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1991 GMC K1500 Pickup Base V8 7.4L Car and Truck Battery
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Your vehicle is equipped with 2 types of batteries: Auxiliary (for start/stop and other systems) and Primary (for starting).
What Is An Auxiliary Battery
What Is an Auxiliary Battery?
These batteries are designed to run as a backup to the starting battery and provide power to some essential equipment like engine start/stop and other systems that require power while the engine is off to put less strain on the main battery and alternator.
Where is the Auxiliary Battery?
If you can't find or no longer have your car's owner's manual to look up the location of the batteries, you could also get your hands a little dirty and look in the car. Auxiliary batteries are not always as easy to find as your main starting battery. It could certainly be under the hood but it could also be under a seat, behind the glovebox or somewhere in the trunk.
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Showing Battery for GMC K1500 Pickup Base 1991 V8 7.4L
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Fits as Primary Battery or Auxiliary Battery
Warning for SLI78M
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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What Our Experts Are Saying
Trust us, this one delivers. Get reliable starting power with the Duracell Ultra Group 78 flooded car battery. With 700CCA, this dependable battery is engineered to perform in all weather from America’s most trusted brand.
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Brand:
Duracell Ultra -
Format:
BCI Group 78 -
Cold Cranking Amps:
700 -
Terminal Type:
M6 Side Insert, C, Insert Terminal
Fits as Primary Battery or Auxiliary Battery
Warning for SLI78
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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What Our Experts Are Saying
You’ll notice the high cold cranking amps the second you start it up. The Duracell Ultra Gold Car Battery Group 34/78 | 800CCA is a high-performance Car Battery built for reliable starts, dual terminal flexibility, and long-lasting power in tough conditions.
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Brand:
Duracell Ultra -
Format:
BCI Group 34/78 -
Cold Cranking Amps:
800 -
Terminal Type:
DT, SAE/M6 Side Insert
Fits as Primary Battery
Warning for SLI34DTM
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
High Performance
High Performance
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What Our Experts Are Saying
The first 5 seconds of ignition are the most demanding for modern vehicles. Ensure a flawless start with X2Power Ultimate AGM batteries, featuring industry-leading Peak Cranking Amps (PCA) to provide the ultimate high-end energy force.
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Brand:
X2Power -
Format:
BCI Group 78 -
Cold Cranking Amps:
850 -
Terminal Type:
M6 Side Insert, C, Insert Terminal
Fits as Primary Battery or Auxiliary Battery
Warning for SLI78AGMDP
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Fits as Primary Battery
Warning for OPT8012-021
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
High Performance
High Performance
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What Our Experts Are Saying
Maximize your startup power with the ability to connect additional accessories with the dual terminals. X2Power’s industry-leading Peak Cranking Amps (PCA) and high Reserve Capacity provide the ultimate power to handle the heaviest demands.
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Brand:
X2Power -
Format:
BCI Group 34/78 -
Cold Cranking Amps:
850 -
Terminal Type:
SAE, Automotive Post
Fits as Primary Battery
Warning for SLI34-78AGMDP
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
High Performance
High Performance
-
What Our Experts Are Saying
Your battery faces its toughest challenge in the first 5 seconds of ignition. X2Power Ultimate AGM batteries feature premium Peak Cranking Amps (PCA), ensuring your high-tech vehicle gets the elite, high-end energy force it takes to start.
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Brand:
X2Power -
Format:
BCI Group 34 -
Cold Cranking Amps:
850 -
Terminal Type:
SAE, Automotive Post
Fits as Primary Battery
Warning for SLI34AGMDP
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Fits as Primary Battery
Warning for OPT8014-045
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Fits as Primary Battery
Warning for HEPPC1500DT
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
High Performance
High Performance
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What Our Experts Are Saying
You’ll notice the high cold cranking amps the second you start it up. Get powerful, reliable starts every time with the Optima Red Top 800CCA AGM car battery, built for group size 34/78 vehicles with dual terminals and rugged SPIRALCELL technology.
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Brand:
Optima -
Format:
BCI Group 34/78 -
Cold Cranking Amps:
800 -
Terminal Type:
SAE, Automotive Post
Fits as Primary Battery
Warning for OPT8004-003
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
High Performance
High Performance
-
What Our Experts Are Saying
With high cold cranking amps, this battery delivers serious starting power. The Optima Red Top Car Battery Group 78 | 800CCA delivers dependable starting power and long-lasting performance for cars, trucks, and SUVs with standard electrical demands.
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Brand:
Optima -
Format:
BCI Group 78 -
Cold Cranking Amps:
800 -
Terminal Type:
SAE, Automotive Post
Fits as Primary Battery or Auxiliary Battery
Warning for OPT8078-109
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov