Replaces

1998-1999 Chevy Lumina Upper Radiator Hose for V6 3.8L (8th Vin Digit K)

This part replaces:

  • OE # 10421339

  • New

This replacement UPPER radiator hose is among the highest quality replacements on the market!

Specifications:

  • UPPER Radiator Hose
  • Replaces dealer part number: 10421339
  • Direct replacement for a weakened or leaking hose
  • Made from high quality rubber for superb fit & function
  • Built to strict quality control standards
  • Small End Inside Diameter: 1-5/16"
  • Large End Inside Diameter: 1-5/16"
  • Length: 17"

Wear and Tear

This item is backed by a 60-day warranty against defects in materials and workmanship under its intended use. The warranty does not cover normal wear and tear. Please keep your invoice for proof of this warranty.

  1. Remove the upper radiator hose.
    • Unbolt the brace with a 13 mm socket and ratchet.
    • Pull your coolant bottle hose aside out of the way.
    • Use a pair of pliers to unclamp the ends of the hose and pull the hose off.
    • Wipe down the area with a cloth and clean any corrosion on the fitting with a wire brush.
  2. Install the new upper radiator hose from 1A Auto
    • Use the pliers to fit the clamps on the end of the hose.
    • Position the hose onto the fittings and use the pliers to slide the clamps down onto the fitting and tighten them.
    • Fill your coolant reservoir with the appropriate coolant for you vehicle (specified in the owner’s manual)
    • Plug the coolant bottle hose back in and bolt down the brace with your 13 mm socket and ratchet.

How-to Video:

(05:40 min)

Tools List:

    Pliers, Cutters & misc Wrenches

  • Slip-Joint Pliers

  • Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 13mm Socket



This part replaces:

  • OE # 10421339

Vehicle Fit

  • 2005-2008 Buick Allure Upper Radiator Hose for V6 3.8L (8th Vin Digit 2)
  • 1998-1999 Buick Century Upper Radiator Hose for V6 3.1L (8th Vin Digit M)
  • 2000-2005 Buick Century Upper Radiator Hose for V6 3.1L (8th Vin Digit J)
  • 2005-2009 Buick LaCrosse Upper Radiator Hose for V6 3.8L (8th Vin Digit 2)
  • 1996-2004 Buick Regal Upper Radiator Hose for V6 3.8L (8th Vin Digit K)
  • 1997-2004 Buick Regal Upper Radiator Hose for V6 3.8L (8th Vin Digit 1)
  • 2005-2006 Buick Terraza Upper Radiator Hose for V6 3.5L (8th Vin Digit L)
  • 2000-2005 Chevy Impala Upper Radiator Hose for V6 3.8L (8th Vin Digit K)
  • 2000-2005 Chevy Impala Upper Radiator Hose for V6 3.4L (8th Vin Digit E)
  • 2004-2005 Chevy Impala Upper Radiator Hose for V6 3.8L (8th Vin Digit 1)
  • 1998-1999 Chevy Lumina Upper Radiator Hose for V6 3.8L (8th Vin Digit K)
  • 1998-1999 Chevy Lumina Upper Radiator Hose for V6 3.1L (8th Vin Digit M)
  • 2000-2001 Chevy Lumina Upper Radiator Hose for V6 3.1L (8th Vin Digit J)
  • 1998-2005 Chevy Monte Carlo Upper Radiator Hose for V6 3.8L (8th Vin Digit K)
  • 1998-1999 Chevy Monte Carlo Upper Radiator Hose for V6 3.1L (8th Vin Digit M)
  • 2000-2005 Chevy Monte Carlo Upper Radiator Hose for V6 3.4L (8th Vin Digit E)
  • 2004-2005 Chevy Monte Carlo Upper Radiator Hose for V6 3.8L (8th Vin Digit 1)
  • 2005-2006 Chevy Uplander Upper Radiator Hose for V6 3.5L (8th Vin Digit L)
  • 1998-1999 Olds Intrigue Upper Radiator Hose for V6 3.8L (8th Vin Digit K)
  • 1997-2003 Pontiac Grand Prix Upper Radiator Hose for V6 3.8L (8th Vin Digit K)
  • 1997-2003 Pontiac Grand Prix Upper Radiator Hose for V6 3.8L (8th Vin Digit 1)
  • 1998-1999 Pontiac Grand Prix Upper Radiator Hose for V6 3.1L (8th Vin Digit M)
  • 2000-2003 Pontiac Grand Prix Upper Radiator Hose for V6 3.1L (8th Vin Digit J)
  • 2004-2008 Pontiac Grand Prix Upper Radiator Hose for V6 3.8L (8th Vin Digit 2)
  • 2004-2007 Pontiac Grand Prix Upper Radiator Hose for V6 3.8L (8th Vin Digit 4)
  • 2005 Pontiac Montana Upper Radiator Hose for V6 3.5L (8th Vin Digit L)
  • 2005-2007 Saturn Relay Upper Radiator Hose for V6 3.5L (8th Vin Digit L)
$25.45
Save 46%
List: $47.00 Save: $21.55
Part #: 1ARHU00002

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