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Author Topic: Air Manifold Assembly Part Number (Smog system air injector pipe)  (Read 2338 times)
stovebolt
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« on: February 14, 2010, 09:21:27 AM »

Hi. Can anyone tell me the GM part number for the air manifold assembly (smog system air injector pipe) used on my 1968 6 cylinder engine? Thanks.
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1968RSZ28
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« Reply #1 on: February 14, 2010, 10:39:59 AM »

Hi. Can anyone tell me the GM part number for the air manifold assembly (smog system air injector pipe) used on my 1968 6 cylinder engine? Thanks.

The '68 AIM list part number 3918952 (pipe assembly).

Paul
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stovebolt
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« Reply #2 on: February 15, 2010, 10:42:13 AM »

Thank you.
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stovebolt
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1968 Sport Coupe


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« Reply #3 on: February 18, 2010, 11:47:13 AM »

Just to be certain of the part number, I'm including a picture of the part from the Service Manual. Sight unseen, I don't want to order the wrong part. Can anyone verify that 3918952 is indeed the correct part number? Thanks.
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1968RSZ28
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« Reply #4 on: February 18, 2010, 12:26:11 PM »

Just to be certain of the part number, I'm including a picture of the part from the Service Manual. Sight unseen, I don't want to order the wrong part. Can anyone verify that 3918952 is indeed the correct part number? Thanks.

My '69 Chevrolet P&A shows...

68-69  Chevy, Chevelle, Camaro (6 cyl.) (exc. A.T.) . . . . . 3918952     $6.60     PIPE ASSY., w/ conn., check valve . . . . . 1

Your welcome.

Paul
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1968RSZ28
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« Reply #5 on: February 18, 2010, 12:45:15 PM »

And in case you need the check valve & injection tubes shown in your photo, the P&A lists these part numbers...

Check Valve . . . . . . . . . 5361992
Injection Tube . . . . . . . 3880812

Paul
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JohnZ
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« Reply #6 on: February 19, 2010, 03:44:13 PM »

Just to be certain of the part number, I'm including a picture of the part from the Service Manual. Sight unseen, I don't want to order the wrong part. Can anyone verify that 3918952 is indeed the correct part number? Thanks.

I don't know where you'd order it - that part was discontinued about 30 years ago.
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'69 Z/28
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stovebolt
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1968 Sport Coupe


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« Reply #7 on: March 05, 2010, 11:58:46 AM »

Thanks for all your help. I just received in the mail the last GM inventoried 3918952 air manifold assembly from a Chevrolet dealer in Arizona.
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tom
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« Reply #8 on: March 05, 2010, 05:05:20 PM »

Well done !
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69 X11 Z21 L14 glide
looking for a 69 export model (KPH) speedo
L22K19
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« Reply #9 on: March 23, 2010, 05:39:29 AM »

Can you post a picture of the NOS item.  I'm reasonably certain that the colour is original on mine but would like to be 100%. I'm assuming that the finish between a 67 and a 68 will be the same.

Thanks
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stovebolt
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« Reply #10 on: March 24, 2010, 08:20:28 AM »

Here you are. BTW, am I correct in assuming that the pipe was made on December 3, 1975, 75L3?

Joe
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