Cohline Left Rear Brake Line for Porsche 911 Carrera (1984-1989)

This Cohline Left Rear Brake Line is a direct-fit replacement for Porsche 911 Carrera applications listed in the fitment table below. Cohline has been manufacturing automotive fluid system components since 1932, supplying hose and pipe assemblies for fuel, oil, cooling, and hydraulic applications to major vehicle manufacturers including Porsche. Known for German engineering, OEM-level fitment, and durable construction across metal, plastic, and elastomer components, Cohline parts are built for dependable sealing, proper routing, and long-term reliability. It is used to connect the rear brake hose to the left rear caliper.

Technical Details

• Manufacturer part number: 911-355-621-03
• Part type: Steel rear brake line
• Position: Left rear
• Use: Brake hose to caliper hard line
• Service note: Check flare nuts and caliper threads carefully before final tightening

Fitment & Compatibility

Use the fitment table below to confirm year and model coverage, and review any notes before ordering. On older Porsche applications, routing, fitting size, and side-specific details matter, so compare this part to the original before installation.

When fitment depends on measurements, routing, or model-specific notes, it helps to verify before ordering. PMB Performance has been working with Porsche brake and parts applications for over 20 years and can help check the details with you.