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

Specifications:

  • Brand New Radiator Overflow Bottle
  • Commonly called "Coolant Overflow Tank" or "Reservoir"
  • Strengthened and redesigned in the vulnerable areas of failure
  • Replacement for originals that are cracked or broken
  • Plastic construction
  • Includes 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. Please keep your invoice for proof of this warranty.

  1. step : Removing the Fender Liner (0:25)
    • Remove the radiator cap from the expansion tank
    • Pry out the clips from the splash shield or fender liner
    • Slide the liner out of the way
  2. step : Draining the Coolant (1:56)
    • Have a drain pan ready
    • Loosen the hose clamp on the lower radiator hose
    • Disconnect the lower radiator hose
    • Let the fluid drain
    • Reconnect the lower radiator hose
    • Tighten the hose clamp
  3. step : Removing the Air Intake Tube (3:44)
    • Pop off the engine cover
    • Pop off the PCV valve
    • Unclip the hose from the clip in the intake
    • Loosen the two hose clamps with a 7mm socket
    • Remove the air intake hose from the airbox and throttle body
    • Pry the intake up and out
    • Disconnect the mass air flow meter
    • Lift the airbox off of the rubber mounts
  4. step : Removing the Coolant Reservoir (6:14)
    • Have a drain pan ready
    • Loosen the hose clamp from the lower coolant reservoir hose
    • Loosen the hose clamp from the upper hose
    • Disconnect the hoses
    • Remove the two 10mm bolts from the coolant reservoir
    • Lift the bottle up and out
  5. step : Installing the Coolant Reservoir (8:15)
    • Lower the coolant reservoir into place
    • Tighten the two 10mm bolts to the coolant reservoir
    • Connect the lower hose and tighten the clamp
    • Connect the upper hose and tighten the clamp
  6. step : Installing the Air Intake Tube (10:26)
    • Lower the air box onto the rubber mounts
    • Connect the MAF sensor
    • Press on the air intake pipe
    • Tighten the hose clamps to the air intake hose
    • Clip in the hose
    • Press on the breather hose
  7. Do not remove the coolant overflow bottle cap with the engine hot

  8. step : Refilling the Coolant (12:30)
    • Insert a funnel into the coolant reservoir
    • Fill the reservoir to the cold fill line with 50/50 mix of DexCool
    • Run the vehicle and keep the coolant at the fill line
    • Place the cap on the coolant bottle
    • Let the engine cycle a few times and heat up
    • Turn off the engine, let it cool, and refill as necessary
  9. step : Installing the Fender Liner (13:45)
    • Line the splash shield up into place
    • Press in the splash shield clips

Tools needed for replacement:

    General Tools

  • Funnel
  • Drain Pan
  • Pick

  • Materials, Fluids, and Supplies

  • Paper Towels
  • Anti-Freeze

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Ratchets & Related

  • Socket Extensions
  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 7mm Socket
  • 10mm Socket

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How-to Video:

(14:58 min)

Tools List:

    General Tools

  • Funnel
  • Drain Pan
  • Pick

  • Materials, Fluids, and Supplies

  • Paper Towels
  • Anti-Freeze

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Ratchets & Related

  • Socket Extensions
  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 7mm Socket
  • 10mm Socket



This part replaces:

  • Dorman 603-054
  • OE # 22870828
  • OE # 15833723
  • OE # 22797286

Vehicle Fit

  • 2007-2008 Cadillac Escalade Radiator Overflow Bottle with Cap
  • 2009-2013 Cadillac Escalade Radiator Overflow Bottle with Cap excluding Hybrid Models
  • 2014 Cadillac Escalade Radiator Overflow Bottle with Cap
  • 2007-2014 Cadillac Escalade ESV Radiator Overflow Bottle with Cap
  • 2007-2013 Cadillac Escalade EXT Radiator Overflow Bottle with Cap
  • 2007-2013 Chevy Avalanche 1500 Radiator Overflow Bottle with Cap
  • 2007 Chevy Silverado 1500 New Body Style Radiator Overflow Bottle with Cap
  • 2008 Chevy Silverado 1500 Radiator Overflow Bottle with Cap
  • 2009-2013 Chevy Silverado 1500 Radiator Overflow Bottle with Cap excluding Hybrid Models
  • 2007 Chevy Silverado 2500 HD New Body Style Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2008-2014 Chevy Silverado 2500 HD Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2007 Chevy Silverado 3500 New Body Style Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2008-2014 Chevy Silverado 3500 Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2007-2014 Chevy Suburban 1500 Radiator Overflow Bottle with Cap
  • 2007-2014 Chevy Suburban 2500 Radiator Overflow Bottle with Cap
  • 2007 Chevy Tahoe Radiator Overflow Bottle with Cap
  • 2008-2013 Chevy Tahoe Radiator Overflow Bottle with Cap excluding Hybrid Models
  • 2014 Chevy Tahoe Radiator Overflow Bottle with Cap
  • 2007 GMC Sierra 1500 New Body Style Radiator Overflow Bottle with Cap
  • 2008 GMC Sierra 1500 Radiator Overflow Bottle with Cap
  • 2009-2013 GMC Sierra 1500 Radiator Overflow Bottle with Cap excluding Hybrid Models
  • 2007 GMC Sierra 2500 HD New Body Style Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2008-2014 GMC Sierra 2500 HD Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2007 GMC Sierra 3500 New Body Style Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2008-2014 GMC Sierra 3500 Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2011-2014 GMC Sierra Denali 2500 HD Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2011-2014 GMC Sierra Denali 3500 HD Radiator Overflow Bottle with Cap excluding Diesel Engines
  • 2007 GMC Yukon Radiator Overflow Bottle with Cap
  • 2008-2013 GMC Yukon Radiator Overflow Bottle with Cap excluding Hybrid Models
  • 2014 GMC Yukon Radiator Overflow Bottle with Cap
  • 2007-2014 GMC Yukon XL 1500 Radiator Overflow Bottle with Cap
  • 2007-2013 GMC Yukon XL 2500 Radiator Overflow Bottle with Cap
Part #: 1AROB00223

Ships Same Day for orders placed by 4 P.M. ET

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Customer Feedback

"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
- Dwuan M.
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