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Genuine OEM GM Diesel Exhaust Fluid Pumps

19180516 - : Manual Transmission Fluid Pump Check Ball Spring for GM Image

Manual Transmission Fluid Pump Check Ball Spring

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.90
MSRP $5.44
Save $1.54
28.3% Off
24274125 - : Automatic Transmission Fluid Pump Pressure Plate O-Ring for GM Image

Automatic Transmission Fluid Pump Pressure Plate O-Ring

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.45
MSRP $6.19
Save $1.74
28.1% Off
24259160 - : Automatic Transmission Fluid Pump Drive Shaft Bushing for GM Image

Automatic Transmission Fluid Pump Drive Shaft Bushing

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.16
MSRP $7.20
Save $2.04
28.3% Off
24236486 - : Automatic Transmission Fluid Pump Cover with Seal for GM Image

Automatic Transmission Fluid Pump Cover with Seal

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$409.77
MSRP $614.70
Save $204.93
33.3% Off
8642581 - : Automatic Transmission Fluid Pump Cover Screen Seal for GM Image

Automatic Transmission Fluid Pump Cover Screen Seal

GM 8642581
These are Sold Individually. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$31.10
MSRP $43.40
Save $12.30
28.3% Off
24276540 - : Automatic Transmission Fluid Pump Shaft Thrust Washer for GM Image

Automatic Transmission Fluid Pump Shaft Thrust Washer

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.54
MSRP $7.72
Save $2.18
28.2% Off
24236488 - : Automatic Transmission Fluid Pump Cover with Seal for GM Image

Automatic Transmission Fluid Pump Cover with Seal

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$505.77
MSRP $758.72
Save $252.95
33.3% Off
84861731 - : Emission Reduction Fluid Supply Pump Module Kit for GM Image

Emission Reduction Fluid Supply Pump Module Kit

Manufactured to GM OE specification for fit, form, and function
$779.90
MSRP $1,356.94
Save $577.04
42.5% Off
84541602 - : Emission Reduction Fluid Supply Pump Module Kit for GM Image

Emission Reduction Fluid Supply Pump Module Kit

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$651.03
MSRP $1,132.72
Save $481.69
42.5% Off
15879116 - : Power Brake Booster Pump Fluid Accumulator Seal for GM Image

Power Brake Booster Pump Fluid Accumulator Seal

With ev. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.79
MSRP $8.08
Save $2.29
28.3% Off
24291694 - : Automatic Transmission Auxiliary Fluid Pump Outlet Pipe for GM Image

Automatic Transmission Auxiliary Fluid Pump Outlet Pipe

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$11.17
MSRP $15.56
Save $4.39
28.2% Off
24224131 - : Automatic Transmission 17.961 mm Fluid Pump Slide for GM Image

Automatic Transmission 17.961 mm Fluid Pump Slide

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.33
MSRP $10.22
Save $2.89
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.