Injector line "plug seal" replacement

Delta KJ
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1 year 11 months ago #243578 by Delta KJ

Injector line "plug seal" replacement was created by Delta KJ

My D318 engine has a cracked "plug seal" where the fuel injector line connects to the fuel pump by way of the hex nut. Cat still carries new "plug seals" and they are priced at a whopping $0.25 each. Are these "plug seals" silver soldered to the injector lines or are the connected some other way?

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trainzkid88
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1 year 11 months ago - 1 year 11 months ago #243594 by trainzkid88

Replied by trainzkid88 on topic Injector line "plug seal" replacement

yes id say there soldered. they are on other brands.

Last edit: 1 year 11 months ago by trainzkid88.

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trainzkid88
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1 year 11 months ago #243595 by trainzkid88

Replied by trainzkid88 on topic Injector line "plug seal" replacement

the flux id use is eaziweld 801 its 30 percent zinc chloride liquid. this stuff will let you solder monel and stainless. general use is dilute 1 to 4 parts water

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Old Magnet
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1 year 11 months ago #243597 by Old Magnet

Replied by Old Magnet on topic Injector line "plug seal" replacement

Are we talking about the fuel injection line "ferrules"? Can't say as I've heard them referred to as "plug seals". Do you have a part number? I have never had any success in locating just the ferrules.

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Delta KJ
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1 year 11 months ago - 1 year 11 months ago #243598 by Delta KJ

Replied by Delta KJ on topic Injector line "plug seal" replacement

My parts books calls them "plugs" but my Cat dealer's parts description is "plug seal". I would call them ferrules... the part number is 2F2990.

Last edit: 1 year 11 months ago by Delta KJ.

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Old Magnet
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1 year 11 months ago #243599 by Old Magnet

Replied by Old Magnet on topic Injector line "plug seal" replacement

As stated at the bottom of the parts page (with the triangle) plug seals are just used for shipping and storage. Meant to keep crud out of the fittings and lines.

The following user(s) said Thank You: side-seat, Rome K/G

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Delta KJ
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1 year 11 months ago #243619 by Delta KJ

Replied by Delta KJ on topic Injector line "plug seal" replacement

No wonder why they were so cheap! My Cat dealer said I can pick them up today... Won't I be surprised!

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Delta KJ
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1 year 10 months ago #244717 by Delta KJ

Replied by Delta KJ on topic Injector line "plug seal" replacement

To echo what Old Magnet has already said; Can't find the fuel injector line ferrules for the D318.
Are the ferrules silver soldered to the injector lines? If so, couldn't a ferrule be "sweat" off of another line and silver soldered it to another line?

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Rome K/G
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1 year 10 months ago #244719 by Rome K/G

Replied by Rome K/G on topic Injector line "plug seal" replacement

Have to buy the complete line or have the line made.

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Old Magnet
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1 year 10 months ago #244726 by Old Magnet

Replied by Old Magnet on topic Injector line "plug seal" replacement

No reason you couldn't swap a ferrule, yes they are silver soldered on.
After much searching I found a source for the fittings, either silver solder on or compression type.
Haven't tried to purchase any so any feedback would be appreciated.

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