How to replace the radiator for the 8.1L engine on 2006 GMC Sierra 3500?

The radiator of the 8.1L engine should be replaced by removing radiator hoses, lower fan shroud and air cleaner assembly. Disassemble the air cleaner attachment, reattach the surge tank inlet hose clamp and loosen the radiator bolts. Install a new radiator and connect and reconnect.

OEM 2006 GMC Sierra 3500 Radiator

Cooling Radiator

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11 Radiators found

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2006 GMC Sierra 3500 Radiator Part Number: 20935856
$494.57 MSRP: $742.60
You Save: $248.03 (34%)
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 10387446, 15841573, 25833292
- Item Weight: 16.20 Pounds
- Item Dimensions: 47.4 x 25.2 x 7.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 20935856
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 GMC Sierra 3500 Submodels:
- SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS
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2006 GMC Sierra 3500 Radiator Part Number: 15914079
$422.83 MSRP: $632.03
You Save: $209.20 (34%)
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15102152
- Item Weight: 28.90 Pounds
- Item Dimensions: 47.1 x 35.3 x 8.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15914079
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 GMC Sierra 3500 Submodels:
- SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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2006 GMC Sierra 3500 Radiator Part Number: 15841574
$314.07 MSRP: $469.47
You Save: $155.40 (34%)
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Product Specifications
- Other Name: Radiator, Radiator
- Replaces: 15252624, 15193114
- Item Weight: 15.30 Pounds
- Item Dimensions: 47.7 x 7.6 x 25.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15841574
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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2006 GMC Sierra 3500 Radiator Part Number: 22840115
$293.04 MSRP: $438.04
You Save: $145.00 (34%)
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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.
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Fits the following 2006 GMC Sierra 3500 Submodels:
- SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS
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2006 GMC Sierra 3500 Radiator Part Number: 22840116
$317.71 MSRP: $450.27
You Save: $132.56 (30%)
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15252625, 52473443, 15192412, 15193107, 15841570, 25811504, 22840118, 52486594, 52487603
- Item Weight: 24.50 Pounds
- Item Dimensions: 48.5 x 26.0 x 10.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 22840116
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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2006 GMC Sierra 3500 Radiator Part Number: 15841575
$266.75 MSRP: $398.74
You Save: $131.99 (34%)
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15193109, 52473445, 15193115, 52486596
- Item Weight: 15.30 Pounds
- Item Dimensions: 7.3 x 48.8 x 26.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15841575
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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2006 GMC Sierra 3500 Radiator Part Number: 15122835
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15914080
- Item Weight: 25.50 Pounds
- Item Dimensions: 48.0 x 8.6 x 35.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15122835
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 GMC Sierra 3500 Submodels:
- SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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2006 GMC Sierra 3500 Radiator Part Number: 15077163
Product Specifications
- Replaced by: 19117219
- Item Weight: 5.80 Pounds
- Item Dimensions: 25.9 x 21.4 x 7.5 inches
- Condition: New
- SKU: 15077163
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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2006 GMC Sierra 3500 Radiator Part Number: 89019167
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15193105, 89018443
- Item Weight: 24.60 Pounds
- Item Dimensions: 49.5 x 8.7 x 35.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89019167
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
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2006 GMC Sierra 3500 Radiator Part Number: 89019168
$389.74 MSRP: $582.57
You Save: $192.83 (34%)
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 15193106, 89018444, 89018320
- Item Weight: 21.80 Pounds
- Item Dimensions: 8.2 x 49.4 x 35.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89019168
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
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2006 GMC Sierra 3500 Radiator Part Number: 89019156
$365.36 MSRP: $546.14
You Save: $180.78 (34%)
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 89018442, 15193104, 15913004, 89018321
- Item Weight: 22.60 Pounds
- Item Dimensions: 47.6 x 8.7 x 35.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89019156
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS

2006 GMC Sierra 3500 Radiator

With a comprehensive array of OEM 2006 GMC Sierra 3500 Radiator, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2006 GMC Sierra 3500 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.

2006 GMC Sierra 3500 Radiator Parts and Q&A

Q: How to replace the radiator for the 8.1L engine on 2006 GMC Sierra 3500?
A: The radiator of the 8.1L engine should be replaced by removing radiator hoses, lower fan shroud and air cleaner assembly. Disassemble the air cleaner attachment, reattach the surge tank inlet hose clamp and loosen the radiator bolts. Install a new radiator and connect and reconnect.