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Rein Engine Coolant Hose – Thermostat to Water Pipe (OEM 06B121057A) for Audi A4 1.8L (2002-2006)
REIN AUTOMOTIVE Water Hose - CHE0311
Rein Engine Coolant Hose – Thermostat to Water Pipe (OEM 06B121057A) for Audi A4 1.8L (2002-2006)
REIN AUTOMOTIVE Water Hose - CHE0311

Rein Engine Coolant Hose – Thermostat to Water Pipe (OEM 06B121057A) for Audi A4 1.8L (2002-2006)

REIN AUTOMOTIVE
Availability:
in stock, ready to be shipped
SKU CHE0311P
$9.65 - $9.65
$9.65
$9.65 - $9.65
$9.65
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

The Rein Engine Coolant Hose (CHE0311P) is a direct replacement for the thermostat-to-water pipe hose on Audi A4 models. Designed to OEM specifications, this hose provides a leak-free seal and long-lasting performance. It fits Audi A4 and A4 Quattro with 1.8L 4-cylinder engine from 2002 to 2006.

Key Features & Benefits

  • Direct OE replacement: Matches OEM part number 06B121057A for accurate fit.
  • Durable material: Made from reinforced rubber to handle high heat and pressure.
  • Easy installation: Pre-formed shape for simple, no-modification installation.
  • Leak prevention: Designed with precise sealing surfaces to prevent coolant leaks.

Vehicle Fitment

Make Model Years Engine
Audi A4 2002–2006 1.8L4
Audi A4 Quattro 2002–2005 1.8L4

Technical Specifications

Part Number CHE0311P
OEM Cross-Reference 06B121057A
Fitment Audi A4 1.8L 4-cylinder 2002-2006

Installation Notes

Direct bolt-on replacement, professional installation recommended.

About Rein

Rein Automotive is a trusted manufacturer of OE-quality cooling system components, known for precision fit and durability.

This part also goes by the following cross reference.

Cross Reference Part Number: 06B121057A

Fits These Vehicles 2 applications
B6 A4
Make Model Engine Years
Audi A4 1.8L4 2002–2006
Audi A4 Quattro 1.8L4 2002–2005
B7 A4
Make Model Engine Years
No vehicles listed for this group.