Lubricating Underhood Applications in Vehicles

In this article we explore the best lubricants for lubricating underhood applications in vehicles. 

Table of Contents

underhood vehicle application

Automotive Lubricants

Vehicle underhood applications, such as actuators, bearings, gears and linkages, use lubricants which are irreplaceable. This is due to an absence of fittings for re-lubrication, meaning that the lubricants used must perform as intended over the lifecycle of the vehicle. As a result, vehicle manufacturers must ensure that when lubricating underhood applications, the quality of lubricants used in their vehicles is of premium quality.

Underhood Applications

Underhood automotive applications range from:

  • EGR valves
  • Clutch release bearings
  • Motor-driven actuators
  • Alternator bearings
  • Belt pulleys
  • ABS bearings
  • Throttle bodies
  • Drivetrain components

Benefits of Krytox Lubricants

Krytox lubricants are designed for automotive applications to ensure premium performance over the long-term. In general, Krytox lubricants, when used for underhood applications, enable:

  • Noise reduction
  • Improved durability of components
  • Enhanced efficiency of mechanical parts
  • Minimised risk of failure and therefore warranty claims
  • Cost and time savings

Krytox lubricants possess unique properties which makes them ideal for lubricating underhood applications, such as:

  • Operating as intended from -50°C to over 200°C.
  • Excellent resistance to harsh chemicals, vapours, and combustion by-products – which are common in engines and harm most other lubricants.
  • Compatible with all automotive fluids, elastomers and plastics.
  • Durable for the entire life of the vehicle.
  • Insoluble – maintain their lubricity despite the presence of dirt and grit.
  • Low volatility.

By providing excellent lubricity at extremely low and high temperatures, Krytox lubricants have the capacity to be used in petrol, diesel and electric vehicles. Through allowing lubrication even in electric vehicles, Krytox enables further innovation in the EV industry.

Lubricants for Lubricating Underhood Applications

Engine Accessories

Providing stability, durability and resistance to fuel and fume exposures, Krytox lubricants are ideal for use in engines.

Engine Part Benefits Provided by Krytox Lubricants

EGR Actuator

egr-actuator

  • Long Life
  • Stable at high temperatures
  • Highly resistance to exhaust fumes (diesel, petrol, LPG)

Intake Manifold Shaft Seals & Actuator

intake-manifold

  • Resistant to fuel and fume exposure
  • Lifetime lubrication
  • Highly compatible with rubber and polymer seals
  • Low volatility

Throttle Control

throttle-control

  • Fuel resistant
  • Non-migrating
  • Resistant to pressure (2.5 bar peak)
  • Material compatibility with plastic housing
  • Corrosion resistance

Super Charger


super-charger

  • Non migrating
  • Resistant to pressure (2.5 bar peak)
  • Material compatibility with plastic housing
  • Resistant to corrosion
  • Compatibility with polymer material
  • Anti-seize paste
  • Long life under high fuel resistance

Bearing/Bushing

Part/Area Benefits Provided by Krytox Lubricants

Alternator Bearing

alternator-bearing

  • Compatible with operating speeds in excess of 12,000 rpm
  • Will not breakdown due to high shear rates and high bearing loads
  • High underhood temperature

Belt Tensioner Bushing


belt-tensioner-bushing

  • Thermally stable
  • Highly resistant to severe shock loads, dirt, dust & automobile fluids
  • Compatibility with metal, polymer and elastomer materials

Pulley Bearing


pulley-bearing

  • Reduce low-temperature noise
  • Prevent corrosion
  • Extend bearing life over a wide range of speeds & vibration levels

Overrunning Clutch


overrunning-clutch

  • Highly resistant to vibrations
  • Extend bearing life over a wide range of speeds & vibration levels
  • Belt slip prevention

Water Pump Bearing


water-pump-bearing

  • Stable over a wide temperature range
  • Excellent wear and corrosion protection
  • Resistance to hot water and engine coolant concentrate

Viscous Fan Clutch Bearing


fan-clutch-bearing

  • Great film-forming capability separating lubrication surfaces
  • Completely inert to Viscous Fan Clutch Fluids
  • Operating temperature to reach nearly 200 °C while maintaining stability

Transmission & Clutch

Krytox lubricants ensure reliable and long term performance in transmission and clutch applications, even under high acceleration.
Part Benefits Provided by Krytox Lubricants

Clutch Release Bearing


clutch-release-bearing

  • Highly compatible with automotive fluids
  • Reliable performance for long periods
  • Excellent wear under high acceleration

Clutch Actuator


clutch-actuator

  • Compatible with seals and polymers
  • Inert to all types of hydraulic fluids
  • No swelling or shrinking

CV Joints / Motorsport

Krytox lubricants are ideal for Motorsport and other high-performance vehicles, due to being able to withstand high loads, temperatures and wears.
Part Benefits Provided by Krytox Lubricants

CV Joints


cv-joint

  • Resistant to high loads
  • Resistant to high temperature
  • Excellent wear protection
  • Elastomer compatibility

Get in touch today for more inquiries regarding lubricating underhood applications in vehicles!

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