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Earl's Performance Pressure Gauge Adapters

4.75 out of 5 stars 68 Customer Reviews

The ideal way to install a gauge is with Earl's Performance pressure gauge adapters. Offering adapters/couplers in a wide range of sizes, angles, materials, and finishes, you are sure to find exactly what you need. Whether for a fuel or oil pressure gauge, a gauge head adapter to connect your gauges with Earl's lines and fittings, a specific gauge fitting for your LS swap, or any other plumbing situation or custom build, Earl's will get you connected with the precision and performance of their premium pressure gauge adapters. Order the perfect fit for your project from Earl's.

Results 1 - 15 of 15

Fitting, Pressure Gauge Adapter, Straight, Aluminum, Black, -6 AN Male, -6 AN Female, 1/8 in. NPT Female, Each

Part Number: EAR-AT100199ERL

4.78 out of 5 stars ( 37 )

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Fuel Pressure Gauge Adapter, Aluminum, Black, Straight, Male -8 AN, Female -8 AN, Female1/8 NPT, Each

Part Number: EAR-AT100200ERL

3.5 out of 5 stars ( 6 )

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Fitting, Adapter, Straight Gauge Head, Male -3 AN to Female 1/8 NPT, Steel, Each

Part Number: EAR-968703ERL

5.0 out of 5 stars ( 5 )

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-6 Fuel Pressure GA Adapter

Part Number: EAR-AT100192ERL

5.0 out of 5 stars ( 4 )

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Fitting, Adapter, Pressure Gauge, -6 AN Male to -6 AN Female, 1/8 in. NPT Gauge Port, Aluminum, Blue, Each

Part Number: EAR-100199ERL

5.0 out of 5 stars ( 7 )

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Fitting, Adapter, Straight Gauge Head, Male -4 AN to Female 1/8 NPT, Steel, Each

Part Number: EAR-968704ERL

5.0 out of 5 stars ( 2 )

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Gauge Adapter, Pressure, Straight, -4 AN Male Threads, 1/8 in. NPT Male Threads, 1.00 in. Extension Fitting

Part Number: EAR-968804ERL

5.0 out of 5 stars ( 1 )

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Fuel Pressure Gauge Adapter; Head Adapter; Fitting Size 4; Male To -4AN To Female 1/8 NPT; Straight Stewart Wa

Part Number: EAR-998704ERL

Not Yet Reviewed

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-4 Male to -4 Fem Gage Adapter

Part Number: EAR-AT100201ERL

5.0 out of 5 stars ( 1 )

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-6 Fuel Pressure GA Adapter

Part Number: EAR-AT100194ERL

Not Yet Reviewed

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Fitting, Adapter, Pressure Gauge, -8 AN Male to -8 AN Female, 1/8 in. NPT Gauge Port, Aluminum, Blue, Each

Part Number: EAR-100200ERL

Not Yet Reviewed

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Fitting, Adapter, Pressure Gauge, -6 AN Male to -6 AN Male, 1/8 in. NPT Gauge Port, Aluminum, Blue, Each

Part Number: EAR-100192ERL

5.0 out of 5 stars ( 3 )

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Gauge Adapter, Straight, -3 AN Male Threads, 1/8 in. NPT Male Threads, Steel, Zinc Finish, Each

Part Number: EAR-968803ERL

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Gauge Adapter, Pressure, Straight, 1/8 in. NPT Female Threads, M16 x 1.5 Male Threads, Aluminum, Blue Anodized, Each

Part Number: EAR-LS0021ERL

Not Yet Reviewed

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Fitting, Adapter, Pressure Gauge, -4 AN Male to -4 AN Female, 1/8 in. NPT Gauge Port, Aluminum, Blue, Each

Part Number: EAR-100201ERL

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

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