Replaces

Audi A4 A4 Quattro Radiator Overflow Bottle - 1AROB00041

Our coolant overflow bottles are some of the highest quality replacements on the market!

This radiator coolant overflow tank has been designed to replace the original design.

Specifications:

  • Direct replacement for originals that are cracked or broken
  • Replaces dealer part numbers: 8E0 121 403, 8E0121403
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction
  • Commonly called "Coolant Overflow Tank or Reservoir, or Expansion Tank" by Audi
  • Does NOT include cap
    • Buyer will need to reuse old cap

Now you can buy a high quality coolant reservoir that is built to strict quality control standards. REPLACE your broken or cracked one now with this great fitting Radiator Overflow Bottle.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Radiator Overflow Bottle (0:39)
    • Remove the radiator overflow bottle
    • Insert a drain pan beneath the overflow bottle
    • Twist the hose clamp off with a pair of pliers
    • Twist the hose off with a pair of pliers
    • Repeat the process for the lower hose
    • Remove the Phillips screw on the radiator bottle
    • Lift the bottle up and out
  2. step : Installing the Radiator Overflow Bottle (2:04)
    • Insert the overflow bottle into place
    • Replace the Phillips screw
    • Replace the hoses and tighten their clamps into place
    • Refill the radiator overflow bottle with coolant

Tools needed for replacement:

    General Tools

  • Drain Pan

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Screwdrivers & Related

  • Phillips Head Screwdriver

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Vehicle Fit

  • 2002-2006 Audi A4 Radiator Overflow Bottle for Models with L4 1.8L
  • 2005-2008 Audi A4 Radiator Overflow Bottle for Models with L4 2.0L
  • 2006-2007 Audi A4 Radiator Overflow Bottle for Models with V6 3.2L
  • 2002-2006 Audi A4 Quattro Radiator Overflow Bottle for Models with L4 1.8L
  • 2002-2005 Audi A4 Quattro Quattro Radiator Overflow Bottle for Models with L4 1.8L
  • 2005-2008 Audi A4 Quattro Radiator Overflow Bottle for Models with L4 2.0L
  • 2005-2008 Audi A4 Quattro Quattro Radiator Overflow Bottle for Models with V6 3.2L
  • 2005-2008 Audi A4 Quattro Quattro Radiator Overflow Bottle for Models with L4 2.0L
  • 2006-2007 Audi A4 Quattro Radiator Overflow Bottle for Models with V6 3.2L

This part replaces:

  • OE # 8E0 121 403
Part #: 1AROB00041

How-to Video:

(03:27 min)