do not press the back button…
-
Engine Parts
-
- Engine Electrical Batteries & Chargers Ignition Coil Speed / Reference / Knock Sensors
-
- Engine Rebuild Parts Oil System Parts Fuel System Parts Gaskets & Sets Radial Seal / RMS / Camshaft / Balance shaft Chains & Tensioners Engine Bearings / Shells Engine Bolts / Studs Engine Cylinders / Liners / Pistons Connecting Rod Cylinder Head / Camshaft Carrier Crankcase Parts Crankshaft & Parts Specialist Tools
-
Brakes
-
- Brakes Brake Pads & Disc Package Brake Disc Standard Brake Pads Standard SPORTS Brake Disc Brembo Standard brakes Brembo Racing brakes TEXTAR Brakes PAGID Racing Brakes Replacement for Ceramic Disc Brake Pad Wear Sensors Brake Pad Anti-vibration shims Caliper Bolts / Disc Screws Pin Kit and Guide Plates Performance Brake Hoses Standard Brake Hoses Caliper and Brake Lines Brake Calipers Brake Caliper Upgrades Handbrake Shoes HandBrake Cables Electric parking brake Caliper Seals |Pistons All Categories
-
- Suspension & Steering
- Transmission
-
Cooling & Heating
-
- Heating / Air Conditioning Blower Motors & Fans
-
- Electrical & Lighting
-
Body & Exhaust
-
- Chassis / Bodywork Restoration Chassis / Repair Panels Bonnets / Locks & Latches Boots / Rear Lid / Locks and Latches Bumpers Front Bumpers Rear Door Handles | Locks | Keys Door Panels | Hinges | Striker Plates Mirrors & Parts Stone Chip Foils / Stickers Front Wiper Arms & Blades Roof - Cabrio / Targa / Coupe / Speedster Plastic Covers Engine Covers Front screen Rear screen Front side glass Fastenings & Fixings
-
-
Lubricants & Fluids
-
- Service Parts Oil Filters Air Filters Spark Plugs Front Wiper Arms & Blades Rear Wiper Arms & Blades Gearbox Service Parts Engine Oil & Lubricants - Mobil Engine Oil & Lubricants - Total Engine Oil & Lubricants - Castrol Engine Oil & Lubricants - Motul Engine Oil & Lubricants - Millers Oils NanoDrive Engine Oil & Lubricants - Millers Oils Fuel Additives Garage PPE
-
-
All Parts
-
- Parts Accessories Chassis / Bodywork Brakes Clothing & Gifts Electrical & Relays Engine Cooling Engine Electrical Engine Rebuild Parts Engine Tuning Exhausts Exterior Styling / Spoilers Gearbox / Transmission Heating / Air Conditioning Interior & Accessories Incar / Multimedia Lighting Mats & Carpets Motorsport and Off-Road Pedal Cluster Rubber Seals Seats & Seat Belts Service Parts All Categories
-
- Back to main website
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Coolant radiator bottom hose, short. Porsche 991 / 981 Boxster / 981C Cayman ❭ 99110662
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16

Fits:
Porsche 991.1 Carrera 2012-16
Porsche 981 Boxster 2012-16
Porsche 981SP Boxster Spyder 2016
Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99110662
The product you are viewing cross references to these numbers
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.1 GT3 RS 4.0L 2022-24
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Targa 4 GTS 3.6L 2024>>
Fits:
Porsche 992.1 Carrera MKI 2019>>2024
Porsche 992.2 Carrera MKII 2024>>
Porsche 992.1 Turbo / Turbo S MKI 2020>>
Porsche 992.1 GT3 / RS / ST MKI 2021>>
Diagram Ref No 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99212161
The product you are viewing cross references to these numbers
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Targa 4 GTS 3.6L 2024>>
Maintain proper cooling system ventilation and performance with the Breather Line for Radiator, RIGHT. This OEM-quality breather line is designed to vent trapped air and vapor from the right-side radiator circuit, helping ensure efficient coolant circulation and stable engine temperatures.
Fits:
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Targa 4 GTS 3.6L 2024>>
Diagram Ref No 15
What This Product Does:
- Releases trapped air from the right-side radiator system
- Helps prevent air pockets that can restrict coolant flow
- Supports stable cooling system pressure
- Maintains consistent engine temperature control
- Reduces the risk of overheating
Symptoms Of Wear Or Failure:
- Coolant leaks near the radiator or along the breather line
- Low coolant warning light
- Frequent coolant top-offs
- Sweet coolant smell from the front of the vehicle
- Coolant residue or staining around fittings or connections
- Cracked, brittle, or weakened line material
- Air trapped in the cooling system, causing gurgling sounds
- Fluctuating engine temperature or inconsistent gauge readings
- Overheating, especially after coolant service or refilling
- Steam from under the hood in severe cases
- Replacing a worn radiator breather line is important because it helps the cooling system vent trapped air and maintain proper pressure. Over time, heat and coolant exposure can cause the line to become brittle, cracked, or leak.
- If the breather line fails, air pockets may form in the radiator circuit, reducing coolant circulation and cooling efficiency. This can lead to coolant loss, unstable engine temperatures, and an increased risk of overheating.
- Installing a new breather line helps prevent leaks, supports proper system bleeding, and ensures reliable engine cooling performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
992121466
The product you are viewing cross references to these numbers
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Targa 4 GTS 3.6L 2024>>
Maintain proper cooling system ventilation and performance with the Breather Line for Radiator, RIGHT. This OE MATCH breather line is designed to vent trapped air and vapor from the right-side radiator circuit, helping ensure efficient coolant circulation and stable engine temperatures.
Fits:
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Targa 4 GTS 3.6L 2024>>
Diagram Ref No 15
What This Product Does:
- Releases trapped air from the right-side radiator system
- Helps prevent air pockets that can restrict coolant flow
- Supports stable cooling system pressure
- Maintains consistent engine temperature control
- Reduces the risk of overheating
Symptoms Of Wear Or Failure:
- Coolant leaks near the radiator or along the breather line
- Low coolant warning light
- Frequent coolant top-offs
- Sweet coolant smell from the front of the vehicle
- Coolant residue or staining around fittings or connections
- Cracked, brittle, or weakened line material
- Air trapped in the cooling system, causing gurgling sounds
- Fluctuating engine temperature or inconsistent gauge readings
- Overheating, especially after coolant service or refilling
- Steam from under the hood in severe cases
- Replacing a worn radiator breather line is important because it helps the cooling system vent trapped air and maintain proper pressure. Over time, heat and coolant exposure can cause the line to become brittle, cracked, or leak.
- If the breather line fails, air pockets may form in the radiator circuit, reducing coolant circulation and cooling efficiency. This can lead to coolant loss, unstable engine temperatures, and an increased risk of overheating.
- Installing a new breather line helps prevent leaks, supports proper system bleeding, and ensures reliable engine cooling performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
992121466
The product you are viewing cross references to these numbers
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed