Fuel pump codes

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Yukon2000xl

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I own a 2000 Yukon XL and started having symptoms of a failing fuel pump.With that said when I go to order one off rockauto, their are two product codes on every pump (TDB or TDC) ? Anyone know how to identify what's on the truck without having to dismantle everything first? I gotta try driving with the old pump on to drain the fuel I'm at a full tank!


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Rocket Man

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I've read here on the forum the aftermarket ones go out prematurely so the AC Delco ones are recommended. I only see 2 ACDelco's listed- for "robust fuel system" or not. It looks like the RPO code for that is K53.
 
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Yukon2000xl

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I've read here on the forum the aftermarket ones go out prematurely so the AC Delco ones are recommended. I only see 2 ACDelco's listed- for "robust fuel system" or not. It looks like the RPO code for that is K53.
I don't even understand the difference between robust fuel system or not? Doesn't make sense to be


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Rocket Man

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I have no idea either but some of these come with 2 tanks.
 

Ronzxcvb

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did you enter your vin at a dealer site like GM parts direct to get the proper part #?
Then enter that in the search field for fuel pumps at rock auto
that's the only thing I can think of to help
 

YukonandtheHOE

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Robust Fuel System's are Flex Fuel/E85 set up's they have different fuel lines.
 

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