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Genuine OEM GM Diesel Exhaust Fluid Pumps

12735882 - : Fuel Pump for GM Image

Fuel Pump

Direct Injection Fuel Pump. Silverado, Sierra 2500 HD. Gas. On engine. Silverado, Sierra 3500 HD. Express 2500. 6.6l. Engine (high...
$195.08
MSRP $330.77
Save $135.69
41% Off
25115981 - : Fuel Pump for GM Image

Fuel Pump

$69.55
12691088 - : Fuel Pump for GM Image

Fuel Pump

Helps provide a steady, reliable supply of fuel for your vehicle's engine This GM Genuine Part is designed, engineered, and tested to...
$225.24
MSRP $381.91
Save $156.67
41% Off
Fits Most Vehicles
13547410 - : Water Pump for GM Image

Water Pump

Awd. Fwd. Blazer EV. LYRIQ. Heater cool. Rear wheel drive, 2023-24. Rwd.
$131.08
MSRP $220.40
Save $89.32
40.5% Off
85566682 - : Fuel Pump for GM Image

Fuel Pump

Silverado, Sierra 3500 HD. Diesel. In fuel tank. Single tank. Regular cab chassis. Crew cab chassis.
$137.17
MSRP $230.64
Save $93.47
40.5% Off
88926194 - : Pump Kit for GM Image

Pump Kit

$158.42
MSRP $268.62
Save $110.20
41% Off
12494248 - : Pump Kit for GM Image

Pump Kit

$127.75
MSRP $214.80
Save $87.05
40.5% Off
97839530 - : F Pump for GM Image

F Pump

$202.82
MSRP $286.58
Save $83.76
29.2% Off
19339919 - : Pump Kit for GM Image

Pump Kit

$99.79
MSRP $167.78
Save $67.99
40.5% Off
98330421 - : F Pump for GM Image

F Pump

$226.99
MSRP $384.90
Save $157.91
41% Off
12493999 - : Pump Kit for GM Image

Pump Kit

$52.00
MSRP $86.70
Save $34.70
40% Off
88926294 - : Pump Kit for GM Image

Pump Kit

$75.38
MSRP $125.68
Save $50.30
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.