Turbo Chargers / Intercoolers & Parts
 Turbo Charger Stage I for Porsche 993 GT2
                        
                    
            
            
                    Turbo Charger Stage I for Porsche 993 GT2
                    - Porsche 993 (911) GT2 1994-97
All units listed directly replace the standard KKK K24 Turbochargers,
Part No. 5324-970-7003 - Porsche Part No. 99312301482. R/H
Part No. 5324-970-7004 - Porsche Part No. 99312301382. L/H
STAGE 1 UPGRADE
These turbos are a direct installation in replacement of your factory turbos. K24 turbos are much larger then the factory K16 turbos found on the standard 993 GT2. The K24 Turbos can handle over 550 crank horsepower. Unlike most turbos on other vehicles, you will not sacrifice low end horsepower or torque, however gain a larger amount in the mid range and top end.
High flow Spec 5 blade compressor wheel - CNC re-profiled compressor housing - 360 degree thrust bearing - left & right hand thread shaft & wheel with cut back blades- twin high temperature exhaust piston ring seals fitted.
The prices listed are for turbo chargers supplied on an exchange basis. Your Turbo charger must be a serviceable unit. If required on an out right purchase (if you have no old unit available), please ask for quotation.
Output achieved 630 BHP & 890Nm Torque @ 4,500 Rpm & 1.1Bar Boost with the correct ECU re-map These set should only be fitted by engine builders or tuners as other performance parts may be required
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                     Exhaust sealing ring turbo to catalytic converter. Porsche 993 turbo
                        
                    
            
            
                    Exhaust sealing ring turbo to catalytic converter. Porsche 993 turbo
                     
            
            
                    - Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Price is for each

Fits:
Porsche 993 turbo - 1994 to 1997
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
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96511120500
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                     Heat shield for turbocharger. Porsche 993 Turbo 94-98
                        
                    
            
            
                    Heat shield for turbocharger. Porsche 993 Turbo 94-98
                     
            
            
                    - Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 993 Turbo 1994-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
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99312311
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                     Oil return line set turbocharger. Porsche 993 turbo
                        
                    
            
            
                    Oil return line set turbocharger. Porsche 993 turbo
                     
            
            
                    - Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Sold as a pair
Fits:
Porsche 993 turbo - 1994 to 1997
Porsche 993 Turbo - oil pump to tank
Optimised shape to prevent backflow to the turbocharger oil tank. Manufactured in high quality stainless steel pipe, these oil lines prevent oil from flowing back to the turbocharger, which leads to excessive oil burning and smoking after long idle time
Diagram ref no 20 and 21
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                    ![Porsche 911 (993) GT2 Twin Turbos - Stage 1 - MD435 & MD436 [600-650 bhp] - 99312301382, 5316-970-6736, 5316-970-6735 - MD435, MD436 Porsche 911 (993) GT2 Twin Turbos - Stage 1 - MD435 & MD436 [600-650 bhp] - 99312301382, 5316-970-6736, 5316-970-6735 - MD435, MD436](/uploads/products/a93db3f3-39d6-4aab-a18e-766a9cbb4633/Hybrid_Turbo_SM.jpg?width=197) Porsche 911 (993) GT2 Twin Turbos - Stage 1 - MD435 & MD436 [600-650 bhp]
                        
                    
            
            
                    Porsche 911 (993) GT2 Twin Turbos - Stage 1 - MD435 & MD436 [600-650 bhp]
                    - Porsche 993 (911) GT2 1994-97
MD435 & MD436 Stage 1 Hybrid Turbos feature:
• Specially modified high flow compressor wheels fitted
• Compressor cover re-profiled to suit replacement compressor wheels
• Exhaust wheels lightened and modified to help reduce backpressure
• Turbochargers fully blueprinted to motorsport standards
• Twin piston ring seals fitted
• Estimated Power Output: 600-650bhp*
MD435 & MD436 Twin Hybrid Turbochargers fit:
Porsche 911 (993) GT2, engine code 993USTGTR2, year 1995-1999, OEM number 99312301382
MD435 & MD436 turbos are a direct replacement for 5316-970-6736 & 5316-970-6735
These Hybrid Turbos must be fitted as a pair.
*Please Note: Our hybrid turbochargers require exact engine management settings and/or supporting modifications to achieve these horsepower figures.
All Turbochargers are built to order and are usually despatched in 7 working days.
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MD435MD436
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                    ![Porsche 911 (993) GT2 Twin Turbos - Stage 2 - MD547 & MD548 [650-700 bhp] - 99312301385, 5316-988-6736, 5324-970-7003, 5324-988-7003 - MD547, MD548 Porsche 911 (993) GT2 Twin Turbos - Stage 2 - MD547 & MD548 [650-700 bhp] - 99312301385, 5316-988-6736, 5324-970-7003, 5324-988-7003 - MD547, MD548](/uploads/products/e7242f50-6384-422e-9110-677836303c25/Hybrid_Turbo_SM.jpg?width=197) Porsche 911 (993) GT2 Twin Turbos - Stage 2 - MD547 & MD548 [650-700 bhp]
                        
                    
            
            
                    Porsche 911 (993) GT2 Twin Turbos - Stage 2 - MD547 & MD548 [650-700 bhp]
                    - Porsche 993 (911) GT2 1994-97
MD547 & MD548 Stage 2 Twin Hybrid Turbos feature:
• Specially modified Garrett 56 trim compressor wheels fitted
• Compressor cover re-profiled to suit replacement compressor wheels
• Exhaust wheels lightened and modified to help reduce backpressure
• Turbochargers fully blueprinted including twin piston ring seals fitted
• Estimated Power Output: 650-700bhp*
MD547 & MD548 Twin Hybrid Turbochargers fit:
Porsche 911 GT2, engine code M64/60 S, year 1995 & 1999, OEM number 99312301385
MD547 & MD548 turbos are a direct replacement for Porsche 911 Turbo, engine code M64/60, year 1995 & 1998, part number 5316-988-6736, OEM number 99312301352 as a performace upgrade.
MD547 & MD548 Hybrid turbos are a direct replacement for 5324-970-7003 & 5324-988-7003 turbo.
These Hybrid Turbos must be fitted as a pair.
*Please Note: Our hybrid turbochargers require exact engine management settings and/or supporting modifications to achieve these horsepower figures.
All Turbochargers are built to order and are usually despatched in 7 working days.
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MD547MD548
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                     Turbo Charger Actuator (set of 2) for Porsche 993 Turbo
                        
                    
            
            
                    Turbo Charger Actuator (set of 2) for Porsche 993 Turbo
                     
            
            
                    - Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

This item comes with stock springs 5 psi (spool up) - 10 psi (running pressure) Green Springs product code FMAS049G. Additional springs are required for tuning to custom boost levels.
Fits:
Porsche 993 Turbo
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FMAC993
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                     Turbocharger KKK K24. Porsche 993 GT2
                        
                    
            
            
                    Turbocharger KKK K24. Porsche 993 GT2
                     
            
            
                    - Porsche 993 (911) GT2 1994-97
BorgWarner ref no 53249887003 / 53249887004.
Fits:
Porsche 993 GT2
REPLACEMENT
These turbos are a direct installation in replacement of your factory turbos.
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99312301
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                    Turbochargers, Intercoolers & Parts – Precision-Engineered Performance for Porsche Engines
A turbocharger increases your Porsche’s power and efficiency by forcing more air into the engine’s combustion chamber, while the intercooler cools that compressed air to improve performance and reliability. Together, these components deliver the exhilarating acceleration and responsiveness that define Porsche engineering.
At Design911, we offer a comprehensive selection of turbochargers, intercoolers, and related components for Porsche models old and new. Manufactured using high-grade materials and advanced balancing technology, our range ensures consistent boost pressure, superior cooling efficiency, and long-term durability under extreme conditions.
Whether you’re restoring a classic 911 Turbo, upgrading a Cayman for track use, or replacing worn components on a modern model, our high-quality turbo and intercooler parts guarantee unmatched performance and reliability.
What Do Turbochargers & Intercoolers Do?
Turbochargers and intercoolers work together to enhance engine power, efficiency, and response.
Core Functions:
- Turbocharger:
     Compresses intake air to increase the engine’s air/fuel ratio, producing
     greater power.
 
- Intercooler:
     Reduces the temperature of compressed air before it enters the engine,
     improving combustion and preventing knock.
 
- Associated Parts: Turbo hoses, valves, clamps, and cooling lines maintain consistent boost pressure and reliable airflow.
Together, these systems optimise power delivery, throttle response, and engine longevity — key to achieving Porsche’s hallmark driving experience.
Why Do Turbochargers & Intercoolers Fail?
Turbo and intercooler systems operate under extreme temperatures and pressure. Over time, wear and heat cycling can cause performance degradation or failure.
Common Causes of Failure Include:
- Oil
     contamination or starvation damaging the turbo bearings.
 
- Boost
     leaks from worn seals, cracked hoses, or gaskets.
 
- Intercooler
     clogging due to debris or oil residue.
 
- Excessive
     exhaust temperatures leading to turbine damage.
 
- Corrosion or heat fatigue from prolonged high-speed driving.
Symptoms of failure include whining noises, loss of power, blue or black exhaust smoke, poor boost response, or oil leaks around the turbo system. Addressing these early can prevent costly repairs and maintain performance.
Why Replace Components?
Replacing a worn turbocharger or intercooler with a precision-engineered, high-performance alternative restores full boost pressure, temperature control, and efficiency — ensuring your Porsche performs as intended.
Key Benefits:
- Restores boost pressure and throttle response.
- Improves air cooling and power delivery.
- Prevents oil and boost leaks.
- Constructed from lightweight, heat-resistant materials.
- Direct-fit
     compatibility for Porsche 911, Cayman, Boxster, Macan, Panamera and more.
 
- Ideal for performance upgrades, maintenance, or rebuilds.
High-quality turbo and intercooler components are essential for reliable, sustained performance in both road and track environments.
Highlights:
- Turbochargers, intercoolers & related parts for Porsche models.
- Precision-engineered to enhance airflow, boost, and cooling.
- Heat-resistant construction ensures durability and performance.
- Perfect for maintenance, upgrades, or complete rebuilds.
- Supports Porsche 911, Cayman, Boxster, Panamera and more.
- Optimised for performance and reliability under extreme load.
 
 
         
                
                
                    
 
                                     
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                