Description

Overview

The 8mm air brake connector joins 8mm nylon tube directly to an M12 x 1.5 female port in a trailer or heavy-vehicle pneumatic circuit. Its straight metric configuration suits installations where the air line must enter a valve, manifold or control component without an elbow or separate adaptor.

Features

• Push-to-connect port suits 8mm outside-diameter nylon tube.
• M12 x 1.5 straight male thread suits a matching metric female port.
• Integral O-ring seals against the mating port face.
• Reusable release collet allows the tube to be removed during servicing.

Specifications and Materials

The connector uses a brass hex body with an integrated push-in tube grip, release collet and port-sealing O-ring. The straight internal passage carries air between the 8mm tube and M12 connection without a separate tube nut, olive or compression sleeve.

Part number: 88-M003-08M12.

Review the manufacturer metric connector guide

Compatibility and Fitment

Confirm an 8mm metric tube OD, M12 x 1.5 female thread and a flat mating face for the O-ring. The main ordering risks are confusing 8mm tube with 5/16in imperial tube, selecting an M10 or M14 port fitting, or replacing a tapered pipe-thread connector with this straight metric version. Inspect the O-ring and port face before assembly because the thread alone does not provide the working seal. These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. MDQ68DOT8M12, 35-MM680812, 35MM680812, MAQ68-DOT-8XM12, MAQ68DOT8XM12, M1868X8XM12

Related Parts

Check the related service parts below against the trailer setup before ordering.

Compliance and Safety

Depressurise the pneumatic circuit before removing or installing the connector. Cut the tube square, remove scoring and burrs, then push it fully through the release collet. Tighten the connector without crushing the O-ring or damaging the female port, restore pressure gradually and leak-test both connections.

Trailer Applications

Workshops fit this connector where an 8mm air line terminates at an M12 x 1.5 port on a brake valve, air suspension control, pneumatic manifold or auxiliary trailer component. The straight body suits compact layouts where the tube approaches the port in line with the thread.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Why Choose ICS Trailers

ICS Trailers supplies metric and imperial air fittings for trailer brake, suspension and auxiliary pneumatic repairs. If the existing connection is difficult to identify, send a clear photo and confirm the tube OD, thread diameter, thread pitch and sealing-face arrangement.

Browse more Air Fittings