do not press the back button…
Your Vehicle
Porsche // Panamera 971 MK2 (2021-2023) // 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
-
Engine Parts
-
- Engine Rebuild Parts Oil System Parts Fuel System Parts Gaskets & Sets Belts / Tensioners / Rollers Chains & Tensioners Engine Bearings / Shells Engine Valves / Guides / Springs Rocker Arms & Tappets Engine Bolts / Studs Engine Mounts Piston Rings Engine Cylinders / Liners / Pistons Connecting Rod Cylinder Head / Camshaft Carrier Camshafts Camshaft gears / sprockets and fixings Crankcase Parts Crankshaft & Parts Turbo Chargers / Intercoolers & Parts Air Intake & Injection 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 Zimmermann Brakes Giro Slotted Brake Disc SHW Performance Brakes EBC 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 All Categories
-
-
Suspension & Steering
-
Transmission
-
- Gearbox / Transmission Gearbox Parts Driveshafts & Parts Gasket Sets / Gaskets / Seals / Lock Nuts Gearbox Mounts Gearshift Control Parts Flywheel / Torque CV Joints Kits CV Boots and Kits Transmission Parts Gearbox / Differential Oil Gearbox Sump / Oil Pan Front Differential Rear Differential Transmission Cooling Transfer Box & parts
-
- Cooling & Heating
-
Electrical & Lighting
-
- Electrical & Relays Brake Light Switch Handbrake Switch Window Switch Wiper Motor Electric Horn Washer pumps / bottles / jets Alarms / Security / Central Locking Electronic Control Units Dashboard / Console Parts & Switches Door Mirror Switch Air Bags & Parts Tracker Connector housing Wiring harness
-
-
Body & Exhaust
-
- Chassis / Bodywork Front Lid Damper Rear Lid Damper Bonnets / Locks & Latches Rear lid / Tailgate Bumpers Front Bumpers Rear Door Handles | Locks | Keys Door Panels | Hinges | Striker Plates Window Lifters | Motors Wings Front & Parts Wings Rear & Parts Mirrors & Parts Stone Chip Foils / Stickers Undertrays Chassis & Engine Rear Wiper Arms & Blades Wheel Arch Liners & Covers Roof - Cabrio / Targa / Coupe / Speedster Plastic Covers Sound Proofing Front screen Rear screen Rear side glass All Categories
-
-
Lubricants & Fluids
-
- Service Parts Oil Filters Air Filters Pollen/Particle Filters Belts All Types Spark Plugs Ignition Coils 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 Engine Oil & Lubricants - LIQUI MOLY 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 Hydraulics Interior & Accessories Incar / Multimedia Lighting Mats & Carpets Motorsport and Off-Road Parts for Other Cars Pedal Cluster Rubber Seals 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 return water hose. Porsche 996 C4 3.6L MANUAL › 99610688808
- Porsche 996 C4 3.6L 09/01-2005
OE Match coolant return hose for the Porsche 996 C4 3.6L with MANUAL transmission. Reference 99610688808 replaces the earlier references 99610688802 and 99610688806.
Fits
- Porsche 996 C4 3.6L 2002>> MANUAL
Check fitment for your specific vehicle (model, year, engine) before ordering.
Diagram ref no 3
What This Product Does
This hose forms part of the coolant return circuit. It carries returning coolant through the cooling system, contributing to the circulation needed to manage engine temperature.
Functions
- Provides a passage for returning coolant.
- Connects the relevant sections of cooling-system pipework.
- Accommodates movement between connected components.
Technical Details
- Brand: OE Match.
- Current reference: 99610688808.
- Application specified for the 3.6L C4 with MANUAL transmission.
Symptoms of Fault
- Coolant odour near the engine.
- Repeated reduction in coolant level.
- Moisture or dried deposits at hose connections.
- Cracks, bulges or unusually soft hose sections.
- Seepage following engine shutdown.
- Gurgling or an increase in engine temperature.
These signs can also originate elsewhere in the cooling system. Establish the leak source before replacing the hose.
Why Replacement Matters
Repeated heating and cooling, vibration and fluid exposure can deteriorate a hose over time. Renewing a leaking or damaged return hose addresses coolant loss before it develops into a larger cooling problem. Inspect adjacent connectors, retaining clips and sealing surfaces during the repair, rather than assuming the hose is the only worn component.
OE Reference
- 99610688808: current reference.
- 99610688802 and 99610688806: superseded Porsche references.
FAQs
- How should a suspected leak be checked?
A cooling-system pressure test can help locate leakage around the hose and its connections. - Why might leakage appear only when hot?
Operating temperature and pressure can reveal deterioration that is not apparent when the system is cold. - Should the clamps and fittings be inspected too?
Yes. Worn connections or damaged fittings can cause continued leakage after hose replacement.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610688808
The product you are viewing cross references to these numbers
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed