Carburetor 442 1971

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May 23, 2023 | 11:56 AM

keyboard

Thread Starter

Registered User

Joined: May 2023

Posts: 135

Carburetor 442 1971

Hi guys.

Could you tell me if this carburetor corresponds to that of a 442 from 1971?
Could be original?
In advance thanks for the help.

Regards

May 23, 2023 | 12:39 PM

allyolds68

Registered User

Joined: Jul 2008

Posts: 5,511

From: Seneca Falls, NY

As the last number in the date code is 5, it's a service replacement carb from 1975

May 23, 2023 | 12:53 PM

keyboard

Thread Starter

Registered User

Joined: May 2023

Posts: 135

Quote:

Originally Posted by allyolds68

Como el último número en el código de fecha es 5, es un carburador de reemplazo de servicio de 1975

Hi.

I understand it was replaced in 1975 by the same model carb, right?
Thanks.

May 23, 2023 | 01:26 PM

Vintage Chief

Running On Empty

Joined: Jul 2018

Posts: 26,258

From: Earth

I believe 7041257 was used on the 1971 Oldsmobile 442 W-30 while 7041251 was your basic garden variety for all 1971 Oldsmobile 455 vehicles.

May 24, 2023 | 05:07 AM

Ontario69Hurst

Registered User

Joined: Apr 2021

Posts: 37

This may help1971-
350 7041250 7031970 7034849- "49B" 7038256- "AS"
455 7041251 7031970 7034849- "49B" 7033104- "AK"
455 Toro 7041252 7031970 7034851- "51B" 7033549- "AX"
455 M.T. 7041253 7031969 7034849- "49B" 7033655- "AU"
455 A.T. 7041257 7031969 7034849- "49B" 7033658- "AT"https://oldsjunction.classicoldsmobile.com/oldsfaq/

May 24, 2023 | 08:16 AM

allyolds68

Registered User

Joined: Jul 2008

Posts: 5,511

From: Seneca Falls, NY

Quote:

Originally Posted by keyboard

Hi.

I understand it was replaced in 1975 by the same model carb, right?
Thanks.

It was the same model carb but it isn't date coded correctly. The difference in value between an original date correct carb and a service replacement dated carb is significant