Good Maintenance Practices:
- Inspect belts if your pump is belt-driven.
- Check all vacuum hoses for leaks.
OE
Pack of 1
OE
Pack of 1
ACDelco GM Original Equipment Vacuum Pump
GM Part #12639840
ACDelco Part #12639840
About this product
ACDelco GM Original Equipment Vacuum Pumps provide a source of vacuum power for emission controls, and are GM-recommended replacements for your vehicle's original components. These vacuum pumps may be electrically or mechanically operated, depending on vehicle application. These original equipment vacuum pumps have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
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- Helps prevent the effects of engine blow-by
- Assists in minimizing premature oil contamination
- Operates blower air direction controls for A/C and heat
- GM-recommended replacement part for your GM vehicle's original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Mounting Hardware IncludedYes
Gasket Or Seal IncludedNo
Terminal Quantity0
ClassificationOE
Pulley IncludedNo
Mounting Hardware IncludedYes
Terminal Quantity0
Pulley IncludedNo
Gasket Or Seal IncludedNo
ClassificationOE
24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)
Please visit our warranty page on Gmparts.com for full warranty details.
Good Maintenance Practices:
- Inspect belts if your pump is belt-driven.
- Check all vacuum hoses for leaks.
Frequently Asked Questions
Yes. If your climate experiences temperatures below freezing, a vacuum pump can freeze if moisture enters the pump.