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- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
Radiator Fan Mounting Rubber Buffer – Blower Grille Mount
Sold each - 2 required per car
High-quality rubber-metal mounting buffer designed for securing the radiator fan blower guard grille on Porsche 928 and 928S models (1980–1986).
This component acts as a vibration-damping mounting point,
ensuring the blower guard grille and associated fan assembly are securely
positioned while reducing vibration and noise within the cooling system.
Fits:
- Porsche 928 4.5L 1980-82
- Porsche 928S 4.7L 1981-83
Diagram ref no 6
Constructed using a durable rubber-metal bonded design, this mounting buffer is engineered to withstand engine bay temperatures, mechanical stress, and long-term use while maintaining flexibility and structural integrity.
A direct replacement part, this radiator fan mounting buffer is essential for maintaining proper cooling system stability and preventing unwanted movement or wear.
Reference Number: 99970331000
Key Features
• Direct replacement rubber-metal mounting buffer
• Suitable for Porsche 928 and 928S (1980–1986)
• Designed for radiator fan blower guard grille mounting
• Reduces vibration and noise within the cooling system
• Durable rubber-metal bonded construction
• OEM-style fit and function
Function and Purpose
This mounting buffer provides secure attachment and vibration isolation for the radiator fan assembly components.
It helps to:
• Stabilise the blower guard grille and fan assembly
• Reduce vibration transfer within the cooling system
• Minimise noise caused by component movement
• Protect surrounding components from wear and stress
Why Replace Your Radiator Fan Mounting Buffer
Over time, rubber-metal mounts can degrade due to heat and vibration.
Common issues include:
• Cracked or hardened rubber
• Reduced vibration damping performance
• Loose or unstable fan assembly components
• Increased noise or movement in the cooling system
Replacing the buffer restores proper mounting stability and cooling system performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970331000
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
A high-quality M5 captive speed nut designed for secures components such as the air intake guide and rear bumper cover mounting on the Porsche 928. This speed nut replicates Porsche’s original fastening standard, ensuring correct thread size, retainer design and installation fit.
Sold each.
Fits:
Porsche 928 1987 - 1995
• Thread size: M5
• Application: air intake guide (diagram ref no 8) and rear bumper cover mounting (diagram ref no 22)
This speed nut provides a secure, vibration-resistant anchoring point for parts that require frequent removal or tight fit-up. The captive design ensures the nut remains in position during assembly and removal processes, reducing fastener loss and ensuring consistent mount integrity.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99950731212
The product you are viewing cross references to these numbers