GREEN FILTER replacement filter for RENAULT R4

GREEN FILTER replacement filter for RENAULT R4

This cotton replacement filter takes just a few seconds to fit to your standard air box, as a direct replacement for your standard paper filter.

Benefits of Green air filters:
- 2 layers of natural, woven cotton fibre, behind a double galvanised steel mesh, epoxy paint.
- 100,000km warranty for first user.
- Can be cleaned and reused, so doesn't need replacing (every year or 7,000km).
- Designed to last for the lifetime of your vehicle.
- Lower pressure drop: 30 to 40% more air let through compared to the standard paper filter.
- Better performance: greater engine output and longer mechanical life
- Fuel savings of 2 to 3% at equivalent load.
- Used by the leading motor racing teams.
Cotton is used instead of paper. Its qualities are:
- More air trapped: 40% increase allowing for better combustion
- Less engine wear - Almost unlimited lifespan
- Non-mechanical effect so not sensitive to moisture. Replacement filters reduce the pressure drop phenomenon. Lower pressure drop means more engine flexibility, which makes for a more comfortable drive.
This filter means a better mixture of combustion gases thanks to the extra air intake.
The filter is easy to fit and clean.

Replacement filter for :
- RENAULT R4 GTL from 1978
- RENAULT R4 F4/F6

Filter characteristics :
- Shape : Round
- L1: 165 mm
- L3 : 201 mm
- H : 76 mm

Simply clean regularly to maintain optimal performance. To clean your filter, we recommend GREEN FILTER cleaners such as the non-solvent detergent and oil spray ref. 451NH01 or 451NH02.