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Genuine OEM GM Diesel Exhaust Fluid Pumps

12663521 - : Exhaust Manifold for GM Image

Exhaust Manifold

2.5L. Helps direct exhaust away from your vehicle's engine combustion chamber This GM Genuine Part is designed, engineered, and tested...
$153.74
MSRP $228.68
Save $74.94
32.8% Off
15902776 - : Exhaust Muffler for GM Image

Exhaust Muffler

Terraza, Uplander. Without special suspension. All. 121 wheelbase. Without awd. Soft ride or sport susp. 3.9l. Montana SV6. Ride &...
$242.01
MSRP $340.60
Save $98.59
28.9% Off
12728156 - : Exhaust Duct for GM Image

Exhaust Duct

6.6L diesel, turbo exhaust inlet. 2017-19, turbo & exhaust components.
$114.72
MSRP $160.75
Save $46.03
28.6% Off
12556053 - : Exhaust Manifold for GM Image

Exhaust Manifold

Air Injection. Calif. Federal. S-series, Bravada. 4.3l. Right. With a.i.r.
$276.13
Fits Most Vehicles
12672285 - : Exhaust Manifold for GM Image

Exhaust Manifold

2.4L. Helps direct exhaust away from your vehicle's engine combustion chamber This GM Genuine Part is designed, engineered, and tested...
$279.25
MSRP $415.36
Save $136.11
32.8% Off
19435238 - : Exhaust Valve for GM Image

Exhaust Valve

$25.13
MSRP $36.16
Save $11.03
30.5% Off
90570541 - : Exhaust Manifold for GM Image

Exhaust Manifold

Rear. Vue. 3.0l. Front.
$204.07
Fits Most Vehicles
19420115 - : Exhaust Pipe for GM Image

Exhaust Pipe

ATS. 2.5l. Federal. Sedan, 2.5L, without pzev.
$1,795.16
MSRP $2,625.64
Save $830.48
31.6% Off
23165043 - : Exhaust Muffler for GM Image

Exhaust Muffler

Traverse. Single exhaust. Without dual exhaust. 2009-17, without denali. 2009-17, with limited. Has the necessary components to service...
Backordered
84075679 - : Exhaust Pipe for GM Image

Exhaust Pipe

Without eassist. Regal. 2.0l. 2.0L turbo, 2014-2017, with awd.
$1,958.29
MSRP $2,941.57
Save $983.28
33.4% Off
84657795 - : Exhaust Muffler for GM Image

Exhaust Muffler

Silverado, sierra. 5.3l. Silverado, sierra. 4.3l. 4.3L, crew cab, 6.6 ft box. 5.3 & 6.2L single exhaust. regular cab 6.6 ft box.
$472.10
MSRP $670.11
Save $198.01
29.5% Off
22971963 - : Gasket-Exh Sys Frt for GM Image

Gasket-Exh Sys Frt

These are Sold Individually. 2.5L, rear. 3.6L, 2015-16. 3.6L 2017-21. lower. Helps provide a tight seal for various components of your...
$47.90
MSRP $63.30
Save $15.40
24.3% 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.