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Belts / Tensioners / Rollers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 Turbo (965) 1991-93
Click 'Zoom in' for large parts diagram.
Diagram Ref No 40.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919213150
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Width:16 mm | Length: 667 mm
Teeth Quant.: 70

Fits:
Porsche 964 Turbo (965) 1991-93
Click 'Zoom in' for large parts diagram.
Diagram ref no 40.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919213150
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 Turbo (965) 1991-93
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919236550
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 Turbo (965) 1991-93
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919236550
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 Turbo 3.3L 1991-92
Porsche 964 Turbo 3.6L 1992-93
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93012621601
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Belt size 9.5 x 785

ALTERNATOR Belt
Porsche 964 (965) Turbo 3.2L 1991-92
Porsche 964 (965) Turbo 3.6L 1993-94
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13A.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919234550
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Belt size 9.5 x 785

ALTERNATOR Belt
Porsche 964 (965) Turbo 3.2L 1991-92
Porsche 964 (965) Turbo 3.6L 1993-94
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13A.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919234550
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 Turbo 3.3L 1991-92
Porsche 964 Turbo 3.6L 1992-93
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93012621601
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1990-94
Click picture for large parts diagram.
Diagram Ref No 17.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96414718703
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1990-94
Click 'Zoom in' for large parts diagram.
Diagram Ref No 17.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96414718703
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
This OE Match power steering belt is a replacement engine drive belt for Porsche 964 models from 1990 to 1994. It is designed to match the original-style fitment and function. This replacement drive belt helps power the power steering pump, supporting smooth steering assistance and reliable steering system operation.
Fits:
Porsche 964 1990 - 1994
Diagram Ref No 17
The power steering belt transfers rotational drive from the engine pulley system to the power steering pump. This allows the pump to generate hydraulic pressure for steering assistance, helping provide lighter and more controlled steering input during driving and manoeuvring.
Functions
• Replaces the power steering drive belt
• Drives the power steering pump
• Supports correct hydraulic steering assistance
• Helps maintain smooth and consistent steering feel
• Replaces cracked, glazed, stretched, frayed, noisy, or slipping belts
• Suitable for routine servicing and preventative maintenance
• OE Match replacement for Porsche 964 steering system service.
Why Replace This Part?
Power steering belts wear over time due to heat, vibration, pulley contact, age, and tension changes. A worn belt can crack, glaze, stretch, fray, squeal, slip, or fail completely. If the belt slips or breaks, the power steering pump may not operate correctly, which can result in heavy steering, warning symptoms, noise, or reduced steering assistance. Replacing the belt helps restore dependable power steering operation.
When to Replace This Part
• The power steering belt is cracked, glazed, frayed, loose, or worn
• Belt squeal or chirping is heard during steering or start-up
• Steering assistance feels heavy or inconsistent
• The power steering pump, pulleys, or tensioning components are being serviced
• The belt is slipping or not tracking correctly
• Preventative belt replacement is being carried out during scheduled maintenance
• The vehicle is undergoing Porsche 964 engine bay or steering system service.
Where it fits on the car
This belt fits within the power steering pump drive system on Porsche 964 models from 1990 to 1994. It runs around the relevant pulleys according to the factory belt routing.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96414718703
The product you are viewing cross references to these numbers
Engine Rebuild Belts, Tensioners & Rollers – Precision Timing for Reliable Porsche Performance
Engine rebuild belts, tensioners, and rollers are essential components in maintaining your Porsche’s precise engine timing and smooth operation. These parts work together to synchronise the camshaft and crankshaft, ensuring valves open and close at exactly the right time for optimal combustion. Over time, these components can wear or deteriorate, especially under high performance or extended use, making replacement vital during an engine rebuild or major service.
At Design911, we supply a full range of genuine and high-quality belts, tensioners, and rollers for various Porsche models including, 911, Boxster, Cayman, Cayenne, Macan, and Panamera models. Each component is designed for strength, accuracy, and long-lasting reliability — ensuring your rebuilt Porsche engine performs flawlessly mile after mile.
What Do Engine Belts, Tensioners & Rollers Do?
These components form the heart of the engine’s timing and
auxiliary systems. They:
- Drive
key engine components, including the camshaft, alternator, and water
pump.
- Maintain
accurate timing for optimal combustion and efficiency.
- Reduce
friction and noise through smooth roller and tensioner operation.
- Ensure consistent belt tension to prevent slippage or premature wear.
Together, they guarantee your Porsche’s engine runs smoothly, efficiently, and reliably — whether cruising or driving at peak performance.
Why Do Belts, Tensioners & Rollers Fail?
Exposure to high temperatures, vibration, and constant
motion causes natural wear over time. Common causes of failure include:
- Aging
rubber belts becoming brittle or cracked.
- Worn
bearings in rollers or tensioners leading to noise or vibration.
- Loss
of tension causing belt slippage or timing misalignment.
- Contamination
from oil or coolant degrading materials.
- Extended maintenance intervals leading to unexpected failure.
Symptoms of failing components include squealing noises, poor engine performance, rough idle, or even timing belt failure, which can cause severe engine damage if ignored.
Why Replace Belts, Tensioners & Rollers During an Engine Rebuild?
Replacing these components during an engine rebuild ensures long-term reliability and eliminates the risk of future timing-related failures. A fresh set of belts, rollers, and tensioners restores precision, efficiency, and performance — protecting your investment.
Benefits of replacement include:
- Restored precise timing and smooth operation.
- Reduced risk of catastrophic engine failure.
- Enhanced reliability and longevity of the rebuild.
- Quieter, more efficient engine performance.
All components available from Design911 are made using premium-grade materials, precision bearings, and advanced heat-resistant compounds, ensuring maximum durability and performance in high-stress Porsche engines.