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Genuine OEM GM Diesel Exhaust Fluid Pumps

24274971 - : Automatic Transmission Fluid Pan Magnet for GM Image

Automatic Transmission Fluid Pan Magnet

6.6L diesel. Without hybrid. 8-speed trans. 10 speed. This GM Genuine part is designed, engineered and tested to rigorous standards, and...
$4.31
MSRP $6.00
Save $1.69
28.2% Off
84254224 - : Washer Fluid Reservoir Mounting Grommet for GM Image

Washer Fluid Reservoir Mounting Grommet

Helps insulate and protect components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$3.56
MSRP $5.66
Save $2.10
37.1% Off
84397525 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

With tow package. 3.6L, 2018-19. Designed to help keep your automatic transmission fluid cool This GM Genuine Part is designed,...
$164.04
MSRP $231.79
Save $67.75
29.2% Off
22747163 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

Designed to help keep your automatic transmission fluid cool. This GM Genuine Part is designed, engineered, and tested to rigorous...
$293.38
MSRP $418.10
Save $124.72
29.8% Off
29544375 - : Automatic Transmission Fluid Pan Gasket for GM Image

Automatic Transmission Fluid Pan Gasket

Tahoe, Yukon, Escalade. Silverado, sierra hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$53.83
MSRP $78.74
Save $24.91
31.6% Off
84173163 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

6.6L diesel, 2015-16. Designed to help keep your automatic transmission fluid cool This GM Genuine Part is designed, engineered, and...
$257.17
MSRP $372.46
Save $115.29
31% Off
84337709 - : Emission Reduction Fluid Tank Protector for GM Image

Emission Reduction Fluid Tank Protector

1.6L, reduction tank & components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$61.94
MSRP $103.28
Save $41.34
40% Off
84208511 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

3.6L. Blazer. XT6. 2.0L, with heavy duty cooling. This part requires programming and/or special setup procedures GM Service Information...
$133.18
MSRP $186.61
Save $53.43
28.6% Off
8678599 - : Automatic Transmission Fluid Filter Seal for GM Image

Automatic Transmission Fluid Filter Seal

GM 8678599
4.6L. 4.0L, 4t80-e. 3.5L, 4t80-e. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$5.69
MSRP $7.93
Save $2.24
28.2% Off
84880436 - : Emission Reduction Fluid Control Module for GM Image

Emission Reduction Fluid Control Module

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$116.05
MSRP $195.12
Save $79.07
40.5% Off
95353114 - : Transmission Fluid Cooler Outlet Pipe for GM Image

Transmission Fluid Cooler Outlet Pipe

With ev. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$62.00
23154577 - : Automatic Transmission Fluid Pressure Sensor for GM Image

Automatic Transmission Fluid Pressure Sensor

Coupe, with v, differential lock control. This part requires programming and/or special setup procedures GM Service Information...
$127.59
MSRP $188.18
Save $60.59
32.2% Off

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The Purpose of a Diesel Exhaust Fluid Pump for your Chevy or GMC

A diesel exhaust fluid (DEF) pump serves a critical role in the selective catalytic reduction (SCR) system of modern diesel vehicles, including Chevy and GMC trucks.

This Diesel pump has the primary purpose of delivering fluid to the SCR system to help reduce harmful emissions, particularly nitrogen oxides (NOx). Diesel exhaust fluid, typically consists of deionized water, is injected into the exhaust stream to convert NOx into harmless nitrogen gas and water vapor, reducing the environmental impact of diesel engines.

DEF pumps are particularly important for Chevy and GMC trucks because these vehicles often have powerful diesel engines used for towing, hauling, and heavy-duty work. Proper DEF injection is crucial to comply with emissions regulations and maintain efficient engine performance.

Functionality and Signs of a Failing Chevy or GMC DEF Pump

The DEF pump draws DEF fluid from the tank and pressurizes it for injection into the exhaust. Signs of a failing DEF pump in a Chevy or GMC vehicle may include:

  • Illuminated Warning Light: An illuminated DEF warning light on the dashboard is a clear indication of a potential DEF pump issue.
  • Reduced Engine Performance: A decrease in engine power or acceleration may result from improper DEF injection.
  • Exhaust Smoke and Emissions: Excessive smoke or emissions may suggest a problem with the DEF system.
  • Error Codes: Diagnostic trouble codes related to the DEF system may appear in the vehicle's computer system.

Save Money on Genuine Chevy Diesel Pump Parts

When it comes to critical components like DEF pumps, using authentic GM parts provides peace of mind, reliability, and confidence in your vehicle's environmental responsibility and performance or Chevy and GMC truck owners, finding affordable replacement parts, such as DEF pumps, is crucial. You can save up to 35% off retail prices by shopping online for genuine GM diesel parts. If you have any questions, feel free to reach us on our contact page.