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Genuine OEM GM Diesel Exhaust Fluid Pumps

23385931 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

CTS-v. 6.2L supercharged, 2016-19. 6.2L. with supercharger. Designed to help keep your automatic transmission fluid cool This GM Genuine...
$308.84
MSRP $440.14
Save $131.30
29.8% Off
24239049 - : Automatic Transmission Fluid Pan Magnet for GM Image

Automatic Transmission Fluid Pan Magnet

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.92
MSRP $11.03
Save $3.11
28.2% Off
9114703 - : Grommet,Wswa Solv Cntnr for GM Image

Grommet,Wswa Solv Cntnr

GM 9114703
Sedan,. 32mm. Coupe,. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.22
MSRP $9.86
Save $3.64
36.9% Off
22895233 - : Brake Fluid Level Indicator Switch for GM Image

Brake Fluid Level Indicator Switch

Impala. 2.4 & 3.6L. 2.5L. 3.6L twin-turbo. Exc.Heavy Duty Brakes. This GM Genuine Part is designed, engineered, and tested to rigorous...
$17.87
MSRP $28.85
Save $10.98
38.1% Off
22960693 - : Automatic Transmission Auxiliary Fluid Cooler for GM Image

Automatic Transmission Auxiliary Fluid Cooler

ATS. 3.6l. With v-series. Coupe, 3.6L twin-turbo. Sedan, 3.6L twin-turbo. 6.2L. without supercharger. Designed to help keep your...
$177.88
MSRP $251.34
Save $73.46
29.2% Off
24262058 - : Automatic Transmission Fluid Pan Gasket for GM Image

Automatic Transmission Fluid Pan Gasket

CT6. 4-speed. With hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$49.59
MSRP $72.53
Save $22.94
31.6% Off
24206182 - : Automatic Transmission Fluid Pan Gasket for GM Image

Automatic Transmission Fluid Pan Gasket

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$45.37
MSRP $65.27
Save $19.90
30.5% Off
13227316 - : Windshield Washer Fluid Reservoir Hose for GM Image

Windshield Washer Fluid Reservoir Hose

Lower. Supplies washer fluid to windshield to wash away dirt Made of a durable corrosion-resistant material for durability This GM...
$8.55
MSRP $11.91
Save $3.36
28.2% Off
24209512 - : Automatic Transmission Fluid Pan Gasket for GM Image

Automatic Transmission Fluid Pan Gasket

Lucerne. 4t80e. DTS. Seville. All models. Mh1 trans. 4.0L, 4t80-e. Aurora. 4.0l. 3.5L, 4t80-e. Bonneville, LeSabre. 4.6l. This GM...
$52.39
MSRP $76.63
Save $24.24
31.6% Off
24225800 - : Automatic Transmission Fluid Pan Gasket for GM Image

Automatic Transmission Fluid Pan Gasket

ATS. Canyon, Colorado. STS. 3.6 & 4.6L. SRX. 6 speed. Caprice PPV. 3.6l. Coupe, 6 speed. Sedan, 6 speed. 3.0, 3.6L. Wagon,. This GM...
$38.35
MSRP $55.17
Save $16.82
30.5% Off
84211799 - : Automatic Transmission Fluid Cooler Line for GM Image

Automatic Transmission Fluid Cooler Line

Differential Cooling. Underbody Pipe and Hose Assy. to Rear Differential. This GM Genuine part is designed, engineered and tested to...
$120.52
MSRP $177.71
Save $57.19
32.2% Off
15907878 - : Hose-P/S Fluid Rsvr Inl for GM Image

Hose-P/S Fluid Rsvr Inl

Without supercharger. Without zr1. Corvette. Supplies fluid to steering components from the power steering pump and reservoir This GM...
$32.91
MSRP $47.35
Save $14.44
30.5% 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.