICT Billet Shirts
- ICT Billet Hoodies
- ICT Billet Other Merch
Small Block Chevy (SBC) +
-
SBC Brackets
 +
-
Alternator & Power Steering
-
A/C
-
SBC Alternator Brackets
-
SBC Power Steering Brackets
- Bolts
- Mounting
- Valve Cover Adapters
- Other
- Torque Plates
Big Block Chevy (BBC) +
-
BBC Brackets
 +
-
Alternator & Power Steering
-
Alternator
-
BBC Powersteering Brackets
- Torque Plates
- Mounting
- Bolts
- BBC Valve Cover Spacers
- Other
Transmission +
- Bolts
- Block Offs
- Fittings
- Mounting
- Wiring
- Other
Other +
-
Bolts and Spacers
 +
-
Bolts
-
Spacers
- Diesel
- Ford
- Mopar
- Torque Plates
- Tools
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Categories

Pick Your Swap Vehicle +
-
Chevrolet Vehicles
 +
-
A Body 64-67 Chevelle
-
A Body 68-72 Chevelle
-
B Body 65-70 Impala
-
Corvette C3 68-82
-
Corvette C4 84-96
-
F Body 67-69 Camaro
-
F Body 70-81 Camaro
-
F Body 82-92 Camaro
-
G Body 78-88
-
55-57 Tri-Five Chevy
-
Truck 47-55 (full sized)
-
C10 Truck 60-66 (full sized)
-
C10 Truck 67-72 (full sized)
-
C10 Truck 73-87 (full sized)
-
Truck 88-95 TBI (full sized)
-
Truck 96-98 Vortec (full sized)
-
Chevy S10 82-93
-
Chevy S10 94-04
-
X Body 62-67 Chevy II
-
Other Swap Vehicles
 +
-
BMW E36/E46 92-06
-
Ford Mustang (Fox Body) 79-93
-
Lamborghini Gallardo 04-12
-
Subaru BRZ 2012 and Newer
-
Nissan 350Z 03-08
-
Nissan 240SX 88-98
-
Can’t find your vehicle? Submit a request
Swap Guides +
-
LS Swap Guide (Gen 3 and 4)
 +
-
LS Crank Pulley (Harmonic Balancer)
-
LS Water Pump
-
LS Power Steering Pump
-
LS Alternator
-
LS A/C Compressor
-
LS Gen III vs Gen IV
-
LS RPO Code Specs
-
LS Crankshaft
-
LS Intake Ports
-
LS Ignition Coils
-
LS Fuel Injectors
-
LS Throttle Body
-
LS Supercharger
-
LS Torque Specs
-
LS Oil Pan
-
LS Wire Connectors
-
LS Wiring Guide (Gen III DBC)
-
LS Fittings
-
LT Swap Guide for Gen V from ICT Billet
 +
-
LT Crank Pulley (Harmonic Balancer)
-
LT Water Pump
-
LT Alternator
-
LT Intake Ports
-
LT Throttle Body
-
LT Supercharger
-
LT Oil Pan
-
LT RPO Code Specs
-
ICT Billet LS Swap Guide for Bracket Locator
-
ICT Billet LT Swap Guide for Bracket Locator
LS Parts +
-
LS Accessory Brackets
 +
-
1 Chevy Corvette, Chevy SS, Cadillac CTS-V, & Pontiac G8 Accessory Brackets
 +
-
LS -1 A/C Brackets
-
LS -1 Alternator
-
LS -1 Alternator/Power Steering Brackets
-
LS -1 Power Steering Brackets
-
LS -1 Alternator Only Brackets
-
LS -1 Belt Tensioner Brackets
-
2 1998-2002 Chevy Camaro & Pontiac GTO LS1 Accessory Brackets
 +
-
LS -2 A/C Brackets
-
LS -2 Alternator Brackets
-
LS -2 Alternator/Power Steering Brackets
-
LS -2 Power Steering Brackets
-
LS -2 Alternator Only Brackets
-
LS -2 Belt Tensioner Brackets
-
3 Trucks & 2010-2015 Chevy Camaro Accessory Brackets
 +
-
LS -3 A/C Brackets
-
LS -3 Alternator
-
LS -3 Alternator/Power Steering Brackets
-
LS -3 Power Steering Brackets
-
Ls -3 Alternator Only Brackets
-
LS -3 Belt Tensioner Brackets
-
LS Coil Brackets
 +
-
Valve Cover Mounted
-
Remote Mount
-
Ignition Coils
-
LS Swap Adapters
 +
-
LS Fuel
-
Throttle Body
-
LS Oil
-
LS Transmission
-
LS Power Steering
-
LS Swap Engine Mounting Adapters
 +
-
LS Engine Mounts
-
LS Engine Mounting Motor Plates
-
LS Bolt Kits
 +
-
LS Internal Bolt Kits
-
LS External Bolt Kits
-
LS Supercharger Bolt Kits
-
LS OEM Bracket Bolt Kits
-
LS Other Bolt Kits
-
LS Electrical/Wiring
 +
-
LS Adapters
-
LS Extensions
-
LS Pigtails
-
LS Harness
-
LS Component Kits
-
LS Accessories
 +
-
Alternators
-
Power Steering Pumps
-
Water Pumps
-
A/C Compressors & Fittings
-
Pulleys
-
Belt Tensioners
-
LS Engine Components
 +
-
Cylinder Head
-
Exhaust
-
Valve Cover
-
Valley Covers
-
Flywheel & Flexplate
-
Harmonic Balancer
-
Intake Manifold
-
Tools
-
Timing
-
Lifters
-
Block Offs
-
Sensors
-
Other (misc)
-
LS Internal Engine Components
-
LS Turbo
-
LS Supercharger
-
LS Cooling System
 +
-
Steam Ports
-
Sensor Adapters
-
Water Pump Spacers & Adapters
-
Other
LT Parts +
-
LT Accessory Brackets
 +
-
1 Chevy Corvette
-
2 Chevy Camaro, Cadillac CTS-V
-
3 Truck and SUV
-
LT Coil Brackets
-
LT Swap Adapters
 +
-
LT Power Steering
-
LS Cooling System
-
LT Fuel
-
LT Oil
-
LT Throttle Body
-
Transmission
-
LT Engine Mounts
 +
-
LT Engine Plates
-
LT Swap Mounts
-
LT Engine Mounts
-
LT Bolt Kits
 +
-
LT External Bolt Kits
-
LT OEM Bracket Bolt Kits
-
LT Electrical/Wiring
 +
-
LT Adapters
-
LT Extensions
-
LT Pigtails
-
LT Component Kits
-
LT Accessories
-
LT Engine Components
 +
-
LT Engine Valley Cover
-
LT Engine Valve Cover
-
Exhaust
-
LT Engine Other
-
Sensors
-
LT Intake Adapters
-
LT4 Supercharger
Fittings +
-
AN
 +
-
4AN
-
6AN
-
8AN
-
10AN
-
12AN
-
16AN
-
20AN
-
AN Orb (O-Ring)
 +
-
6AN
-
8AN
-
10AN
-
12AN
-
-16AN ORB
-
NPT
 +
-
1/8"
-
1/4"
-
3/8"
-
1/2"
-
3/4"
-
Weld
 +
-
NPT
-
Barb
-
AN
-
Bung
-
Metric
-
HOSE BARB
 +
-
3/16" Barb (4.8mm)
-
1/4" Barb (6.4mm)
-
5/16" Barb (8mm)
-
3/8" Barb (9.5mm)
-
1/2" Barb (12.7mm)
-
5/8" Barb (16mm)
-
3/4" Barb (19mm)
-
1" Barb (25.4mm)
-
1-1/4" Barb (32mm)
-
1-1/2" Barb (38mm)
-
1.75" Barb (44.5mm)
-
2" Barb (50.8mm)
-
2-1/2" Barb (63.5mm)
-
3" Barb (76.2mm)
-
PEX Fittings
 +
-
PEX
-
Air Compressor Fittings
 +
-
Air Compressor
-
Fuel
 +
-
3/8"
-
5/16"
-
1/2"
-
Metric
Electrical Wiring +
-
LS Electrical/Wiring
 +
-
LS Adapters
-
LS Extensions
-
LS Pigtails
-
LS Harness
-
LS Component Kits
-
LT Electrical/Wiring
 +
-
LT Adapters
-
LT Extensions
-
LT Pigtails
-
LT Component Kits
Imports +
- 350Z
- 240SX
- FRS / BRZ
ICT Merchandise +
- ICT Billet Stickers
- ICT Billet Shirts
- ICT Billet Hoodies
- ICT Billet Other Merch
Small Block Chevy (SBC) +
-
SBC Brackets
 +
-
Alternator & Power Steering
-
A/C
-
SBC Alternator Brackets
-
SBC Power Steering Brackets
- Bolts
- Mounting
- Valve Cover Adapters
- Other
- Torque Plates
Big Block Chevy (BBC) +
-
BBC Brackets
 +
-
Alternator & Power Steering
-
Alternator
-
BBC Powersteering Brackets
- Torque Plates
- Mounting
- Bolts
- BBC Valve Cover Spacers
- Other
Transmission +
- Bolts
- Block Offs
- Fittings
- Mounting
- Wiring
- Other
Other +
-
Bolts and Spacers
 +
-
Bolts
-
Spacers
- Diesel
- Ford
- Mopar
- Torque Plates
- Tools
3/8" NPT Brake Booster Vacuum Port Fitting for LS Truck Intake Manifold
3/8" NPT Brake Booster Vacuum Port Fitting for LS Truck Intake Manifold
3/8" NPT Brake Booster Vacuum Port Fitting for LS Truck Intake Manifold
3/8" NPT Brake Booster Vacuum Port Fitting for LS Truck Intake Manifold
3/8" NPT Brake Booster Vacuum Port Fitting for LS Truck Intake Manifold
3/8" NPT Brake Booster Vacuum Port Fitting for LS Truck Intake Manifold

SKU : 551927-375NP

3/8" NPT Brake Booster Vacuum Port Fitting for LS Truck Intake Manifold

$18.99
3/8"npt Aluminum - Female Weld Bung / Nut
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SKU : 617-6703AL

3/8"npt Aluminum - Female Weld Bung / Nut

$8.99
5/16 Fuel Rail Male Quick Connect to 3/8" NPT Adapter Fitting
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SKU : AN817-01-06NP

5/16 Fuel Rail Male Quick Connect to 3/8" NPT Adapter Fitting

$15.99
5pc 3/8" Inch NPT Pipe 1/2" PEX Fitting (non potable water, air only) Aluminum
,

SKU : F375NP500PEX

5pc 3/8" Inch NPT Pipe 1/2" PEX Fitting (non potable water, air only) Aluminum

$24.99
LT LS M28 to 3/8" NPT Coolant Temperature Sensor Adapter Fitting LT1 LT4 L83 LS1
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SKU : 551782-375

LT LS M28 to 3/8" NPT Coolant Temperature Sensor Adapter Fitting LT1 LT4 L83 LS1

$36.99
Straight -10AN Flare Male to 3/8"NPT Pipe Adapter Fitting 10 AN Bare Aluminum
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SKU : AN816-10-06A

Straight -10AN Flare Male to 3/8"NPT Pipe Adapter Fitting 10 AN Bare Aluminum

$8.99
Straight 3/8" NPT Pipe to 1/2" .500" Hose Barb Fitting Bare Aluminum
Sold out
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SKU : AN840-08-06A

Straight 3/8" NPT Pipe to 1/2" .500" Hose Barb Fitting Bare Aluminum

$7.99
Quick shop
Straight 3/8" NPT Pipe to 3/8" .375" Hose Barb Fitting Bare Aluminum
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SKU : AN840-06-06A

Straight 3/8" NPT Pipe to 3/8" .375" Hose Barb Fitting Bare Aluminum

$8.99
Straight 3/8" NPT Pipe to 5/8" .625" Hose Barb Fitting Bare Aluminum
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SKU : AN840-10-06A

Straight 3/8" NPT Pipe to 5/8" .625" Hose Barb Fitting Bare Aluminum

$8.99