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Genuine OEM GM Diesel Exhaust Fluid Pumps

8654799 - : Automatic Transmission Fluid Pan Gasket for GM Image

Automatic Transmission Fluid Pan Gasket

GM 8654799
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.93
MSRP $18.30
Save $5.37
29.3% Off
84003660 - : Automatic Transmission Fluid Cooler Line for GM Image

Automatic Transmission Fluid Cooler Line

Coupe, 3.6L twin-turbo, auto trans. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$147.60
MSRP $219.54
Save $71.94
32.8% Off
84400520 - : Power Steering Fluid Reservoir Cap for GM Image

Power Steering Fluid Reservoir Cap

6.6L gas. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$31.44
MSRP $45.23
Save $13.79
30.5% Off
26046582 - : Power Steering Fluid Cooling Pipe for GM Image

Power Steering Fluid Cooling Pipe

3.4L. 2.8 & 3.1L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$49.24
MSRP $72.03
Save $22.79
31.6% Off
84581784 - : Transmission Fluid Cooler Pipe Bracket for GM Image

Transmission Fluid Cooler Pipe Bracket

2.7L turbo, awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.58
MSRP $7.78
Save $2.20
28.3% Off
92191916 - : Windshield Washer Fluid Reservoir Cap for GM Image

Windshield Washer Fluid Reservoir Cap

These are Sold Individually. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
Discontinued
84282188 - : Automatic Transmission Fluid Cooler Line for GM Image

Automatic Transmission Fluid Cooler Line

Differential Cooling. Underbody Pipe and Hose Assy.. Left. This GM Genuine part is designed, engineered and tested to rigorous...
$99.67
MSRP $147.00
Save $47.33
32.2% Off
84113566 - : Emission Reduction Fluid Tank Strap for GM Image

Emission Reduction Fluid Tank Strap

6.6L diesel, emission reduction system, 2017-19, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$7.66
MSRP $12.16
Save $4.50
37% Off
19129762 - : Transmission Fluid Cooler Line Fitting for GM Image

Transmission Fluid Cooler Line Fitting

3.6L, 2013-2015. 4.4L. Wagon, 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$21.86
MSRP $30.94
Save $9.08
29.3% Off
84023042 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

Envision. 2.5L. 2.0L. Designed to help keep your automatic transmission fluid cool This GM Genuine Part is designed, engineered, and...
$382.75
MSRP $545.47
Save $162.72
29.8% Off
84449623 - : Emission Reduction Fluid Tank Shield for GM Image

Emission Reduction Fluid Tank Shield

This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$77.69
MSRP $129.54
Save $51.85
40% Off
39008275 - : Emission Reduction Fluid Tank Insulator for GM Image

Emission Reduction Fluid Tank Insulator

1.6L, reduction tank & components, hatchback. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$7.71
MSRP $10.74
Save $3.03
28.2% 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.