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Genuine OEM GM Diesel Exhaust Fluid Pumps

22961656 - : Emission Reduction Fluid Tank Insulator for GM Image

Emission Reduction Fluid Tank Insulator

2.8L turbo diesel emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$39.95
MSRP $65.52
Save $25.57
39% Off
84133834 - : Emission Reduction Fluid Tank Protector for GM Image

Emission Reduction Fluid Tank Protector

2.8L turbo diesel emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$14.51
MSRP $23.42
Save $8.91
38% Off
40009254 - : Injector Clamp for GM Image

Injector Clamp

3.0L diesel emission reduction system.
$6.93
MSRP $11.00
Save $4.07
37% Off
40009451 - : Reductant Control Module for GM Image

Reductant Control Module

Emission reduction level. Silverado, Sierra 2500 HD. 6.6L diesel, emission reduction system. Silverado, Sierra 3500 HD. Suburban. 3.0l...
$110.24
MSRP $185.36
Save $75.12
40.5% Off
84639772 - : Emissions Reduction Fluid Tank Reservoir Wiring Harness for GM Image

Emissions Reduction Fluid Tank Reservoir Wiring Harness

2.8L turbo diesel emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Backordered
85693476 - : Fluid Pipe for GM Image

Fluid Pipe

3.0L diesel emission reduction system.
$129.81
MSRP $218.26
Save $88.45
40.5% Off
85693477 - : Fluid Pipe for GM Image

Fluid Pipe

3.0L diesel emission reduction system.
$132.08
MSRP $222.09
Save $90.01
40.5% Off
87812318 - : Fluid Pipe for GM Image

Fluid Pipe

3.0L diesel, emission reduction system, crew cab, 5.8 ft box. 3.0L diesel emission reduction system. double cab.
$74.08
MSRP $123.52
Save $49.44
40% Off
19286292 - : Fluid,Diesel Exhaust Urea,  2.5 Gal for GM Image

Fluid,Diesel Exhaust Urea, 2.5 Gal

Meets GM Original Equipment specifications to be approved for use in GM vehicles as well as in non-GM diesel vehicles that have an SCR...
Not For Sale
86791264 - : Filler Pipe for GM Image

Filler Pipe

3.0L diesel emission reduction system. Filler pipe.
$92.11
MSRP $153.58
Save $61.47
40% Off
86791263 - : Filler Pipe for GM Image

Filler Pipe

3.0L diesel emission reduction system. Filler pipe.
$55.27
MSRP $92.16
Save $36.89
40% Off
40009350 - : Temp Sensor for GM Image

Temp Sensor

Silverado, sierra. Position 1. Yukon. 3.0l diesel. 3.0L diesel 2025-26 sensors. lower.
$78.58
MSRP $114.90
Save $36.32
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.