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Heater Core for 2003 GMC Sonoma

We have 6 Items In-stock. Select your vehicle's Submodel to continue.

Replacement Direct Fit Heater Core

This Replacement Direct Fit Heater Core is made from top quality materials and replaces your damaged stock unit.

  • Affordable replacement for broken or damaged part
  • Comes with 1-year unlimited mileage warranty

Replacement brand parts are the most affordable solution for your replacement needs! Replacement specializes in a wide range of OE replacement auto parts including body parts, lighting, electrical, brakes, suspension, intake, exhaust, cooling and heating parts. All Replacement brand items are backed by 1-year, unlimited-mileage warranty.

Replacement Heater Core - Direct Fit

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$52.07 $61.44 You Save $9.37 (15%)
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  • Brand SKU#: Replacement REPC503002
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 8.25 x 7.12 x 1.38 in.
  • Inlet Size: 0.75 in.
  • Outlet Size: 0.62 in.
  • Replaces OE Number: 52473178
  • Warranty: 1-year, unlimited-mileage warranty
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Fits the following 2003 GMC Sonoma Submodels

  • 4 Cyl 2.2L | SL, SLS
  • 6 Cyl 4.3L | SL, SLS
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Customer Review: (see review/s)
  • It matched up to the OEM configuration - fit well.

    posted by: MAX on May 9, 2013

Spectra Direct Fit Heater Core

Spectra has long been a trustworthy brand in manufacturing replacement heater cores for your heating and air conditioning system. Great fit, efficient functionality, and tough framework are the defining features of Spectra's OE equivalent heater core. This replacement product is meticulously fashioned to work like the initial heater core fitted in your motor vehicle. Every Spectra Direct Fit Heater Core is crafted according to precise criterias in order to perform this production feat.

For safer or relaxing ride, frequent automobile examination is recommended. Uncomfortable ride quality, lousy general operation, lower than optimal gas mileage, or increased risk for hardware break down are merely several drawbacks of driving a motor vehicle with a faulty automotive component. Order Spectra Direct Fit Heater Core to fix your heating and air conditioning system to its optimum shape.

Spectra Heater Core - Direct Fit

$65.62 $77.43 You Save $11.81 (15%)
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Availability: In Stock
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  • Brand SKU#: Spectra 93014
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: Same day - 1 business day
  • Inlet Size: 0.75 in.
  • Outlet Size: 0.63 in.
  • Warranty: 1-year Spectra limited warranty
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Fits the following 2003 GMC Sonoma Submodels

  • 4 Cyl 2.2L | SL, SLS
  • 6 Cyl 4.3L | SL, SLS
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ProRad Direct Fit Heater Core

ProRad Direct Fit Heater Core

ProRad Direct Fit Heater Core is the perfect replacement part of choice when it's time to restore your Heater Core. General performance wise, it would work as proficiently as the genuine heater core that came with your vehicle as it was released out new from the factory. Replacing automotive parts is a simple fact of life when fixing or modifying your vehicle. Eliminate the threat of unanticipated breakdown and potential harm to your various other automobile components by changing your aged and worn out heater core.

Features:

  • Meets and exceeds OE specifications
  • Easy installation process
  • Provides reliable performance and lengthy service life

ProRad Heater Core - Direct Fit

$66.67 $78.67 You Save $12.00 (15%)
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Availability: In Stock
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  • Brand SKU#: ProRad 9010035
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: Same day - 1 business day
  • Dimensions: 8 x 7.5 x 1 in.
  • Inlet Size: 0.75 in.
  • Outlet Size: 0.63 in.
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Fits the following 2003 GMC Sonoma Submodels

  • 4 Cyl 2.2L | SL, SLS
  • 6 Cyl 4.3L | SL, SLS
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AC Delco - OE Replacement Heater Cores

ACDELCO – OE REPLACEMENT HEATER CORES

The factory-original fit and lasting function of ACDelco’s OE replacement heater cores provide the perfect repair without breaking your budget. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • High-grade design delivers extended lifespan
  • Carefully formed to suit your specific vehicle
  • Engineered to exact OE standards
  • Has undergone stringent evaluation to guarantee proper fit and performance

AC Delco Heater Core - Direct Fit

$105.35 $124.31 You Save $18.96 (15%)
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Availability: In Stock
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  • Brand SKU#: AC Delco 15-60087
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 1-year or 12,000-mile AC Delco limited warranty

Fits the following 2003 GMC Sonoma Submodels

  • 4 Cyl 2.2L | SL, SLS
  • 6 Cyl 4.3L | SL, SLS
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GPD Direct Fit Heater Cores

For dependable Heater Cores, always rely on GPD. These Heater Cores are designed and manufactured from high quality components to meet or surpass OE requirements and specifications. With its high standard facilities, these AC parts assure quality and functionality like no others.

GPD Heater Core - Direct Fit

$52.29 $61.70 You Save $9.41 (15%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: GPD 8231235
  • Product Fit: Direct Fit
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: 1-year limited warranty

Fits the following 2003 GMC Sonoma Submodels

  • 6 Cyl 4.3L | SL, SLS
  • 4 Cyl 2.2L | SL, SLS
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