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Genuine OEM GM Diesel Exhaust Fluid Pumps

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20793005 - : Automatic Transmission Fluid Cooler Outlet Line for GM Image

Automatic Transmission Fluid Cooler Outlet Line

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$56.88
MSRP $83.19
Save $26.31
31.6% Off
24270002 - : Automatic Transmission Fluid Temperature Sensor Clip for GM Image

Automatic Transmission Fluid Temperature Sensor Clip

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.78
MSRP $5.25
Save $1.47
28% Off
84164423 - : Emission Reduction Fluid Tank Opening Filler for GM Image

Emission Reduction Fluid Tank Opening Filler

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$87.92
MSRP $146.60
Save $58.68
40% Off
15831638 - : Automatic Transmission Fluid Cooler Pipe Clip for GM Image

Automatic Transmission Fluid Cooler Pipe Clip

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.31
MSRP $6.00
Save $1.69
28.2% Off
84254223 - : Washer Fluid Reservoir Filler Pipe Seal for GM Image

Washer Fluid Reservoir Filler Pipe Seal

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.51
MSRP $4.89
Save $1.38
28.2% Off
84835282 - : Emission Reduction Fluid Tank Support Bracket for GM Image

Emission Reduction Fluid Tank Support Bracket

This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$59.32
MSRP $98.90
Save $39.58
40% Off
19331044 - : Synthetic Transfer Case Fluid - 1 qt for GM Image

Synthetic Transfer Case Fluid - 1 qt

Excellent oxidative stability, low temperature fluidity, excellent thermal properties, high shear and friction stability, and...
$48.38
MSRP $79.35
Save $30.97
39% Off
15176225 - : Automatic Transmission Fluid Cooler Pipe Clip for GM Image

Automatic Transmission Fluid Cooler Pipe Clip

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.48
MSRP $13.22
Save $3.74
28.3% Off
15284471 - : Automatic Transmission Fluid Filler Upper Tube for GM Image

Automatic Transmission Fluid Filler Upper Tube

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$48.50
MSRP $69.76
Save $21.26
30.5% Off
25191111 - : Automatic Transmission Fluid Filler Tube Plug for GM Image

Automatic Transmission Fluid Filler Tube Plug

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$40.96
MSRP $58.93
Save $17.97
30.5% Off
11611524 - : Automatic Transmission Fluid Cooler Pipe Clip for GM Image

Automatic Transmission Fluid Cooler Pipe Clip

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.01
MSRP $5.58
Save $1.57
28.1% Off
25830126 - : Automatic Transmission Fluid Cooler Pipe Clip for GM Image

Automatic Transmission Fluid Cooler Pipe Clip

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.19
MSRP $10.03
Save $2.84
28.3% 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.