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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
The OE Match Brake Line Rubber Grommet is a replacement protective sleeve used where the vehicle’s rigid brake pipe passes through bodywork or bulkhead openings.
Sold Each.
x2 Required Per Car.
- Porsche 356 B/C 1.6-2.0 01/59-12/65
- Porsche 911 2.0-3.3 01/63-07/89
- Porsche 912 1.6 01/65-02/70
- Porsche 914 1.7-2.0 01/69-02/76
- Porsche 959 2.8 01/86-04/91
Its job is simple but important: the rubber grommet separates the metal brake line from the surrounding metal panel, helping prevent direct contact, vibration, abrasion and chafing.
Without an effective grommet, normal vehicle movement and vibration can allow the brake pipe to rub against the edge of the body opening. Over time, this can damage the protective coating on the pipe and potentially wear into the brake line itself.
Replacing hardened, cracked, missing or damaged grommets helps preserve the condition of the hydraulic brake pipe and supports long-term braking-system reliability.
What This Product Does:
The brake line grommet protects the rigid hydraulic brake pipe where it passes through the vehicle body.
It is designed to:
- Prevent direct metal-to-metal contact between the brake pipe and bodywork.
- Cushion the brake line inside the body opening.
- Reduce vibration transmitted into the pipe.
- Help prevent brake-line chafing.
- Protect the brake pipe coating from abrasion.
- Help maintain correct positioning of the brake line.
- Reduce movement where the pipe passes through bulkheads or panels.
- Replace a hardened, cracked or missing original grommet.
- Support long-term hydraulic brake-line integrity.
Although small, the grommet performs an important protective function in a safety-critical braking system.
Symptoms Of Wear Or Failure:
Possible signs of deterioration include:
- Rubber becoming hard or brittle.
- Visible cracking.
- Splitting around the centre opening.
- Grommet becoming loose in the body panel.
- Grommet partially pulling out of its mounting hole.
- Missing sections of rubber.
- Complete loss of the grommet.
- Brake line contacting the edge of the body opening.
- Visible rubbing marks on the brake pipe.
- Worn protective coating on the brake pipe.
- Rust developing where the pipe has been chafing.
- Brake line moving excessively in the opening.
- Squeaking or light rubbing noises where movement is present.
- Grommet deformation caused by age or incorrect installation.
Because the grommet is small and often located in less visible areas, deterioration may only be discovered during brake-line inspection or restoration work.
Why Replacement Matters:
The brake pipe is a safety-critical component.
A damaged or missing grommet may not immediately cause a braking fault, but continued metal-to-metal contact can gradually damage the pipe.
Replacing the grommet helps restore:
- Correct brake-line support.
- Isolation from the vehicle body.
- Protection against chafing.
- Reduced vibration.
- Protection of the pipe’s outer coating.
- Reduced risk of localised corrosion.
- Factory-style brake-line routing.
- Long-term hydraulic system reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91435565100
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
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- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
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- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
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- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Rear brake line by OE Match for Porsche Boxster and Cayman models listed below. OE Match parts are intended to follow original specification; use the vehicle coverage to confirm suitability.
What This Product Does This rear brake line forms part of the hydraulic circuit to the rear calipers, carrying brake fluid under pressure so braking input is transmitted through the rear circuit.
Functions
- Transfers pressurised brake fluid to the rear calipers
- Helps maintain a sealed hydraulic connection under braking load
- Interfaces with existing rigid and flexible brake pipework
- Supports correct hydraulic distribution across the braking system
Symptoms of Fault
- Corrosion, dents, or visible damage to the line
- Brake fluid seepage at unions or along the pipe
- Spongy pedal feel linked to loss of hydraulic integrity
- Inspection advisories or failures relating to brake pipe condition
Why Replacement Matters
- Brake pipework is exposed to moisture and road debris, which can lead to corrosion over time
- Replacing damaged or corroded lines helps reduce the likelihood of leaks when installed with sound fittings and seals
- Renewing rear pipework supports a consistent hydraulic connection to the rear calipers
Fits
- Boxster 986/987/981 (1997–2016)
- Boxster 981 2.7L (2012–2016)
- Boxster 981 S/GTS 3.4L (2012–2016)
- Boxster 718 (982) (2017>>)
- Boxster 718 2.0L Manual (300 Bhp) (2017>>)
- Boxster 718 2.0L PDK (300 Bhp) (2017>>)
- Boxster S 718 2.5L Manual (350 Bhp) (05/2017>>)
- Boxster S 718 2.5L PDK (350 Bhp) (05/2017>>)
- Boxster T 718 2.0L Manual (300 Bhp) (01/2019>>)
- Boxster T 718 2.0L PDK (300 Bhp) (01/2019>>)
- Boxster GTS 718 2.5L Manual (365 Bhp) (05/2017>>)
- Boxster GTS 718 2.5L PDK (365 Bhp) (05/2017>>)
- Boxster GTS 718 4.0L Manual (400 Bhp) (01/2019>>)
- Boxster GTS 718 4.0L PDK (400 Bhp) (01/2019>>)
- Boxster Spyder/Spyder RS 718 4.0L (01/2019>>)
- Boxster 25 Years 718 4.0L Manual (400 Bhp) (01/2020>>)
- Boxster 25 Years 718 4.0L PDK (400 Bhp) (01/2020>>)
- Cayman 987C/981C (2005–2016)
- Cayman 2.7L 981 (2013–2016)
- Cayman S/GTS 3.4L 981 (2013–2016)
- Cayman GT4 3.8L (2015–2016)
- Cayman 718C (982C) (2017>>)
- Cayman 718 2.0L Manual (300 Bhp)
- Cayman 718 2.0L PDK (300 Bhp)
- Cayman S 718 2.5L Manual (350 Bhp)
- Cayman S 718 2.5L PDK (350 Bhp)
- Cayman T 718 2.0L Manual (300 Bhp)
- Cayman T 718 2.0L PDK (300 Bhp)
- Cayman GTS 718 2.5L Manual (365 Bhp)
- Cayman GTS 718 2.5L PDK (365 Bhp)
- Cayman GTS 718 4.0L Manual (400 Bhp)
- Cayman GTS 718 4.0L PDK (400 Bhp)
- Cayman GT4 718 4.0L/GT4 RS 718 4.0L
Check fitment for your specific vehicle (model, year, engine) before ordering. Not suitable for vehicles equipped with Porsche Ceramic Composite Brakes (PCCB).
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98135558
The product you are viewing cross references to these numbers