-
Maintenance parts
- System clean glass
-
Brake
- Brake rear
- Front brake
- Filters
-
Body
- Trim/ Protection/ Decorative Strips/ Emblems
-
Body Parts/ Wing/ Bumper
- Mudguard
- Floor Panel
- Side Panel
- Wing/ Parts
- Bumper/ Parts
- Front Fairing/ Grille
- Rear-End Cowling
- Support Frame / Engine Carrier
- Exterior trims / Spoiler
- Exterior trims / Spoiler
- Exterior trims / Spoiler
- Clips
- Non-side opening elements
- Engine compartment bulkhead
- Front and rear unit
- Front and rear unit
- Exterior trims / Spoiler
- Exterior trims / Spoiler
- Clips
- Windows/ Mirrors
-
Hatches/Bonnets/Doors/Sunroof/Folding Roof
- Doors/ Parts
- Boot-/Cargo Area Flap/-Lid
- Convertible Top/Parts
- Tools
- Bodyshell
-
Engine
- Engine Timing Control
-
Gaskets
- Gasket Set, complete
-
Lubrication
- Oil Filter
- Oil Pan/ Parts
- Oil Pump/ Parts
-
Cylinder Head/ Parts
- Cylinder Head Cover/-Gasket
-
Engine Air Supply
- Air Filter/ Housing
- Intake Manifold
- Charger (Turbo-/ Supercharger)
-
Crankcase
- Crankcase
-
Crankshaft Drive
-
Crankshaft
- Main Bearings, crankshaft
- Crankshaft
-
Piston Assembly
- Piston
-
Crankshaft
-
Engine Mountings
- Fasteners
-
Complete Engine/ Sub-Assembly
- Complete Engine
-
Exhaust System
- Manifold
- Exhaust system
- Filters
-
Brake System
- Brake Master Cylinder
- Handbrake
- Brake Pipes
- Drive Dynamics Control
-
Drum Brake
- Brake Drum
- Mechanical brake pump
- Brake servo
- Braking system compensator
-
Cooling System
-
Water Pump/ Gasket
- Water Pump
- Radiator/ Oil Cooler
- Radiator Fan
- Rehating - Oil or fuel cooling
- Rehating - Oil or fuel cooling
- Rehating - Oil or fuel cooling
- Rehating - Oil or fuel cooling
-
Water Pump/ Gasket
-
Spark/ Glow Ignition
- Ignition Distributor/ Parts
- Ignition Coil/Ignition Coil Unit
- Preheating
- Starter switch
-
Electrics
- Alternator/- Parts
- Battery
-
Lights
-
Licence Plate Light/-Parts
- Licence Plate Light
-
Side-/Outline Lamp/-Parts
- Outline Light
-
Interior Lights
- Light, passenger compartment
- Side lights
- Side lights
- Bulbs - Fuses
- Side lights
-
Licence Plate Light/-Parts
- Headlight/ Parts
- Air/Electric Horn
-
Instruments
- Gauges
-
Starter System
- Starter
- Relay
- Sensors
- Harness
- Switches
- Switches
-
Suspension
- Shock Absorber
-
Steering
- Steering Gear/ Pump
- Control/Regulation
- Steering Wheel/Parts
-
Axle Mounting/ Steering/ Wheels
- Wheel Hub / Mounting
-
Stabiliser/Fastening Parts
- Stabilizer
- Axle Support / Axle Beam / -Mounting
- 4X4
-
Windscreen Cleaning System
- Wiper Blade/-Rubber
- Water Tank/ Pipe, windscreen
-
Clutch/ Parts
- Clutch Disc
-
Clutch Control
- Clutch Pedal
- Fuel Supply System
-
Transmission
-
Manual Transmission
- Transmission
- Manual speeds
-
Automatic Transmission
- Transmission Housing / Parts
- Transmission Control / Hydraulics
- Transmission
- Gearbox seals
- Automatic speeds
- Automatic speeds
- Gear selector fork
- Gear selector fork
- Gearbox casings
- Gearbox casings
- Gearbox casings
- Gearbox casings
- Gearbox casings
- Gearbox casings
- Gearbox gears
- Gearbox gears
- Gearbox gears
- Gearbox gears
- Gearbox gears
- Gearbox gears
- Gearbox repair kit
-
Manual Transmission
- Heater
-
Air Conditioning
- Compressor / Parts
- Controls/ Regulation
- Air conditioning
- Air conditioning
- Air conditioning
-
Fuel Mixture Formation
-
Mixture Formation
- Injection Pump
- Accelerator Pedal
- Fuel Injection Pump/High Pressure Pump
- Fuel injection
- Fuel injection
- Carburettor System
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
- Antipollution
-
Mixture Formation
-
Comfort Systems
- Cruise Control
- Information/ Communication Systems
-
Interior Equipment
- Seats
- Accessories
- Ashtray
- Floor Mats
- Glove Compartment
- Sun Visor
- Panelling
- Dashboard
-
Axle Drive
- Differential
-
Propshaft
- Propshaft
-
Locking System
- Lock Set
- Lock Barrel/ Set
- Wheels/Tyres
Gearbox gears for Renault R21 R21
Gearbox Gears: Components and Maintenance
Gearbox gears are essential components of a car's transmission system, responsible for transferring power from the engine to the wheels at different speeds and torque levels, influencing vehicle speed, acceleration, and fuel efficiency.
Key Components
Key parts of gearbox gears include:
- Gear Teeth: Mesh with each other to transmit power from one shaft to another.
- Synchronizers: Facilitate smooth gear shifts by matching gear speeds during engagement.
- Bearings: Support gears and shafts within the gearbox casing.
Maintenance and Inspection
Proper maintenance and inspection of gearbox gears are crucial for smooth transmission operation and vehicle drivability. Signs of worn or damaged gears include grinding noises, gear slippage, or difficulty shifting. Regular gearbox fluid changes and inspection of gear tooth wear help prevent costly transmission repairs and ensure continued vehicle performance.
Explore OEM gearbox gear parts in our catalog for reliable replacements and maintenance.