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Discussion Starter #1
Hi,

What is the battery spec or part no. for 2003 ford focus with zetec-se (sigma) 1.6liter engine and 4 speed auto trany.
 

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any napa or shucks could tell you this but since iam here.

you can fit and use the OE hold down for these batteries.
but you might have fitment issues with the cover or spash guard that goes over the top of it.

24F 525 CCA
34R 650 CCA
36R 650 CCA
41 800 CCA
Optima 800U 800 CCA
Optima 750U 750 CCA

To use your OE cover or guard see below.

But what your car calls for factory is a BTX40R-650 650 CCA
and any parts store should sell them around 94.95$ with Core exchange.
which is my cost.
 

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Registered
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11 Posts
Discussion Starter #3
any napa or shucks could tell you this but since iam here.

you can fit and use the OE hold down for these batteries.
but you might have fitment issues with the cover or spash guard that goes over the top of it.

24F 525 CCA
34R 650 CCA
36R 650 CCA
41 800 CCA
Optima 800U 800 CCA
Optima 750U 750 CCA

To use your OE cover or guard see below.

But what your car calls for factory is a BTX40R-650 650 CCA
and any parts store should sell them around 94.95$ with Core exchange.
which is my cost.
Does higher CCA do effects with cars electrical systems.
 

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you wont see a differance between your OEM battery at full health and the highest cca amp battery you could shove under the hood.

high end stereo equipment not included, even then a 2000 watt stereo and your oem battery could last for 5 years still, and you wouldnt even notice it degrade untill its probably to late. Other then that as long as your battery is 12 volts and is at least 525 cca, and you dont hook it up backwords or ground it out on your hood when you close it. Your gold.
 
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