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Chevy Silverado 1500 Heater Cores

98500531 - : Manual Transmission 2nd Gear Synchronizer Cone for GM Image

Manual Transmission 2nd Gear Synchronizer Cone

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$69.06
MSRP $101.00
Save $31.94
31.6% Off
55350595 - : Oil Pressure Relief Valve Bore Plug for GM Image

Oil Pressure Relief Valve Bore Plug

These are Sold Individually. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$50.25
MSRP $70.05
Save $19.80
28.3% Off
39087005 - : Roof Front Header Garnish Molding Clip for GM Image

Roof Front Header Garnish Molding Clip

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Collision parts are...
$9.69
MSRP $12.77
Save $3.08
24.1% Off
97238725 - : Transfer Case Input Shaft Bore Plug for GM Image

Transfer Case Input Shaft Bore Plug

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$17.11
MSRP $24.21
Save $7.10
29.3% Off
96991997 - : Oil Pressure Relief Valve Bore Plug for GM Image

Oil Pressure Relief Valve Bore Plug

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.92
MSRP $6.86
Save $1.94
28.3% Off
24278912 - : Mode 1 Valve Bore Plug Retainer for GM Image

Mode 1 Valve Bore Plug Retainer

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.00
MSRP $4.18
Save $1.18
28.2% Off
24261974 - : Manual Transmission Counter Gear Bearing Cone for GM Image

Manual Transmission Counter Gear Bearing Cone

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$30.80
MSRP $44.33
Save $13.53
30.5% Off
98500479 - : Manual Transmission 3rd Gear Synchronizer Cone for GM Image

Manual Transmission 3rd Gear Synchronizer Cone

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$79.86
MSRP $116.80
Save $36.94
31.6% Off
88894069 - : Manual Transmission 3rd Gear Synchronizer Cone for GM Image

Manual Transmission 3rd Gear Synchronizer Cone

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Discontinued
24223941 - : Automatic Transmission Regulator Valve Bore Plug Retainer for GM Image

Automatic Transmission Regulator Valve Bore Plug Retainer

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.60
MSRP $7.81
Save $2.21
28.3% Off
24234262 - : Automatic Transmission Regulator Valve Bore Plug Retainer for GM Image

Automatic Transmission Regulator Valve Bore Plug Retainer

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.55
MSRP $7.73
Save $2.18
28.2% Off
24230871 - : Automatic Transmission Pressure Regulator Valve Bore Plug for GM Image

Automatic Transmission Pressure Regulator Valve Bore Plug

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.13
MSRP $5.75
Save $1.62
28.2% Off

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TL;DR Summary

A Silverado 1500 heater core helps transfer engine heat into the cabin HVAC system. Genuine GM heater core components help match the HVAC case, hose connections, and cooling-system layout.

Overview

When a heater core leaks or becomes restricted, Silverado 1500 owners may notice poor heat, coolant odor, window fogging, damp carpet, or coolant loss. Because heater core replacement can be labor-intensive, choosing the right part before the repair matters. Van Chevrolet GM Parts Center helps Silverado owners shop OEM HVAC components with fitment in mind.

What This Category Includes

  • Heater cores and related HVAC components
  • Heater core seals and connection parts
  • HVAC case and hose-related service components
  • OEM parts for supported Silverado 1500 applications

Why Genuine GM Parts Matter

OEM heater core components are designed around the HVAC case, tube orientation, and cooling-system connections. View a verified Silverado 1500 heater parts page.

How to Choose the Right Part

Confirm VIN, model year, cab configuration, HVAC equipment, and engine before ordering. If coolant contamination or leaks are present, inspect related cooling-system components during the repair.

Compatibility / Fitment Guidance

Heater core fitment can vary by model year, HVAC configuration, and body or cab setup. Confirm whether additional seals, clamps, or coolant service parts are needed before beginning the repair.

Key Takeaways

  • Heater core replacement should be planned carefully because labor can be significant.
  • OEM heater core parts help match the HVAC case and hose connection points.
  • Inspect related cooling components before completing the repair.

FAQ Section

What are the signs of a bad Silverado heater core?

Poor heat, coolant smell, damp carpet, window fogging, or unexplained coolant loss can point to heater core concerns.

Does heater core fitment vary by cab?

It can. Cab and HVAC configuration may affect fitment depending on model year.

Should I flush the cooling system?

That depends on the repair condition. Contaminated coolant or restriction concerns may require additional cooling-system service.