2004 Audi S4 Suspension Shock Absorber Bellows - Rear KYB

with Bump Stop

KYB Corporation
KYB Corporation is one of the world's largest OE manufacturers of strut inserts and shock absorbers.
KYB AGX Adjustable Strut Assembly

The KYB AGX manually adjustable shocks are perfect for high performance and sport compact drivers, providing the ability to easily tune performance to match driving preferences.

Allows drivers to tune performance to match driving preferences

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Externally adjustable without lifting the vehicle or removing the tires
• Offers a wide range of damping rates from street to strip
• Perfect for high performance and sport compact drivers
• Available for select domestic and import cars
• Has adjustment knob or slot depending on the application

The KYB AGX shocks are externally adjustable without lifting the vehicle or removing the tires.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Electronically Controlled Strut Assembly

The KYB electronically controlled shock absorber will restore the vehicle’s original control and handling capabilities, guaranteeing the same fit, performance and durability of the OE it replaces.

• OEM Quality
• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Gas-a-Just Strut Assembly

The KYB Gas-a-Just Strut Assembly is engineered to significantly increase vehicle stability, handling and performance.

Significantly increases vehicle stability, handling, and control over twin-tube designs.

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Gas-a-Just is the replacement for an OE monotube shock.
• Ideal as an upgrade from an OE twin-tube.
• The more responsive monotube design automatically adjusts to driving conditions.
• Applications for cars, trucks, vans, and SUVs.

The KYB Gas-a-Just Strut Assembly is a more responsive mono-tube design that automatically adjusts to driving conditions and is an ideal upgrade from an OE twin-tube design.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB GR2 Absorber

The KYB GR2 OE-equivalent direct fit Strut Assembly is engineered to restore the vehicle’s originally designed handling and control. The GR2 Shocks are calibrated to compensate for worn suspensions and is a great choice to restore OE performance and original driving conditions.

Restores a vehicle’s originally designed handling and control

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Calibrated to compensate for worn suspensions
• Components and valving are designed specifically for each application
• The best choice to restore OE performance and normal driving conditions
• Built with quality that matches or exceeds OE
• Coverage for domestic and import cars, trucks, vans, minivans, and SUVs

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Excel-G Strut Assembly

The KYB Excel-G OE-equivalent direct fit Strut Assembly is engineered to restore the vehicle’s originally designed handling and control. The Excel-G Shocks are calibrated to compensate for worn suspensions and is a great choice to restore OE performance and original driving conditions.

Restores a vehicle’s originally designed handling and control

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Calibrated to compensate for worn suspensions
• Components and valving are designed specifically for each application
• The best choice to restore OE performance and normal driving conditions
• Built with quality that matches or exceeds OE
• Coverage for domestic and import cars, trucks, vans, minivans, and SUVs

The KYB Excel-G is identical to the GR2 except for the product name and paint color.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB MonoMax Strut Assembly

The KYB MonoMax performance direct fit shock absorber is designed for light trucks, vans, and SUVs, including some lifted and lowered vehicles.

Maximum control for trucks and SUVs – stronger, more durable truck shock

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• The right choice for hauling, towing, or plowing
• The best performer on harsh road conditions
• Perfect for diesel trucks
• Applications for light trucks, vans, and SUVs, including some lifted and lowered vehicles

The KYB MonoMax is a stronger, more durable heavy duty truck shock that is engineered for harsh road conditions as well as heavy hauling, towing, or plowing.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Self Leveling Strut Assembly

The KYB self leveling Strut Assemblys automatically adjust suspension balance and height to keep the vehicle level in all driving conditions. Just like the OE shocks, self-leveling shocks from KYB include the pump, sensor, regulator, and reservoir inside of the sealed unit.

• OEM Quality.
• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Strut Plus Strut Assembly

The KYB Strut Plus is designed for vehicles with high registrations or a history of spring fatigue. The KYB Strut Plus comes complete ready to install.

• OE-Equivalent.
• Direct fit application for ease of installation.
• Ready to install
• No spring compressor required.

What's Included:

• KYB Excel-G Strut
• KYB Coil Spring
• Bearing Plate
• Boot Kit & Bumper
• Spring Seat & Isolators

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB AGX Adjustable Strut Insert

The KYB AGX manually adjustable shocks are perfect for high performance and sport compact drivers, providing the ability to easily tune performance to match driving preferences.

Allows drivers to tune performance to match driving preferences

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Externally adjustable without lifting the vehicle or removing the tires
• Offers a wide range of damping rates from street to strip
• Perfect for high performance and sport compact drivers
• Available for select domestic and import cars
• Has adjustment knob or slot depending on the application

The KYB AGX shocks are externally adjustable without lifting the vehicle or removing the tires.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shocks, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Electronically Controlled Strut Insert

The KYB electronically controlled insert will restore the vehicle’s original control and handling capabilities, guaranteeing the same fit, performance and durability of the OE it replaces.

• OEM Quality
• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Strut Inserts, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Gas-a-Just Strut Insert

The KYB Gas-a-Just Strut Insert is engineered to significantly increase vehicle stability, handling and performance.

Significantly increases vehicle stability, handling, and control over twin-tube designs.

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Gas-a-Just is the replacement for an OE monotube shock.
• Ideal as an upgrade from an OE twin-tube.
• The more responsive monotube design automatically adjusts to driving conditions.
• Applications for cars, trucks, vans, and SUVs.

The KYB Gas-a-Just Strut Insert is a more responsive mono-tube design that automatically adjusts to driving conditions and is an ideal upgrade from an OE twin-tube design.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Strut Inserts, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB GR2 Absorber

The KYB GR2 OE-equivalent direct fit Strut Insert is engineered to restore the vehicle’s originally designed handling and control. The GR2 Shocks are calibrated to compensate for worn suspensions and is a great choice to restore OE performance and original driving conditions.

Restores a vehicle’s originally designed handling and control

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Calibrated to compensate for worn suspensions
• Components and valving are designed specifically for each application
• The best choice to restore OE performance and normal driving conditions
• Built with quality that matches or exceeds OE
• Coverage for domestic and import cars, trucks, vans, minivans, and SUVs

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Strut Inserts, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Excel-G Strut Insert

The KYB Excel-G OE-equivalent direct fit Strut Insert is engineered to restore the vehicle’s originally designed handling and control. The Excel-G Shocks are calibrated to compensate for worn suspensions and is a great choice to restore OE performance and original driving conditions.

Restores a vehicle’s originally designed handling and control

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Calibrated to compensate for worn suspensions
• Components and valving are designed specifically for each application
• The best choice to restore OE performance and normal driving conditions
• Built with quality that matches or exceeds OE
• Coverage for domestic and import cars, trucks, vans, minivans, and SUVs

The KYB Excel-G is identical to the GR2 except for the product name and paint color.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Strut Inserts, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Self Leveling Strut Insert

The KYB self leveling Strut Inserts automatically adjust suspension balance and height to keep the vehicle level in all driving conditions. Just like the OE shocks, self-leveling shocks from KYB include the pump, sensor, regulator, and reservoir inside of the sealed unit.

• OEM Quality.
• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Strut Inserts, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Strut Plus - Strut Insert

The KYB Strut Plus is designed for vehicles with high registrations or a history of spring fatigue. The KYB Strut Plus comes complete ready to install.>

• OE-Equivalent.
• Direct fit application for ease of installation.
• Ready to install
• No spring compressor required.

What's Included:

• KYB Excel-G Strut
• KYB Coil Spring
• Bearing Plate
• Boot Kit & Bumper
• Spring Seat & Isolators

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Strut Inserts, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Strut Mount

The KYB strut mount is OE Quality and is manufactured using only the highest quality materials and is designed to reduce road noise and vibration.

• OE-Equivalent and direct fit application
• Reduces squeaks, rattles, and vibration noise
• Pivot for the steering mechanism, providing a smooth steering response
• Resistant to oil and other contaminants
• Meets or exceeds OEM specifications

Installation Note: It is reccommended that the strut mounts should be replaced anytime the shocks or struts are removed.

WARRANTY INFORMATION: 12 month - 12,000 mile limited warranty against defects in material and workmanship.

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KYB AGX Adjustable Shock Absorber

The KYB AGX manually adjustable shock absorbers are perfect for high performance and sport compact drivers, providing the ability to easily tune performance to match driving preferences.

Allows drivers to tune performance to match driving preferences

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Externally adjustable without lifting the vehicle or removing the tires
• Offers a wide range of damping rates from street to strip
• Perfect for high performance and sport compact drivers
• Available for select domestic and import cars
• Has adjustment knob or slot depending on the application

The KYB AGX shocks are externally adjustable without lifting the vehicle or removing the tires.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shock Absorbers, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Electronically Controlled Shock Absorber

The KYB electronically controlled shock absorber will restore the vehicle’s original control and handling capabilities, guaranteeing the same fit, performance and durability of the OE it replaces.

• OEM Quality
• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shock Absorbers, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Gas-a-Just Shock Absorber

The KYB Gas-a-Just shock absorber is engineered to significantly increase vehicle stability, handling and performance.

Significantly increases vehicle stability, handling, and control over twin-tube designs.

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Gas-a-Just is the replacement for an OE monotube shock.
• Ideal as an upgrade from an OE twin-tube.
• The more responsive monotube design automatically adjusts to driving conditions.
• Applications for cars, trucks, vans, and SUVs.

The KYB Gas-a-Just shock absorber is a more responsive mono-tube design that automatically adjusts to driving conditions and is an ideal upgrade from an OE twin-tube design.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shock Absorbers, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB GR2 Shock Absorber

The KYB GR2 OE-equivalent direct fit shock absorber is engineered to restore the vehicle’s originally designed handling and control. The GR2 Shocks are calibrated to compensate for worn suspensions and is a great choice to restore OE performance and original driving conditions.

Restores a vehicle’s originally designed handling and control

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Calibrated to compensate for worn suspensions
• Components and valving are designed specifically for each application
• The best choice to restore OE performance and normal driving conditions
• Built with quality that matches or exceeds OE
• Coverage for domestic and import cars, trucks, vans, minivans, and SUVs

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shock Absorbers, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Excel-G Shock Absorber

The KYB Excel-G OE-equivalent direct fit shock absorber is engineered to restore the vehicle’s originally designed handling and control. The Excel-G Shocks are calibrated to compensate for worn suspensions and is a great choice to restore OE performance and original driving conditions.

Restores a vehicle’s originally designed handling and control

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• Calibrated to compensate for worn suspensions
• Components and valving are designed specifically for each application
• The best choice to restore OE performance and normal driving conditions
• Built with quality that matches or exceeds OE
• Coverage for domestic and import cars, trucks, vans, minivans, and SUVs

The KYB Excel-G is identical to the GR2 except for the product name and paint color.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shock Absorbers, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB MonoMax Shock Absorber

The KYB MonoMax performance direct fit shock absorbe is designed for light trucks, vans, and SUVs, including some lifted and lowered vehicles.

Maximum control for trucks and SUVs – stronger, more durable truck shock

• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.
• The right choice for hauling, towing, or plowing
• The best performer on harsh road conditions
• Perfect for diesel trucks
• Applications for light trucks, vans, and SUVs, including some lifted and lowered vehicles

The KYB MonoMax is a stronger, more durable heavy duty truck shock that is engineered for harsh road conditions as well as heavy hauling, towing, or plowing.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shock Absorbers, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Self Leveling Shock Absorber

The KYB self leveling shock absorbers automatically adjust suspension balance and height to keep the vehicle level in all driving conditions. Just like the OE shocks, self-leveling shocks from KYB include the pump, sensor, regulator, and reservoir inside of the sealed unit.

• OEM Quality.
• Direct fit application for ease of installation.
• Supplied with required bushings and hardware.

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shock Absorbers, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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KYB Strut Plus Shock Absorber

The KYB Strut Plus is designed for vehicles with high registrations or a history of spring fatigue. The KYB Strut Plus comes complete ready to install.

• OE-Equivalent.
• Direct fit application for ease of installation.
• Ready to install
• No spring compressor required.

What's Included:

• KYB Excel-G Strut
• KYB Coil Spring
• Bearing Plate
• Boot Kit & Bumper
• Spring Seat & Isolators

KYB LIMITED LIFETIME WARRANTY: KYB America LLC (“KYB”) warrants to the original retail purchaser that all KYB Shock Absorbers, Struts and Strut Cartridges (Except KYB Strut-Plus™, Electronic and Self-Leveling Units) purchased from an authorized KYB dealer shall be free from defects when used on private passenger cars and light trucks for personal use under normal operating conditions

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