GM GENUINE
More Information for GM GENUINE 19431988
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GM GENUINE 19431988  
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GM GENUINE 19431988 Specifications
Clamps IncludedYes
Contains SpringNo
End 1 Inside Diameter (IN)0.59
End 1 Inside Diameter (MM)15
End 1 Outside Diameter (IN)0.91
End 1 Outside Diameter (MM)23
End 2 Inside Diameter (IN)0.63
End 2 Inside Diameter (MM)16
End 2 Outside Diameter (IN)1.02
End 2 Outside Diameter (MM)26
Hose ShapeMolded Assembly
MaterialAluminum
Wall Thickness (IN)0.04
Wall Thickness (MM)1
Features:
  • Helps provide heat to the vehicle interior
  • Constructed from high quality material for a long service life
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
Signs it is Time to Replace Your Heater Hose(s)

Prevent system contamination and coolant leaks that could cause your engine to overheat by checking for these common signs of Heater Hose damage / failure:

INTERNAL DAMAGE

Soft / mushy hose ends, usually about 2 inches from the clamp.

Internally Damaged Hose
Internally Damaged Hose
LEAKAGE

Moisture, drips or coolant bleed marks on or around the hose clamps, connectors or hose.

Leak Damaged Hose
Leaking Hose
HEAT DAMAGE

Slight swelling, or a hardened, glossy cover that is covered with cracks.

Heat Damaged Hose
Heat Damaged Hose
OZONE DAMAGE

Tiny, parallel cracks in the cover, usually at hose bends.

Ozone Damaged Hose
Ozone Damaged Hose
ABRASION DAMAGE

Rubbing marks on, or damage to the hose cover.

Abrasion Damaged Hose
Abrasion Damaged Hose
OIL CONTAMINATION

Soft or spongy to the touch - bulges and swelling are readily apparent.

Oil Damaged Hose
Oil Contaminated Hose

Warranty Information:
24 Month / Unlimited Mile Warranty