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Genuine OEM GM Diesel Exhaust Fluid Pumps

55515945 - : Diesel Fuel Separator for GM Image

Diesel Fuel Separator

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$78.95
MSRP $131.64
Save $52.69
40% Off
86534432 - : Diesel Particulate Filter for GM Image

Diesel Particulate Filter

Silverado, Sierra 3500 HD. Regular cab chassis. 170.8.
$1,709.68
19207430 - : Power Steering Fluid Reservoir for GM Image

Power Steering Fluid Reservoir

Terraza, Uplander. Hydraulic power steering, 3.5 & 3.9L. Relay. Malibu. 3.5l. Vue. 3.5l. Hydraulic power steering, 3.5L. Montana SV6....
$89.99
MSRP $131.62
Save $41.63
31.6% Off
55506798 - : Diesel Fuel Separator for GM Image

Diesel Fuel Separator

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$78.39
MSRP $130.70
Save $52.31
40% Off
86777041 - : Diesel Particulate Filter for GM Image

Diesel Particulate Filter

Silverado, Sierra 3500 HD. Regular cab chassis. 170.8.
$1,030.32
86534437 - : Diesel Particulate Filter for GM Image

Diesel Particulate Filter

Silverado, Sierra 2500 HD. Double cab. Long box. Silverado, Sierra 3500 HD.
$1,814.11
98357293 - : Diesel Fuel Separator for GM Image

Diesel Fuel Separator

GM Genuine Parts Fuel Water Separator Filters are designed, engineered, and tested to rigorous standards, and are backed by General...
$190.36
MSRP $322.78
Save $132.42
41% Off
87858138 - : Diesel Particulate Filter for GM Image

Diesel Particulate Filter

Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, regular cab.
$755.97
Pickup only
86534424 - : Diesel Particulate Filter for GM Image
Pickup only

Diesel Particulate Filter

Silverado, Sierra 2500 HD. Short box. Silverado, Sierra 3500 HD. 6.6L diesel, crew cab, 6.9 ft box.
$1,270.54
55493479 - : Diesel Fuel Separator for GM Image

Diesel Fuel Separator

Canyon, Colorado. 2.8l diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$72.68
MSRP $121.18
Save $48.50
40% Off
24277498 - : Automatic Transmission Torque Converter Housing with Fluid Pump for GM Image

Automatic Transmission Torque Converter Housing with Fluid Pump

This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$1,119.77
MSRP $1,709.02
Save $589.25
34.5% Off
24219540 - : Automatic Transmission 17.9805 mm Fluid Pump Rotor Kit for GM Image

Automatic Transmission 17.9805 mm Fluid Pump Rotor Kit

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$55.78
MSRP $81.58
Save $25.80
31.6% 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.