This Cohline Rear Brake Line Tee is a direct-fit replacement for Porsche 911, 912, and 930 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 distribute brake fluid at the rear axle junction block where the single feed splits to both rear caliper circuits.

Technical Details

Manufacturer part number: 9306030303
SKU: DFBH_9306030303
Part type: Brake line tee fitting
Position: Rear
Use: Rear brake circuit distribution junction
Service note: Confirm thread condition and seat cleanliness on every attached hard line during installation

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.

Questions about exact fitment are worth sorting out before the order goes in. Contact PMB Performance with your VIN or application details. We have more than 20 years of Porsche brake and parts experience and can help confirm the match.

Year	Make	Model
1965	Porsche	911
1966	Porsche	911
1967	Porsche	911
1968	Porsche	911
1969	Porsche	911
1970	Porsche	911
1971	Porsche	911
1972	Porsche	911
1973	Porsche	911
1974	Porsche	911
1975	Porsche	911
1976	Porsche	911
1977	Porsche	911
1978	Porsche	911
1979	Porsche	911
1980	Porsche	911
1981	Porsche	911
1982	Porsche	911
1983	Porsche	911
1984	Porsche	911
1985	Porsche	911
1986	Porsche	911
1987	Porsche	911
1988	Porsche	911
1989	Porsche	911
1990	Porsche	911
1991	Porsche	911
1992	Porsche	911
1993	Porsche	911
1994	Porsche	911
1965	Porsche	912
1966	Porsche	912
1967	Porsche	912
1968	Porsche	912
1969	Porsche	912
1976	Porsche	912
1978	Porsche	930
1979	Porsche	930

Brake Lines

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

Cohline Front Brake Line, Left or Right, for Porsche 911 (1975-1989)

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

Cohline Rear Brake Line for Porsche 911 S (1974-1977)

Cohline Rear Brake Line Tee for Porsche 911/912/930 (1965-1994)