Radiator & Components for 2003 GMC Sierra 1500
No.
Part # / Description / Price
Price
1
Radiator 
GM
GM Description: All models. 5.3l. 4.8, 5.3 & 6.0L, 5.3L. Stamped #jds,aat,can,ajr. Optional. 4.8L. 5.3L, without rear ac. Lightweight; the radiators have a positive heat transfer to weight ratio
Corrosion-resistant aluminum designed core helps optimize the radiators long lasting service life
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
3
Radiator Insulator GM
GM Positions: Left
Description: The GM Radiator Insulator (MPN: 89019121) is a genuine OEM cooling system component designed to optimize engine temperature regulation across multiple GM truck and SUV platforms. This authentic General Motors part ensures proper thermal management and heat ...
MSRP $40.23
$27.50
MSRP $40.23
$27.50
4
Passenger Side Radiator Air Baffle GM
GM Positions: Right
Description: The Passenger Side Radiator Air Baffle (MPN: 15034806) is a genuine GM OEM cooling system component engineered to optimize engine airflow management in select GM vehicles equipped with 4.3L gas engines without rear air conditioning. This original equipment ...
MSRP $61.09
$41.92
MSRP $61.09
$41.92
5
Driver Side Radiator Air Baffle GM
GM Positions: Left
Description: The Driver Side Radiator Air Baffle (MPN: 15034805) is a genuine GM OEM part engineered to optimize engine cooling performance by directing airflow efficiently through the radiator. This authentic General Motors component is designed for 4.3L gas engine ve ...
MSRP $67.45
$46.28
MSRP $67.45
$46.28
6
Multi-Purpose Clip GM
GM Positions: Right
Description: Upgrade your GM vehicle with the genuine OEM Multi-Purpose Clip (MPN: 10121502), a critical fastening component designed to meet General Motors' exacting engineering standards. This authentic GM part provides reliable securing and attachment functionality ...
MSRP $3.14
$2.13
MSRP $3.14
$2.13
6
Flare Retainer (SOLD INDIVIDUALLY) GM
GM Positions: Lower
Description: The Genuine GM OEM Flare Retainer (MPN: 15149708) is an essential fastening component designed to secure and stabilize wheel well flare trim on select GM vehicles. This original equipment manufacturer part ensures proper fitment and durability for body pan ...
MSRP $6.84
$4.91
MSRP $6.84
$4.91
7
Upper Radiator Air Baffle GM
GM Notes: PARTS: Part includes belt routing and A/C caution label.
Description: 4.8, 5.3 & 6.0L, gmc. 6.6L turbo diesel, gmc. 8.1L gas, gmc. Avalanche. 4.3L, gmc. Without Escalade. Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
8
Multi-Purpose Clip GM
GM Description: The GM Genuine Multi-Purpose Clip (MPN: 11561878) is an authentic OEM component engineered to meet General Motors' exacting quality standards for secure fastening and component retention across select GM vehicles. This durable clip delivers reliable perfor ...
MSRP $7.59
$5.15
MSRP $7.59
$5.15
9
Radiator Support Baffle GM
GM Notes: PARTS: Order by application.
Description: The GM OEM Radiator Support Baffle (MPN: 15187923) is an essential engine cooling component engineered to optimize airflow management through your vehicle's radiator system. This genuine General Motors part is specifically designed for 4.8L, 5.3L, and 6.0L ...
MSRP $167.96
$110.79
MSRP $167.96
$110.79
9
Radiator Support Baffle GM
GM Notes: PARTS: Order by application.
Description: Without rear ac, 1500. 4.3L. Type 1, 1/2 ton. 4.8, 5.3 & 6.0L. without heavy duty. Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
11
Radiator Inlet Hose GM
GM Positions: Upper
Description: The Genuine GM OEM Radiator Inlet Hose (MPN: 15179498) is engineered to meet factory specifications for seamless cooling system performance across select GM vehicles equipped with 4.8L, 5.3L, and 6.0L engines. This essential cooling system component delive ...
MSRP $115.59
$76.83
MSRP $115.59
$76.83
12
Radiator Outlet Hose GM
GM Positions: Lower
Description: # Product Description
**Paragraph:**
The Genuine GM OEM Radiator Outlet Hose (MPN: 22827735) is an authentic General Motors replacement part engineered to maintain proper coolant circulation in your truck or SUV. This essential cooling system component fi ...
MSRP $50.61
$34.59
MSRP $50.61
$34.59
13
Radiator Surge Tank GM
GM Description: The GM Genuine OEM Radiator Surge Tank (MPN: 19353731) is a critical cooling system component designed for select GM vehicles equipped with 4.3L, 6.0L, and 8.1L engines. This authentic surge tank maintains proper coolant levels and pressure regulation, ens ...
14
15 P.S.I. Radiator Surge Tank Cap GM
GM Description: The Genuine GM OEM 15 P.S.I. Radiator Surge Tank Cap (MPN: 15075118) is an essential cooling system component designed to maintain proper pressure regulation and seal integrity in your vehicle's radiator surge tank. This original equipment manufacturer par ...
MSRP $26.18
$15.60
MSRP $26.18
$15.60
15
Radiator Surge Tank Inlet Hose GM
GM Description: 8.1L gas. 4.8, 5.3 & 6.0L. Inlet hose. 4.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
18
Engine Coolant Thermostat Water Inlet Assembly GM
GM Description: # Engine Coolant Thermostat Water Inlet Assembly (MPN: 12600172)
Upgrade your GM vehicle's cooling system with this genuine GM OEM Engine Coolant Thermostat Water Inlet Assembly (MPN: 12600172), engineered to factory specifications for optimal performance ...
MSRP $80.63
$45.91
MSRP $80.63
$45.91
19
Radiator Vent Inlet Hose GM
GM Description: Genuine GM OEM Radiator Vent Inlet Hose (MPN: 15020224) designed to connect the radiator to the engine cooling system on select GM vehicles equipped with 4.8L, 5.3L, 6.0L, and 6.2L engines. This critical vent hose maintains proper coolant circulation and s ...
MSRP $55.51
$37.94
MSRP $55.51
$37.94
19
Radiator Surge Tank Outlet Hose GM
GM Description: # Product Description
The Radiator Surge Tank Outlet Hose (MPN: 15792820) is a genuine GM OEM cooling system component engineered for 4.8L, 5.3L, and 6.0L engines, including vehicles with 2" body raises. This critical reservoir hose directs coolant flow f ...
MSRP $129.44
$86.05
MSRP $129.44
$86.05