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I have a craftsman lawn tractor with a Briggs and Stratton 19.5hp engine vertical shaft model 31p672 0912. G5. I'm trying to find out what this part is, I'm thinking it's at least part of the fuel pump? If someone can please help I would greatly appreciate it.

Recheck Engine Numbers nothing showing, click above & enter for Manual & Parts List.
thanks VTX1300, Mark
Your carburetor part # 591734, if description does not say B&S OEM Part, it will not work properly.

mechanic mark said:

Find Manual & Parts List | Briggs & Stratton

Whether you are putting your equipment away for the season or needing to replace a part, locate your equipment or engine manual to get the information specific to your product.

www.briggsandstratton.com

Recheck Engine Numbers nothing showing, click above & enter for Manual & Parts List.

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Here is the picture of the model number

VTX1300 said:

Here is the picture of the model number View attachment 63988

Click to expand...

mechanic mark said:

Find Manual & Parts List | Briggs & Stratton

Whether you are putting your equipment away for the season or needing to replace a part, locate your equipment or engine manual to get the information specific to your product.

www.briggsandstratton.com

Recheck Engine Numbers nothing showing, click above & enter for Manual & Parts List.

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www.briggsandstratton.com

thanks VTX1300, Mark

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No problem, I’ve looked at everything I can find and I can’t find a diagram with that part in it, I believe it’s the original fuel pump

31P677.

Not the fuel pump.


Where'd that part come off the engine from?

That is the EPA vapor line/roll over protection valve that mounts into the top of the fuel tank on riding mowers.

Scrubcadet10 said:

31P677.

PartsTree - Home of OEM Parts for Outdoor Power Equipment

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Not the fuel pump.
View attachment 63989

Where'd that part come off the engine from?

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To the left of the starter, it looks like the mounting plate is part of the dipstick tube, as you can see in the picture to the right of the rectangular plastic plate.

ILENGINE said:

That is the EPA vapor line/roll over protection valve that mounts into the top of the fuel tank on riding mowers.

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Ok

VTX1300 said:

Ok

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Didn’t realize that because the gas tank is missing, could the fuel pump mount to the rectangular plastic plate in the photo or where does it mount because it’s missing as well

The fuel pump normal location is on the blower housing next to the air filter cover on what would the left rear of the cover if you were sitting on the rider seat with a vacuum line connected to the dipstick tube for the pulse line. It is held on with two christmas tree fasteners on the newer models.

https://www.smallenginewarehouse.com/33S877-0019 Second image on this page shows the typical fuel pump location

ILENGINE said:

The fuel pump normal location is on the blower housing next to the air filter cover on what would the left rear of the cover if you were sitting on the rider seat with a vacuum line connected to the dipstick tube for the pulse line. It is held on with two christmas tree fasteners on the newer models.

https://www.smallenginewarehouse.com/33S877-0019 Second image on this page shows the typical fuel pump location

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Ok so what is missing in my original picture on the plastic rectangular plate that the vacuum line would attach to?

VTX1300 said:

Ok so what is missing in my original picture on the plastic rectangular plate that the vacuum line would attach to?

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Usually that area is blank with nothing mounted. But in some cases that is the mounting location for the 9 amp regulator/rectifier.

ILENGINE said:

Usually that area is blank with nothing mounted. But in some cases that is the mounting location for the 9 amp regulator/rectifier.

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Ok so where would the vacuum line for the fuel pump connect on the dipstick tube, I don’t see a tip coming off the tube for it to connect to, unfortunately several pieces have been removed from mower engine area before I got it and all the manuals I’ve been looking at don’t really show anything specifically for my engine model that’s why I’m having to ask, just not trying to be annoying.

It could be the case that the engine you have may of been set up with a gravity flow carb and not a fuel pump style carb, therefore no fuel pump and no nipple on the dipstick tube to connect the vacuum tube to.