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Old 01-17-2022, 07:14 PM   #1
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2002 Cat 3126e - can someone indentify this?

I hope the attachment successful.

Can someone identify the primer pump and filter in the photo?

Thanks Dan

(I was looking to see if the rubber HEUI hose had been upgraded, it has not. )
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Old 01-17-2022, 08:59 PM   #2
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I was able to find a photo and identify this as a fuel filter. The pump appears to be primer pump.



Is the IAP Sensor visible in this photo?
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Old 01-17-2022, 09:37 PM   #3
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The red is the plunger primer pump.

The green is a fuel filter
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Old 01-17-2022, 09:47 PM   #4
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PRIMER PUMP PARTS

105-2508 PRIMER PUMP

1P-0436 PRIMER PUMP GASKET

8C-6561 BOLT

7Y-2501 BOLT

8T-4205 WASHER

8T-4224 WASHER

Fuel Filter
1R-0751

All are CATERPILLER part numbers.
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Old 01-19-2022, 09:29 PM   #5
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Quote:
Originally Posted by dansawyer View Post
I hope the attachment successful.

Can someone identify the primer pump and filter in the photo?

Thanks Dan

(I was looking to see if the rubber HEUI hose had been upgraded, it has not. )
A engine Serial number would be helpful.
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Old 01-24-2022, 10:21 AM   #6
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Quote:
Originally Posted by dansawyer View Post


Is the IAP Sensor visible in this photo?
IAP sensor is directly above the HEUI oil line fitting in the cylinder head .

Red circle .
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Old 01-27-2022, 08:41 AM   #7
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Thank you. Are there instructions on removing the IAP sensor?

There appear to be o-rings included as part of the 240-0717 kit to reinstall the sensor.
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Old 01-27-2022, 09:07 AM   #8
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The big thing on replacing the IAP sensor is " do not over tighten it " or you damage the "O " ring.

The torque spec is ; Inch /pounds ; that's 1/12 of ft/lbs ;most ft/lb torque wrenches don't go low enough , you need an inch/pound torque wrench .
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