Belts / Tensioners / Rollers
This kit includes:
- Camshaft Belt
- Balance shaft belt
- Camshaft tensioner roller
- Timing belt tensioner roller
- Balance shaft idler roller
- Camshaft idler roller
Fits:
Porsche 924/944 2.5L
Porsche 944 TURBO 2.5 >1986
WITHOUT AUTO ADJUSTER
Early cars (83-86) that have been updated to the later style waterpump with belt guard rail will not use this kit, please order parts individualy.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BELTKIT01
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 Turbo 2.5L 8V 1985-88
Number of ribs: 5, Length: 1005,0 mm.

Fits:
Porsche 944 1982-85
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919220650
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87

Fits:
Porsche 924s 1986-88 Cars with air conditioning
Porsche 944 1985-91 Cars with air conditioning
Porsche 968 1992-95 Cars with air conditioning
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919229951
The product you are viewing cross references to these numbers
- 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 Turbo S 3.0L 1993-94

Fits:
Porsche 924s 1986-88 Cars with air conditioning
Porsche 944 1985-91 Cars with air conditioning
Porsche 968 1992-95 Cars with air conditioning
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919229952
The product you are viewing cross references to these numbers
- 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 Turbo S 3.0L 1993-94


Fits:
Porsche 924S 1986-88
Porsche 944 1982-85
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919220451
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87

Fits:
Porsche 924S 1986-88
Porsche 944 1982-85
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919220451
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
Outer diameter: 49.8 mm,
Width: 22 mm

Fits:
Porsche 924S 1986-88
Porsche 944 1982-91 all models
Porsche 968 1992-95 all models
Click 'Zoom in' for large parts diagram.
Diagram Ref No 11.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410227706
The product you are viewing cross references to these numbers
- 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
Outer diameter: 49.8 mm,
Width: 22 mm

Fits:
Porsche 924S 1986-88
Porsche 944 1982-91 all models
Porsche 968 1992-95 all models
Click 'Zoom in' for large parts diagram.
Diagram Ref No 11.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410227706
The product you are viewing cross references to these numbers
- 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


Fits:
Porsche 924S 2.5 M44.01,M44.03 M44.07 M44.08
Porsche 944 2.5 M44.01 1981/06- 1984/12
Porsche 944 2.5 M44.07 M44.40 M44.50 1985/01- 1988/07
Porsche 944 2.5 M44.51 1987/08-1988/08
Porsche 944 2.5 M44.52 1988/09-1991/07
Porsche 944 2.7 M44.11 1988/09- 1989/08
Porsche 944 3.0 16V M44.41 1988/12-1991/07
Porsche 968 3.0 M44.43 M44.44 1992-
Click 'Zoom in' for large parts diagram.
Diagram Ref No 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410202507
The product you are viewing cross references to these numbers
- 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

Fits:
Porsche 924S 2.5 M44.01,M44.03 M44.07 M44.08
Porsche 944 2.5 M44.01 1981/06- 1984/12
Porsche 944 2.5 M44.07 M44.40 M44.50 1985/01- 1988/07
Porsche 944 2.5 M44.51 1987/08-1988/08
Porsche 944 2.5 M44.52 1988/09-1991/07
Porsche 944 2.7 M44.11 1988/09- 1989/08
Porsche 944 3.0 16V M44.41 1988/12-1991/07
Porsche 968 3.0 M44.43 M44.44 1992-
Click 'Zoom in' for large parts diagram.
Diagram Ref No 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410202507
The product you are viewing cross references to these numbers
- 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


Fits:
Porsche 924S 1986-88
Porsche 944 1982-91 all models
Porsche 968 1992-95 all models
Click 'Zoom in' for large parts diagram.
Diagram Ref No 14.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410221904
The product you are viewing cross references to these numbers
- 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
Width: 18 mm | Length: 1048 mm
Number of Teeth: 110 | Tooth Pitch: 9,525 mm

Fits:
Porsche 924S 1986-88
Porsche 944 1982-91 all models
Porsche 968 1992-95 all models
Click 'Zoom in' for large parts diagram.
Diagram Ref No 14.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410221904
The product you are viewing cross references to these numbers
- 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
Made in Germany

Fits:
Porsche 924S 2.5L 1986-88
Porsche 944 2.5L / 2.7L 1986>>
Porsche 944 S2 3.0L
Porsche 944 Turbo 951 2.5L
Here you get a tool to adjust the belt tensioner of the timing belt on your Porsche 924S and 944 from 1986 onwards. With this tool the adjustment of the belt tension is also possible under narrow space conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
7314
The product you are viewing cross references to these numbers
- 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


46mm diameter – 28mm wide
Fits:
Porsche 924S 1986-88
Porsche 944 1983-89*
Porsche 944 S, 944 S2, 944 Turbo
Porsche 968 1992-95
*see Notes 2 & 3
Note 1: Also fits early 87 924S up to engine # 43H01919 (Manual Trans) & 43H60384 (Auto Trans)
Note 2: Also fits early 87 924S from engine # 43H01920 (Manual Trans) & 43H60385 (Auto Trans)
Note 3: Early cars (83-86) that have been updated to the later style waterpump with belt guard rail will use this roller.
Snap a timing belt on this type of motor and the valves stop opening and closing, but those pistons keep slamming up and down. Bent valves, broken lifters, even a broken camshaft could be the outcome! Keep the relationship between your pistons and valves civil by performing proper timing and balance shaft belt maintenance. Due to the complexity and options, please choose all of the parts that apply to your vehicle carefully.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 6.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410524104
The product you are viewing cross references to these numbers
- 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

46mm diameter – 28mm wide
Fits:
Porsche 924S 1986-88
Porsche 944 1983-89*
Porsche 944 S, 944 S2, 944 Turbo
Porsche 968 1992-95
*see Notes 2 & 3
Note 1: Also fits early 87 924S up to engine # 43H01919 (Manual Trans) & 43H60384 (Auto Trans)
Note 2: Also fits early 87 924S from engine # 43H01920 (Manual Trans) & 43H60385 (Auto Trans)
Note 3: Early cars (83-86) that have been updated to the later style waterpump with belt guard rail will use this roller.
Snap a timing belt on this type of motor and the valves stop opening and closing, but those pistons keep slamming up and down. Bent valves, broken lifters, even a broken camshaft could be the outcome! Keep the relationship between your pistons and valves civil by performing proper timing and balance shaft belt maintenance. Due to the complexity and options, please choose all of the parts that apply to your vehicle carefully.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 6.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410524104
The product you are viewing cross references to these numbers
- 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


Fits:
Porsche 924S 1986
Porsche 944 2.5L 8V 1982-86
Click 'Zoom in' for large parts diagram.
Diagram Ref No 6.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410502704
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 944 2.5L 8V 1982-87
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.