2003 GMC Sierra 1500 Heater Cores

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Heater Core, 8 Cyl 5.3L
Part Number: REPC503005
Guaranteed to Fit
$27.82
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 Denali 8 Cyl 6.0L
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L
Product Details
Notes : Does not fit vehicles with custom floor console; Pipes must be rotated to match configurationReplaces OE Number : 89018297Replaces Partslink Number : GM3128108Replaces DPI Number : 9994Quantity Sold : Sold IndividuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Returns Policy : 30-Day Return PolicyOutlet Size : 0.75 in.Interchange Part Number : 1562960, 90050, 8231379, 93050, 89018297, GM3128108Core Dimensions : 8 x 7.5 x 1 in. Core sizeInlet Size : 0.75 in.
Heater Core, 8 Cyl 4.8L
Part Number: GPD8231379
Guaranteed to Fit
$30.20
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 Denali 8 Cyl 6.0L
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L
Product Details
Quantity Sold : Sold IndividuallyWarranty : 1 year GPD limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GPD OE ReplacementCore Material : Aluminum Core
Heater Core, 2-Door, Standard Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07), 6 Cyl 4.3L -
Part Number: AC1562960
Guaranteed to Fit
$148.49
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L 2-Door, Standard Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 Denali 8 Cyl 6.0L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L 2-Door, Standard Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 2-Door, Standard Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 2-Door, Standard Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L 2-Door, Standard Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 4-Door, Extended Cab Pickup, Air Conditioning Front Man/Aux Control(CJ3), Except Custom F/Cmpt Flr Cnsl(D07)
Product Details
Quantity Sold : Sold IndividuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment Series
Heater Core
Part Number: FS90050
Guaranteed to Fit
$38.49
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 Denali 8 Cyl 6.0L
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L
Product Details
Notes : 7.5 in. Core Width; 8.25 in. Core Height; 1.25 in. Core Depth; 0.75 in. Tube 1; 0.75 in. Tube 2Quantity Sold : Sold IndividuallyWarranty : 1 year or 12,000-mile 4-Seasons limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Core Material : Aluminum
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