Earl's Performance AT9919BFJERL GM LS Oil Pressure Gauge Adapter Fitting Black Anodized

The Earl's Performance AT9919BFJERL adapter fitting provides a clean, professional solution for installing aftermarket oil pressure gauges on GM LS engine swaps. This precision-engineered fitting threads directly into the M16 x 1.5mm oil passage located on the rear china wall of GM LS engine blocks, eliminating the need for custom adapters or modifications.

Key Features:

• Direct bolt-in installation into M16 x 1.5mm oil passage on LS engine blocks
• Black anodized 2024-T8 aluminum construction for corrosion resistance and durability
• Compatible with most aftermarket oil pressure sending units and mechanical gauge hoses
• Available port configurations: 1/8" NPT female, -3 AN male, or -4 AN male
• Manufactured in the USA to Earl's exacting quality standards

This adapter fitting is essential for LS swap projects where engine monitoring is critical. The high-strength aluminum construction withstands the heat and pressure of performance applications, while the black anodized finish provides a clean, professional appearance that complements any engine bay. Whether you're running an electronic sending unit or a mechanical gauge line, Earl's offers the correct fitting configuration for your specific setup.