How to replace the upper fan shroud (w/RPO M74) on GMC Sierra 3500?

The procedure to change the upper Fan Shroud with rpo m74 starts by disconnecting the air cleaner outlet duct from the Throttle Body and mass airflow sensor through clamp loosening. The a/c line retainer must be detached from near the Fan Shroud followed by engine harness unclipping from the powertrain control module (PCM) cover. You should remove both the transmission control module (TCM) cover bolts before taking out the tcm cover from the Fan Shroud. Unfasten the tcm electrical connector bolts before disconnecting tcm electrical connectors and finally remove tcm and its cover. Use a removal tool to disconnect both upper Fan Shroud retainers and bolts before finally taking out the upper Fan Shroud. Place the upper Fan Shroud correctly before securing its bolts at 9 nm (80 inch lbs.). Reinstall the tcm after connecting its electrical connectors and attaching the cover while tightening all tcm electrical connector bolts to 8 nm (71 inch lbs.). The tcm cover should be connected to the Fan Shroud afterward securing it through bolts of 9 nm (80 inch lbs.). Put back the engine harness clip to the pcm cover and attach the a/c line retainer to the Fan Shroud while also installing the air cleaner outlet duct. When finished secure the air cleaner outlet duct clamp at the Throttle Body and mass airflow sensor with 4 nm (35 inch lbs.).

OEM GMC Sierra 3500 Fan Shroud

Radiator Fan Shroud

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11 Fan Shrouds found

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GMC Sierra 3500 Fan Shroud
Part Number: 20801144
$101.80 MSRP: $151.49
You Save: $49.69 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shroud, Radiator Fan Shroud; Upper Shroud
- Position: Upper
- Replaces: 15860926
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 GMC Sierra 3500 | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Fan Shroud, Lower
Part Number: 15860927
$98.59 MSRP: $146.72
You Save: $48.13 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shroud-Engine Coolant Fan Lower; Lower Shroud; Shroud, Radiator Fan Shroud
- Position: Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 GMC Sierra 3500 | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Rear Shroud
Part Number: 15780450
$141.28 MSRP: $211.18
You Save: $69.90 (34%)
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Product Specifications
- Other Name: Shroud, Radiator Fan Shroud
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 GMC Sierra 3500 | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Lower Shroud
Part Number: 25835451
$86.68 MSRP: $135.76
You Save: $49.08 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Shroud-Engine Coolant Fan Lower; Fan Shroud; Shroud, Radiator Fan Shroud
- Position: Lower
- Replaces: 15267486, 15067754, 15765441
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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GMC Sierra 3500 Upper Shroud
Part Number: 15088330
$79.87 MSRP: $125.10
You Save: $45.23 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shroud, Radiator Fan Shroud; Fan Shroud
- Position: Upper
- Replaces: 15740070
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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GMC Sierra 3500 Lower Shroud
Part Number: 15196054
$158.42 MSRP: $249.27
You Save: $90.85 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Shroud-Engine Coolant Fan Lower; Fan Shroud; Shroud, Radiator Fan Shroud
- Position: Lower
- Replaces: 15076210, 15020831
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2005 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Upper Shroud
Part Number: 15088324
$136.50 MSRP: $214.79
You Save: $78.29 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shroud, Radiator Fan Shroud; Fan Shroud
- Position: Upper
- Replaces: 15020830
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2005 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
View related parts
GMC Sierra 3500 Lower Shroud
Part Number: 15196053
Product Specifications
- Other Name: Shroud-Engine Coolant Fan Lower; Fan Shroud; Shroud, Radiator Fan Shroud
- Position: Lower
- Replaces: 15023965
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Upper Shroud
Part Number: 15808231
$89.41 MSRP: $140.05
You Save: $50.64 (37%)
Product Specifications
- Other Name: Shroud, Radiator Fan Shroud; Fan Shroud
- Position: Upper
- Replaces: 15023962, 15088325
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
View related parts
GMC Sierra 3500 Upper Shroud
Part Number: 15088328
$77.77 MSRP: $121.82
You Save: $44.05 (37%)
Product Specifications
- Other Name: Shroud, Radiator Fan Shroud; Shroud; Fan Shroud
- Position: Upper
- Replaces: 15707521
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
View related parts
GMC Sierra 3500 Fan Shroud, Lower
Part Number: 15267487
$4.59 MSRP: $7.19
You Save: $2.60 (37%)
Product Specifications
- Other Name: Shroud-Engine Coolant Fan Lower; Lower Shroud; Shroud; Shroud, Radiator Fan Shroud
- Position: Lower
- Replaces: 15164394, 15067753, 15707563, 15765440
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS

GMC Sierra 3500 Fan Shroud

Our website offers an extensive catalog of genuine GMC Sierra 3500 Fan Shroud at unbeatable prices. Every OEM GMC Sierra 3500 Fan Shroud comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

GMC Sierra 3500 Fan Shroud Parts Questions & Experts Answers

Upper Shroud
15088330
Q: How to replace the upper fan shroud (w/RPO M74) on GMC Sierra 3500?
A: The procedure to change the upper Fan Shroud with rpo m74 starts by disconnecting the air cleaner outlet duct from the Throttle Body and mass airflow sensor through clamp loosening. The a/c line retainer must be detached from near the Fan Shroud followed by engine harness unclipping from the powertrain control module (PCM) cover. You should remove both the transmission control module (TCM) cover bolts before taking out the tcm cover from the Fan Shroud. Unfasten the tcm electrical connector bolts before disconnecting tcm electrical connectors and finally remove tcm and its cover. Use a removal tool to disconnect both upper Fan Shroud retainers and bolts before finally taking out the upper Fan Shroud. Place the upper Fan Shroud correctly before securing its bolts at 9 nm (80 inch lbs.). Reinstall the tcm after connecting its electrical connectors and attaching the cover while tightening all tcm electrical connector bolts to 8 nm (71 inch lbs.). The tcm cover should be connected to the Fan Shroud afterward securing it through bolts of 9 nm (80 inch lbs.). Put back the engine harness clip to the pcm cover and attach the a/c line retainer to the Fan Shroud while also installing the air cleaner outlet duct. When finished secure the air cleaner outlet duct clamp at the Throttle Body and mass airflow sensor with 4 nm (35 inch lbs.).

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