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Genuine OEM GM Diesel Exhaust Fluid Pumps

93742869 - : Automatic Transmission Fluid Pan Magnet for GM Image

Automatic Transmission Fluid Pan Magnet

Auto trans. Type 1. 8-speed with 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$7.27
MSRP $10.13
Save $2.86
28.2% Off
26095244 - : Power Steering Fluid Reservoir Cap for GM Image

Power Steering Fluid Reservoir Cap

4.3, 4.8, 5.3, 6.0L. 2.8L diesel. 6.6L diesel without brake warning ind. This GM Genuine Part is designed, engineered, and tested to...
$24.69
MSRP $35.52
Save $10.83
30.5% Off
22886300 - : Transmission Fluid Auxiliary Cooler Bracket for GM Image

Transmission Fluid Auxiliary Cooler Bracket

2.0L turbo, passenger side. 2.7L turbo, rwd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$9.98
MSRP $13.90
Save $3.92
28.2% Off
12129691 - : Automatic Transmission Fluid Temperature Sensor for GM Image

Automatic Transmission Fluid Temperature Sensor

All models. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$14.94
MSRP $21.14
Save $6.20
29.3% Off
84211956 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

With heavy duty cooler. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$247.77
MSRP $350.10
Save $102.33
29.2% Off
23409058 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

5.3, 6.2L. Silverado, sierra. 5.3l (l84). Silverado, sierra. 5.3l (l82). Silverado, sierra. 6.2l. 3.0L diesel. Designed to help keep...
$153.80
MSRP $217.32
Save $63.52
29.2% Off
19316512 - : Automatic Transmission Fluid Pan Gasket for GM Image

Automatic Transmission Fluid Pan Gasket

City Express. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$11.99
MSRP $16.71
Save $4.72
28.2% Off
15788686 - : Power Steering Fluid Reservoir Hose for GM Image

Power Steering Fluid Reservoir Hose

4.3, 4.8, 5.3, 6.0L. Express, savana. Pump to reservoir. Without 6.6l diesel. This GM Genuine Part is designed, engineered, and tested...
$33.38
MSRP $54.76
Save $21.38
39% Off
19168277 - : Automatic Transmission Fluid Filter Kit for GM Image

Automatic Transmission Fluid Filter Kit

Tahoe, Yukon, Escalade. Silverado, sierra hybrid. Felt filter media helps deliver high-filtration efficiency and excellent fluid flow...
$39.10
MSRP $64.13
Save $25.03
39% Off
15254826 - : Windshield Washer Fluid Level Sensor for GM Image

Windshield Washer Fluid Level Sensor

Wagon,. Includes necessary components for installation and removal Sensor provides readings of washer fluid levels This GM Genuine Part...
$25.89
MSRP $42.46
Save $16.57
39% Off
84469559 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

CT6. 4.2l. 4.2L twin-turbo. Designed to help keep your automatic transmission fluid cool This GM Genuine Part is designed, engineered,...
$243.33
MSRP $343.83
Save $100.50
29.2% Off
84360117 - : Emission Reduction Fluid Tank Shield for GM Image

Emission Reduction Fluid Tank Shield

2017-20, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$64.92
MSRP $108.24
Save $43.32
40% 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.