Missing Bracket or Unused Holes? (Intake Manifold Question)

idiBen · Jun 13, 2026

I'm trying to determine whether something is missing from my 1987 F250 6.9 IDI.

In the attached photo, I've circled two threaded holes on the driver side of the intake manifold, near the injection pump.

Can anyone identify what factory bracket, accessory, or component was originally mounted here?

Thanks in advance!

Jesus Freak · Jun 13, 2026

Ive seen a remote air filter bolted there and the vans fuel filter goes over there, i believe.

IDIBRONCO · Jun 14, 2026

That's where vans and Internationals have their fuel filter head mounted.

Nero · Jun 14, 2026

That is also where the stock 092 turbo air filter housing bolts to.

DirtyWood · Jun 14, 2026

And it's also where part of the Banks Sidewinder air filter assembly bolts on.

IDIBRONCO · Jun 14, 2026

Nero said:
That is also where the stock 092 turbo air filter housing bolts to.

DirtyWood said:
And it's also where part of the Banks Sidewinder air filter assembly bolts on.

Yes but that's not what they were originally for. The turbo companies took advantage of the already existing holes.

Missing Bracket or Unused Holes? (Intake Manifold Question)

idiBen

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Jesus Freak

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IDIBRONCO

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Nero

HD Diesel nut

DirtyWood

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IDIBRONCO

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