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Old 09-24-2013, 03:00 PM   #1
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When is it best to go with OEM parts?

Hey guys! I'm about to do some 100k maintenance, and am wondering when it's best to order OEM parts or aftermarket.

Ex; I've read that with any kind of belts, go with OEM.
Other times, you can go with the less costly aftermarket and it won't matter.

So, which products should I definitely buy from Ford and what's ok to go with other brands?

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Old 09-24-2013, 06:18 PM   #2
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I recently did a post-100k-tune up. And i went with OEM: Sparks, Fuel Filter, Oil Filter, and Oil (just because). I'd recommend the first 3, but that's my 2cents :) .
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Old 09-24-2013, 07:50 PM   #3
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I'm on OEM type of guy, but I would definitely go OEM on at least:

- Spark plugs
- Belts
- Alternators

These are what come to mind.

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Old 09-24-2013, 08:03 PM   #4
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Old 09-24-2013, 08:15 PM   #5
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With three Focus cars and one Transit Connect [Focus running gear] OEM everything except brake parts

That is mainly I don't trust non-dealership mechanics [I heard too many horror stories]
Except for a national 'tire repair chain' that starts with 'F' and they do the brakes
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Old 09-24-2013, 10:43 PM   #6
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I'd say what most everyone else has come to agree with. The rest like suspension, filters, etc are more personal preference than anything
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Old 09-24-2013, 11:09 PM   #7
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I buy OEM only when it's cheaper, unless I've been told by FF that only Ford will do (passenger side motor mounts come to mind...)

I've used Gates belts for years and never had a problem with one. And rebuilt alternators and starters, but I'm lucky enough to have a great local guy who does them.
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Old 09-25-2013, 01:34 AM   #8
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OEM whenever possible, unless you are building something the factory didn't and/or know more than the engineers that designed the car.
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Old 09-25-2013, 03:55 AM   #9
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OEm parts.. non oem can be made in China by idiots who also put poison in Baby formula for a profit..
Especially watch out for non OEM bearings of any kind..Any strong fasteners.. Too many non OEM will fail way to easy.
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Old 09-25-2013, 10:57 AM   #10
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from personal experience + user comments here over the years, three must-be-Ford parts that come to mind are the motor mounts, rear LCA eccentric bolts, and IAC valve.
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