We Specialize in Finding Those Hard to Find and Backordered GM Parts! Just Place Your Order and Let Our Professional Parts Team go to Work For You!

Genuine OEM GM Diesel Exhaust Fluid Pumps

12679304 - : Exhaust Manifold for GM Image

Exhaust Manifold

$236.82
MSRP $352.25
Save $115.43
32.8% Off
22997477 - : Gasket-Exh Sys Frt for GM Image

Gasket-Exh Sys Frt

Helps provide a tight seal for various components of your vehicle This GM Genuine Part is designed, engineered, and tested to rigorous...
$1.39
MSRP $1.85
Save $0.46
24.9% Off
19257423 - : Exhaust Muffler for GM Image

Exhaust Muffler

2nd Design. Has the necessary components to service your vehicle's exhaust muffler Helps diminish the amount of noise emitted by your...
Discontinued
11589264 - : Exhaust Stud for GM Image

Exhaust Stud

These are Sold Individually. 5.7L. 6.2L supercharged.
$40.40
MSRP $53.48
Save $13.08
24.5% Off
25207383 - : Exhaust Valve for GM Image

Exhaust Valve

Trailblazer. Encore GX.
$14.79
MSRP $20.92
Save $6.13
29.3% Off
55501298 - : Exhaust Camshaft for GM Image

Exhaust Camshaft

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$110.48
MSRP $162.90
Save $52.42
32.2% Off
12713621 - : Exhaust Manifold for GM Image

Exhaust Manifold

6.2L supercharged. Left. With supercharger. Escalade. 6.2l.
$253.36
MSRP $376.77
Save $123.41
32.8% Off
12672961 - : Exhaust Manifold for GM Image

Exhaust Manifold

Equinox, Terrain. 2.4l. Captiva Sport. 2.4l. Helps direct exhaust away from your vehicle's engine combustion chamber This GM Genuine...
$294.07
MSRP $441.14
Save $147.07
33.3% Off
25839157 - : Exhaust Pipe for GM Image

Exhaust Pipe

4.6L. Helps guide exhaust to the exterior of your vehicle This GM Genuine Part is designed, engineered, and tested to rigorous...
$62.89
12616286 - : Exhaust Manifold for GM Image

Exhaust Manifold

Exc.Calif. Exc.LEV Spec. Express, savana. 6.0l. Right. Ulev spec. Federal. Exc.Natural Gas Conversion. EEC 00 Emissions. Helps direct...
$242.53
MSRP $360.73
Save $118.20
32.8% Off
12670220 - : Exhaust Manifold for GM Image

Exhaust Manifold

Helps direct exhaust away from your vehicle's engine combustion chamber This GM Genuine Part is designed, engineered, and tested to...
$361.49
MSRP $542.27
Save $180.78
33.3% Off
11561404 - : Stud,Ctltc Conv Otlt Pipe Flg for GM Image

Stud,Ctltc Conv Otlt Pipe Flg

2.5L. 1.3L turbo, front section, awd. 1.2L turbo, front section. 1.3L turbo, front section, fwd. 2.0L. This GM Genuine Part is designed,...
$11.56
MSRP $15.30
Save $3.74
24.4% Off

No results found for "Diesel Exhaust Fluid Pump, DEF Pump, Diesel Exhaust Fluid". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


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.