Rein CHR0794 Radiator Coolant Hose - Lower

Brand Rein CHR0794
Position Lower
Color Black
End 1 Inside Diameter 31.75
End 2 Inside Diameter 31.75
Grade Type Standard replacement
Fits Audi and Volkswagen · 52 vehicles

OE direct replacement. Fits as a standard replacement hose assembly.

Exact OE shape. Branches and quick-connect fittings match the original design.

Black finish. Clean, factory-style appearance for the cooling system.

Cross-references 5Q0122051CT for the same application. See all 1.

$106.57Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $106.57
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Lower Radiator Hose

The Rein CHR0794 radiator coolant hose is a standard replacement for European cooling systems that need an OE-style lower hose. It is built for direct replacement use on select Audi and Volkswagen applications, including Jetta, GTI, Golf, A3, and TTS Quattro models.

With a black finish and 31.75 mm inside diameter at both ends, this hose matches the original layout and connection size used in the vehicle cooling circuit. Rein CHR0794 is made to follow the original hose shape and branch design for a proper fit on the specified lower radiator hose applications.

Key Features

  • Radiator coolant hose for lower cooling system routing
  • Standard replacement grade for OE-style service
  • Black hose construction
  • 31.75 mm inside diameter at End 1
  • 31.75 mm inside diameter at End 2
  • Direct replacement for select Audi and Volkswagen models
  • Cross-reference: 5Q0122051CT

Detailed Description

Rein CHR0794 is a lower radiator coolant hose for European vehicles that require an OE-matched replacement. Rein Automotive hoses are built to mirror the original hose dimensions and branch geometry, including thermoplastic quick-connect fitting design where applicable, so the hose follows the factory routing used on the cooling system. This part number is used across multiple Volkswagen and Audi platforms, including 2019-2025 Volkswagen Jetta, 2019-2021 Volkswagen GTI, 2015-2020 Audi A3, and 2016-2023 Audi TTS Quattro with PR Code 8Z5.

This part number, CHR0794, is a practical choice when replacing a worn, cracked, or leaking lower coolant hose on compatible Audi A3, Audi TTS Quattro, Volkswagen Golf, and Volkswagen GTI applications. CHR0794 also cross-references 5Q0122051CT for the same application.

What It Helps Repair

  • Coolant leaks from a deteriorated lower radiator hose
  • Cracking or hardening from heat cycling and age
  • Loss of proper coolant flow through the lower hose circuit
  • Fitment issues caused by an incorrect replacement hose
  • Cooling system service on Audi and Volkswagen vehicles

Installation Notes

Verify the vehicle’s year, make, model, position, and PR code notes before ordering. This hose is listed for lower position applications only, with fitment varying by platform and equipment package. Inspect adjoining fittings, clamps, and mating surfaces before installation, and confirm the hose routing matches the original part removed from the vehicle.

Quality Assurance

Rein Automotive focuses on OE-quality replacement hoses for European vehicles, with dimensions and connection details matched to the original design. CHR0794 is built as a direct replacement radiator coolant hose for the listed Audi and Volkswagen applications.

This part fits 52 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2025VolkswagenJettaManual2.0LL4Lower—
2024VolkswagenJettaManual2.0LL4Lower—
2023AudiTTS Quattro—2.0LL4N/Aw/PR Code 8Z5
2023VolkswagenJettaManual2.0LL4Lower—
2022AudiTTS Quattro—2.0LL4N/Aw/PR Code 8Z5
2022VolkswagenJettaManual2.0LL4Lower—
2021AudiTTS Quattro—2.0LL4N/Aw/PR Code 8Z5
2021VolkswagenGTIManual2.0LL4Lower—
2021VolkswagenJettaManual2.0LL4Lower—
2020AudiA3—2.0LL4Lower—
2020AudiA3 Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2020AudiTTS Quattro—2.0LL4N/Aw/PR Code 8Z5
2020VolkswagenGTIManual2.0LL4Lower—
2020VolkswagenJettaManual2.0LL4Lower—
2019AudiA3—2.0LL4Lower—
2019AudiA3 Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2019AudiTTS Quattro—2.0LL4N/Aw/PR Code 8Z5
2019VolkswagenGolf Alltrack—1.8LL4Lower—
2019VolkswagenGolf SportWagen—1.8LL4Lowerw/o PR Code 8Z6
2019VolkswagenGTIManual2.0LL4Lower—
2019VolkswagenJettaManual2.0LL4Lower—
2018AudiA3—2.0LL4Lower—
2018AudiA3 Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2018AudiTT Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2018AudiTTS Quattro—2.0LL4N/Aw/PR Code 8Z5
2018VolkswagenGolf—1.8LL4Lower—
2018VolkswagenGolf Alltrack—1.8LL4Lower—
2018VolkswagenGolf SportWagen—1.8LL4Lowerw/o PR Code 8Z6
2018VolkswagenGTI—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2017AudiA3—2.0LL4Lower—
2017AudiA3 Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2017AudiTT Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2017AudiTTS Quattro—2.0LL4N/Aw/PR Code 8Z5
2017VolkswagenGolf—1.8LL4Lower—
2017VolkswagenGolf Alltrack—1.8LL4Lowerw/o PR Code 8Z6
2017VolkswagenGolf RManual2.0LL4Lowerw/o Aux. Rad.
2017VolkswagenGolf SportWagen—1.8LL4Lowerw/o PR Code 8Z6
2017VolkswagenGTIManual2.0LL4Lower—
2016AudiA3—1.8LL4Lower—
2016AudiA3 Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2016AudiTT Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2016AudiTTS Quattro—2.0LL4N/Aw/PR Code 8Z5
2016VolkswagenGolf—1.8LL4Lowerw/PR Code D6J
2016VolkswagenGolf RManual2.0LL4Lowerw/o Aux. Rad.
2016VolkswagenGolf SportWagen—1.8LL4Lowerw/o PR Code 8Z6
2016VolkswagenGTIManual2.0LL4Lower—
2015AudiA3—1.8LL4Lower—
2015AudiA3 Quattro—2.0LL4Lowerw/PR Code 8Z4, 8Z5
2015VolkswagenGolf—1.8LL4Lowerw/PR Code D6J
2015VolkswagenGolf RManual2.0LL4Lowerw/o Aux. Rad.
2015VolkswagenGolf SportWagen—1.8LL4Lowerw/o PR Code 8Z6
2015VolkswagenGTIManual2.0LL4Lower—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5Q0122051CT