GM Genuine Parts Thermostat Bypass Hose
OE
Pack of 1

GM Genuine Parts Thermostat Bypass Hose

GM Part #12558969

ACDelco Part #12558969

MSRP$33.99*

GM Genuine Parts Engine Coolant Bypass Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Pack of 1

About this product

GM Genuine Parts Engine Coolant Bypass Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

Clamps IncludedYes
Hose ColorBlack
Hose MaterialRubber
Contains SpringNo
End 1 Outside Diameter1.34 in / 34 mm
End 2 Inside Diameter0.87 in / 22.2 mm
End 1 Inside Diameter1 in / 25.4 mm
ClassificationOE
Hose ShapeMolded Assembly
Centerline Length4.46 in / 113.3 mm
End 2 Outside Diameter1.21 in / 30.8 mm

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

ModelBody StyleTrimYear(s)
C3500HD2001, 2002
C4500 Topkick2003, 2004, 2005, 2006, 2007, 2008, 2009
C5500 Topkick2003, 2004, 2005, 2006, 2007, 2008, 2009
Savana 35002001, 2002
Sierra 2500 HD2001, 2002, 2003, 2004, 2005, 2006