Podavelle AN6 to M16x1.5 Adapter Fitting 2PCS — Black Anodized Aluminium, O‑Ring Seal for Power Steering

Podavelle AN6 (9/16-18 UNF) male flare to M16x1.5 o-ring adapter — a pair of anodized 6061-T6 aluminum fittings built for high-pressure power steering connections.

If you need to connect AN6 lines to the newer GM-style steering box that accepts M16x1.5 o-ring fittings, these Podavelle adapters provide a compact, corrosion-resistant solution. Sold as two pieces, each connector converts a 6AN male flare thread to an o-ring sealed M16x1.5 female port. They’re machined from aviation-grade aluminum and finished with a black anodize to improve durability and resist fluid exposure. These adapters are intended for automotive power steering systems and compatible with gasoline and alcohol-containing fluids; professional installation is recommended.

How do these adapters fit into a power steering system?

These fittings act as the interface between AN6 braided or hard lines and M16x1.5 o-ring-style ports on compatible steering boxes. They use a male flare thread on the hose side and an o-ring seal on the steering box side to create a high-pressure, leak-resistant joint when installed correctly.

• Converts AN6 (9/16-18 UNF) male flare to M16x1.5 o-ring port.
• Designed specifically for GM steering boxes that accept o-ring fittings.
• O-ring sealing reduces the need for thread sealant when installed properly.
• Sold as a set of two for dual-line systems or spares.

What materials and finishes are used, and why do they matter?

Podavelle machines these adapters from 6061-T6 aluminum, a high-strength, lightweight alloy commonly used in automotive fittings. The black anodized coating enhances surface hardness, improves wear resistance, and provides an anti-corrosion barrier against hydraulic fluid and environmental exposure.

• 6061-T6 aluminum offers strength without adding significant weight.
• Black anodize increases longevity and resists chemical exposure.
• Suitable for use with gasoline and alcohol-blended fluids.
• Precision machining ensures thread compatibility and consistent sealing.

Is this adapter suitable for high-pressure power steering lines?

Yes — these connectors are intended for high-pressure power steering applications when properly installed and paired with compatible lines and o-rings. They are not a universal solution for every steering box, so verify thread types and o-ring presence before purchase.

• Rated for high-pressure hydraulic environments typical of power steering systems.
• Use with properly sized AN6 hoses or hard lines.
• Confirm your steering box uses an M16x1.5 o-ring fitting before ordering.
• Professional installation is recommended to ensure correct torque and sealing.

How should I prepare and install these adapters safely?

Preparation begins with verifying thread compatibility and inspecting the steering box port for a prepared o-ring groove. Use a new o-ring sized for M16x1.5 applications and tighten to the vehicle manufacturer or hose-end supplier torque specification. Avoid using thread sealants on the o-ring side; if the flare-thread side requires sealing, follow your hose-end manufacturer’s guidance.

• Inspect steering box port and fit an appropriate M16 o-ring before assembly.
• Tighten to recommended torque — follow professional or manufacturer specs.
• Do not overtighten; o-ring compression creates the seal, not excessive torque.
• Have a qualified mechanic perform the installation if unsure.

Who is this for? These Podavelle adapters are aimed at enthusiasts, mechanics, and professional shops converting AN6 hose assemblies to fit newer GM-style steering boxes that use M16x1.5 o-ring fittings. Choose this 2-piece set if you need durable, lightweight connectors compatible with high-pressure steering fluid systems and prefer an anodized finish for longer service life. If your steering box uses a different thread or sealing method, or if you’re not comfortable installing high-pressure hydraulic fittings, consult a professional before purchase.