Earl's Performance Oil Pressure Adapter Fittings

Earl's Performance Oil Pressure Adapter Fittings deliver a professional-grade solution for connecting aftermarket oil pressure gauges and sending units to your engine's oil circuit. Built on over five decades of aviation-derived fluid transfer technology, Earl's has set the standard for performance plumbing in motorsports and high-performance street applications alike — and these adapter fittings carry that same legacy of precision engineering and dependable reliability.

Key Features:

• Precision-machined construction engineered for secure, leak-free performance under demanding high-pressure and high-temperature operating conditions
• Broad compatibility with both mechanical gauge lines and electronic oil pressure sending units
• Seamless integration with Earl's AN fittings, hose ends, and complete fluid line systems
• Multiple thread configurations available including NPT, AN, and metric options to accommodate a wide range of plumbing setups
• Premium materials including aluminum and stainless steel with protective anodized finishes for lasting corrosion resistance and durability
• Made in the USA to strict quality and performance standards
• Emissions compliant — legal for use on both emissions-controlled and non-emissions-controlled vehicles

Whether you're outfitting a dedicated race engine, a street performance build, or a complex engine swap, Earl's Oil Pressure Adapter Fittings provide the connection integrity that professional builders and serious enthusiasts trust. Multiple configurations are available across this product line — select the variant best suited to your specific plumbing application.