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Coolant Hoses and Pipes (Front engine cars)
Fits:
Porsche 924 - 1976 to 1985
Porsche 944 - 1982 to 1985
Click 'Zoom in' for large parts diagram.
Diagram ref no 14
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
046121099
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 944 2.5L 8V 1982-87
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12 Month Warranty
Worldwide Delivery
Fit:
Porsche 924 1976-85
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
046121051
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
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12 Month Warranty
Worldwide Delivery
Fit:
Porsche 924 1976-85
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
046121051
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 928 - 1978 to 1986
Porsche 924 - 1976 to 1986
Porsche 924S - 1986 to 1988
Porsche 944 - 1982 to 1991
Porsche 968 - 1992 to 1995
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951255400
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
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12 Month Warranty
Worldwide Delivery
Please note: This hose is no longer available from Porsche.
Fits:
Porsche 924 1976-85
Porsche 924 Turbo / 924 GT 1976-85
Diagram ref no 31
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93110615700
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 924 2.0L 1976-85
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
047121175
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 924 2.0L 1976-85
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
047121175
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 924 1976-85
Click 'Zoom in' to see the diagram.
Diagram ref no 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
047121060
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
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12 Month Warranty
Worldwide Delivery
Water Coolant Pipe to Expansion Tank
Maintain the reliability and efficiency of your Porsche 924
cooling system with this OE Match Water Coolant Pipe to the Expansion Tank. This coolant hose connects the engine cooling system to the
expansion tank, allowing coolant to circulate correctly while accommodating
thermal expansion and contraction during engine operation.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
Diagram ref no 5
The expansion tank plays a vital role in maintaining correct coolant levels and system pressure. The connecting coolant pipe ensures that excess coolant can flow into the expansion tank as temperatures rise and return to the cooling system as the engine cools. Without a properly functioning hose, coolant circulation and pressure management can be compromised, potentially leading to overheating and coolant loss.
Manufactured to OE Match specifications, this replacement hose provides the correct fit, flexibility and durability required for reliable long-term operation.
What Does the Coolant Pipe to Expansion Tank Do?
The coolant pipe forms part of the engine's closed cooling system.
Its primary functions include:
- Connecting the cooling system to the expansion tank
- Allowing coolant expansion and return flow
- Maintaining correct coolant levels
- Supporting cooling system pressure regulation
- Preventing coolant loss
- Assisting engine temperature control
- Helping maintain overall cooling system efficiency
A properly functioning hose is essential for reliable engine cooling and long-term engine protection.
Why Do Coolant Pipes Fail?
Cooling system hoses are constantly exposed to heat cycles, pressure fluctuations and coolant chemicals.
Common causes of failure include:
- Rubber deterioration due to age
- Heat-related hardening and cracking
- Internal hose degradation
- Coolant contamination
- Pressure fatigue
- Engine bay heat exposure
- Perished rubber connections
- General wear and ageing
As the hose ages, it may become brittle, swollen, cracked or develop leaks.
When Should the Coolant Pipe Be Replaced?
Cooling system hoses should be inspected regularly during routine servicing.
Common signs replacement is required include:
- Coolant leaks
- Cracked or split hose surfaces
- Soft or swollen hose sections
- Coolant smell within the engine bay
- Visible hose deterioration
- Cooling system pressure loss
- Unexplained coolant level drops
- Preventative maintenance during cooling system refurbishment
Replacing ageing hoses before failure helps avoid costly overheating damage.
Why Replacement Matters
A failed coolant hose can quickly lead to coolant loss and engine overheating.
Benefits of replacement include:
- Improved cooling system reliability
- Reduced risk of coolant leaks
- Better engine temperature control
- Protection against overheating
- Improved cooling system pressure retention
- Increased long-term reliability
- Reduced risk of roadside breakdowns
- Restoration of factory cooling performance
For classic Porsche models, preventative cooling system maintenance is one of the best investments in long-term engine health.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
047121060
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 924 1976-85
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
046121053
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
Shop Securely
12 Month Warranty
Worldwide Delivery
Coolant Hoses and Pipes
Keeping your Porsche engine cool and at the right temperature is important that’s why at Design911 we offer a comprehensive range of products for your Porsche engine every thing from water hoses, oil hoses, radiators, water pumps, oil pumps, oil coolers, thermostats, coolant and oil tanks all at our very best low prices
Our product range includesRadiator Top / Bottom Hoses, Water Pump and Ancillary Hoses, Expansion Tank Hoses, Engine Block Hoses, Hose Clips / Screws / Brackets and Fixings
Why do Coolant Hoses And Pipes matter?Coolant hoses and pipes route coolant between your Porsche engine, radiator, heater and expansion tank, helping the system maintain a stable operating temperature. Over time rubber hardens, plastic fittings fatigue and joints can start to seep, especially on older Porsche models that see regular use or lots of heat cycling. Replacing ageing or suspect hoses, pipes and clamps helps prevent small leaks turning into breakdowns or overheating damage.
- Keep your Porsche looking smart rather than tired or neglected
- Help protect nearby components from dirt, moisture and corrosion where relevant
- Reduce minor niggles such as mismatched, scuffed or visibly corroded hardware
- Support long-term enjoyment, pride of ownership and potential resale value
Individual replacement parts Specific items to address a particular area or issue without changing everything at once.
- Ideal for targeted repairs
- Lets you replace only what is needed
- Helps keep initial costs under control
Matched sets or pairs Components supplied together so both sides or related items are renewed at the same time.
- Consistent feel and performance
- Helps avoid uneven wear or behaviour
- A sensible choice for routine maintenance
Complete kits Grouped parts designed to refresh a whole system or area in one go, useful for upgrades and restorations.
- Everything specified in a single package
- Saves time compared with sourcing parts individually
- Ideal when upgrading or restoring your Porsche
For this category we stock a wide choice of trusted brands for Porsche models. You can also browse and filter by brand on this page to focus on your preferred manufacturers.
When should you review or replace your coolant hoses and pipes?Checking coolant hoses and pipes regularly helps you spot wear, damage or age-related deterioration before it affects comfort, refinement or leads to more expensive repairs later on.
- Damp joints; crusty dried residue; sweet smell; dropping coolant level; overheating; hose swelling/soft spots; leaks after a hot run; gurgling; staining near quick-connects; split hose near clamp.
- You notice looseness, vibration or an untidy appearance around the area they sit in
- You have had related work carried out and want everything to look and feel consistent
- You want the car to feel smarter and better cared for in daily use or before resale
If any of these apply, it is a good time to review your coolant hoses and pipes and replace anything that is past its best so your Porsche stays dependable and enjoyable to drive.
Explore coolant hoses and pipes with Design911Browse coolant hoses and pipes for Porsche at Design911 — from individual parts to complete kits — and find options to suit everyday maintenance, upgrades and full projects.
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