GMC 42BMRT Engine Cooling Fan

( Part Type: Fan Engine ), ( Manufacturer Part Number: 42BMRT ), ( Compatible Make/model: Gmc Sierra 2500 ), ( Compatible Years: 1999 2000 2001 2002 2003 2004 99 00 01 02 03 04 ), ( Fitment Info: Engine Cooling Fan Universal Electric Cooling Fan, Pusher F. ), ( Important Info: Universal Fit ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review GMC Replacement Engine Cooling Fan fits SIERRA 2500 1999–2004

The 42BMRT engine cooling fan for select GMC Sierra 1500, 2500, and 3500 models from 1999 to 2004 is an essential component of your vehicle's cooling system. This fan ensures optimal engine temperature maintenance, which is crucial for prolonging your engine's lifespan and enhancing overall performance.

The fan measures approximately 17.3 inches in diameter and 10 inches in height, making it a perfect fit for the specified GMC Sierra models. It comes with three blades that are designed using a high-density, aerodynamically engineered material. These blades efficiently move air over the radiator, increasing the cooling capacity of your engine.

The fan motor is engineered to deliver robust and reliable performance. It features a robust design, a balanced rotor, and a high-quality ball bearing that delivers a long service life, even under the most demanding conditions. The motor is also designed to operate quietly, ensuring a comfortable driving experience.

The 42BMRT engine cooling fan is designed to seamlessly integrate with your vehicle's existing cooling system. It comes with a wiring harness that includes all necessary connectors, making installation a breeze. The fan is also compatible with factory temperature sensors, providing accurate temperature readings for optimal engine performance.

This cooling fan is manufactured to meet or exceed OEM specifications, ensuring a perfect fit and reliable operation. It is also backed by a comprehensive warranty, providing you with peace of mind and protection against any manufacturing defects.

In summary, the 42BMRT engine cooling fan is an essential upgrade for your GMC Sierra 1500, 2500, or 3500 from 1999 to 2004. Its high-performance design, quiet operation, and easy installation make it an excellent investment for any vehicle owner looking to enhance their engine's cooling capacity and prolong its lifespan.

Buying a 42BMRT engine cooling fan for a GMC Sierra 1999-2004 comes with its own set of advantages and disadvantages. Let's discuss these points in detail to help you make an informed decision.

1. Improved Cooling Efficiency: The 42BMRT engine cooling fan is designed to provide better cooling performance than the stock fan. This can help prevent overheating issues, especially during heavy towing or off-road conditions.

2. Enhanced Durability: The aftermarket fan is typically built with higher-quality materials and components, which can result in longer service life and fewer replacements.

3. Quieter Operation: The 42BMRT engine cooling fan is engineered to operate more quietly than the stock fan. This can make for a more comfortable driving experience, particularly during long trips.

4. Customizability: Aftermarket fans come in various sizes, shapes, and colors. You can choose a fan that best suits your aesthetic preferences and cooling requirements.

1. Cost: An aftermarket engine cooling fan may cost more than the stock fan. However, the added benefits and extended service life can offset the initial investment.

2. Installation Complexity: Installing an aftermarket engine cooling fan can be a more complicated process than replacing the stock fan. It may require additional tools and expertise.

3. Compatibility: Ensure that the 42BMRT engine cooling fan you select is compatible with your specific GMC Sierra 1999-2004 model. Incorrect installation can lead to issues such as poor cooling performance or damage to the engine.

In conclusion, purchasing a 42BMRT engine cooling fan for your GMC Sierra 1999-2004 comes with both advantages and disadvantages. The better cooling efficiency, enhanced durability, quieter operation, and customizability outweigh the potential drawbacks like cost, installation complexity, and compatibility concerns.

If you frequently tow heavy loads, drive off-road, or live in a hot climate, investing in a 42BMRT engine cooling fan can be a wise decision. Ensure that you select a high-quality fan from a reputable manufacturer and follow proper installation procedures to reap the benefits.

Details:

12 Month Warranty. Replacement Engine Cooling Fan fits GMC Sierra 2500 1999 - 2004 42BMRT: Brand: condition: New Notes: Universal Electric Fan, Pusher - Fit 14-Inch Fan; 13.5 Remark: UNIVERSAL FIT NOT A Direct OE Item, Detailed Applications Years: Vehicle: 1999 - 2004 GMC 2500Universal Super Duty Auxiliary. Controls not included. Add on fans used to supplement the primary engine cooling fan.

Includes mounting hardware.

part #: 42bmrt prices

• $63.99-$103.09

specifications shroudshell:

• for models: 2500, Sierra
• for makes: Gmc
• for years: 1999-2004
• part type: Fan Engine
• manufacturer part number: 42BMRT
• compatible make/model: Gmc Sierra 2500
• compatible years: 1999 2000 2001 2002 2003 2004 99 00 01 02 03 04
• fitment info: Engine Cooling Fan Universal Electric Cooling Fan, Pusher F.
• important info: Universal Fit
• manufacturer warranty: 12 Month Warranty
• attention: Read Full Description To Confirm Fitment
• cs-sku: 400

shipping shroudshell:

• cost: $0.00
• type: Fixed
• transit: 5-10 Days
• service: Economy
• class: Economy

payments shroudshell:

• wallet: Google-pay
• credit card: Mastercard
• other

offer shroudshell:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: March 27, 2026

returns shroudshell:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

general shroudshell:

• Car Truck Parts Accessories > Engine Cooling Components > Fan Shroud Assemblies
• condition: New

seller shroudshell:

• # reviews: 23497
• rating: 99.1%
• city: Upland, California

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