How to replace the radiator for the 4.3, 4.8, 5.3, and 6.0L engines on 2008 GMC Sierra 1500?

When changing the radiator to match the 4.3, 4.8, 5.3 and 6.0L engines, the shroud and cooling fan should be removed first. Disconnection of radiator outlet hose and the engine and transmission oil cooler lines. Unscrew the radiator bolts and remove the radiator.

OEM 2008 GMC Sierra 1500 Radiator

Cooling Radiator

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

6 Radiators found

View related parts
2008 GMC Sierra 1500 Radiator Part Number: 22840115
$293.04 MSRP: $438.04
You Save: $145.00 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15124631, 15797140, 15841569, 20935857
- Item Weight: 21.20 Pounds
- Item Dimensions: 47.8 x 24.5 x 8.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 22840115
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Base, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
View related parts
2008 GMC Sierra 1500 Radiator Part Number: 25810258
$277.38 MSRP: $414.61
You Save: $137.23 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Item Weight: 14.20 Pounds
- Item Dimensions: 7.4 x 46.9 x 25.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25810258
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- SLE, SLT, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
2008 GMC Sierra 1500 Radiator Part Number: 19256745
$336.66 MSRP: $477.13
You Save: $140.47 (30%)
ADD TO CART
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15124630, 15797139, 15841568
- Item Weight: 17.40 Pounds
- Item Dimensions: 49.0 x 26.6 x 8.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19256745
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Denali, Hybrid, SL, SLE, SLT, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
2008 GMC Sierra 1500 Radiator Part Number: 22840117
$273.03 MSRP: $386.94
You Save: $113.91 (30%)
ADD TO CART
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15124632, 15252638, 52473444, 15193108, 15841571, 52487604, 52486595
- Item Weight: 13.90 Pounds
- Item Dimensions: 48.1 x 26.1 x 7.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 22840117
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Base, C3, Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
View related parts
2008 GMC Sierra 1500 Radiator Part Number: 15841572
$311.75 MSRP: $466.00
You Save: $154.25 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15124633, 15252642
- Item Weight: 12.90 Pounds
- Item Dimensions: 47.7 x 7.5 x 24.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15841572
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Base, SL, WT | 6 Cyl 4.3 L GAS
View related parts
2008 GMC Sierra 1500 Radiator Part Number: 15841583
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15192540
- Item Weight: 10.60 Pounds
- Item Dimensions: 7.1 x 47.4 x 25.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15841583
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Base, SL, WT | 6 Cyl 4.3 L GAS

2008 GMC Sierra 1500 Radiator

With a comprehensive array of OEM 2008 GMC Sierra 1500 Radiator, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2008 GMC Sierra 1500 Radiator are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2008 GMC Sierra 1500 Radiator Parts and Q&A

Q: How to replace the radiator for the 4.3, 4.8, 5.3, and 6.0L engines on 2008 GMC Sierra 1500?
A: When changing the radiator to match the 4.3, 4.8, 5.3 and 6.0L engines, the shroud and cooling fan should be removed first. Disconnection of radiator outlet hose and the engine and transmission oil cooler lines. Unscrew the radiator bolts and remove the radiator.