Vaico V10-4288 Radiator Coolant Hose - Upper
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Vaico
 VAICO

Vaico V10-4288 Radiator Coolant Hose - Upper

Brand Vaico V10-4288
Position Upper
Height [mm] 118
Length [mm] 355
Packaging height [cm] 11,8
Packaging width [cm] 22,8
Shape Curved
Supplementary Article/Info 2 With releaser
Weight [kg] 0.503
Width [mm] 228
Product line VAICO
Fits Audi · 16 vehicles

Curved design. Helps route coolant smoothly through the hose path.

With releaser. Includes a releaser for easier service and maintenance.

Radiator coolant hose. A direct replacement hose for cooling system repairs.

Cross-references Rein CHR0506 and 8E0 121 070 B for the same application. See all 2.

$269.71Free shipping
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Not what you need? See all Radiator Coolant Hose options

Radiator Coolant Hose for Audi S4

VAICO V10-4288 is a curved radiator coolant hose for the upper cooling circuit on select 2004-2009 Audi S4 models. It is built to match the OE application for vehicles using radiator hose part number 8E0121070B, with fitment confirmed for the primary radiator connection.

For Audi S4 cooling system service, this VAICO hose provides a direct replacement path for the upper radiator hose location. The curved shape and releaser detail support proper routing and serviceability in the engine bay.

Key Features

  • Part number: V10-4288
  • Radiator coolant hose for the upper position
  • Curved hose shape for OE-style routing
  • Length: 355 mm
  • Height: 118 mm
  • Width: 228 mm
  • Supplementary article info: with releaser
  • Cross-reference: 8E0 121 070 B
  • Cross-reference: Rein CHR0506

Detailed Description

VAICO V10-4288 is a radiator coolant hose made for the upper radiator connection on 2004-2009 Audi S4 applications. The hose measures 355 mm in length, 118 mm in height, and 228 mm in width, with a curved profile that follows the factory routing used in the cooling system. This part cross-references 8E0 121 070 B and Rein CHR0506 for the same application. For Audi S4 owners replacing a worn upper coolant hose, V10-4288 supports OE-style fitment at the primary radiator location.

VAICO’s VAICO line is used for replacement parts that follow vehicle-specific dimensions and connection requirements. In this application, the V10-4288 radiator coolant hose is specified for the upper position on the primary radiator, making it a focused replacement for cooling system maintenance on Audi S4 models.

Common Problems It Can Address

  • Coolant seepage from a cracked or aged upper radiator hose
  • Softening, swelling, or collapse of the hose under heat and pressure
  • Improper routing caused by a damaged curved hose
  • Cooling system leaks at the primary radiator connection
  • Service issues related to a worn releaser-equipped hose assembly

Installation Notes and Tips

Confirm the OE number 8E0121070B and the upper radiator hose location before ordering. Inspect adjoining clamps, radiator necks, and nearby cooling components for wear or residue before installation. After replacement, refill and bleed the cooling system according to the vehicle service procedure to help prevent trapped air.

Quality Assurance

VAICO V10-4288 is an aftermarket replacement part specified for 2004-2009 Audi S4 upper radiator hose applications. Fitment is listed for Audi S4 models with the OE reference 8E0121070B.

Related reading

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2009AudiS4Cabriolet4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2008AudiS4Cabriolet4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2008AudiS4Base4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2008AudiS4Avant4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2007AudiS4Cabriolet4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2007AudiS4Base4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2007AudiS4Avant4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2006AudiS4Cabriolet4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2006AudiS4Base4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2006AudiS4Avant4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2005AudiS4Cabriolet4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2005AudiS4Base4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2005AudiS4Avant4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2004AudiS4Cabriolet4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2004AudiS4Base4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
2004AudiS4Avant4.2LV8UpperGrade: Aftermarket; Primary Radiator; With OE No. 8E0121070B; VAICO
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Rein — CHR05068E0 121 070 B