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05-03-2014, 03:47 PM | #1 |
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help me understand Ford part numbers
OK, I understand a lot of it, namely the 4 space prefix such as C1TZ, the middle part which is a specific part and the suffix which is an application (hydraulic lifter vs solid lifter, etc).
It's more the prefix numbers that are in the form of 01A, 99A, etc., that I am interested in. I know that particular prefix refers to a specific model/year but I sometimes have trouble nailing it down. I had a web page as a reference but it's gone down. Is there a basic primer somewhere I can use as a reference? |
05-03-2014, 04:38 PM | #2 |
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Re: help me understand Ford part numbers
Ford Part Number Prefixes:
1932 = 18 1933 = 40 1934 = 40A 1935 = 48 1936 = 68 1937 = 78 1938 = 81A 1939 = 91A 1940 = 01A 1941 = 11A 1942 = 21A 1943 = 39A 1944 = 49A 1945 = 59A 1946 = 69A 1947 = 79A 1948 = 89A 1949 = 8A 1950 = 0A 1951 = 1A 1952 = BA 1953 = BF |
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05-03-2014, 05:08 PM | #3 | |
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Re: help me understand Ford part numbers
Quote:
In most cases, a part will have a prefix, but if without a suffix, it is either the first production, or had never been modified by a suffix. Without a prefix at all, a part may be standard fastener or such used by multiple models and years.
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05-03-2014, 05:10 PM | #4 | |
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Re: help me understand Ford part numbers
Quote:
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05-03-2014, 05:24 PM | #5 |
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Re: help me understand Ford part numbers
Well, that's clear as mud
Now I don't feel so bad about getting some of the applications wrong. I have people chiding me all the time about this is wrong that is wrong with parts I have listed. |
05-03-2014, 05:34 PM | #6 |
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Re: help me understand Ford part numbers
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I put this together for our club newsletter and it might help (please let me know if there is anything I left out): Assignment of part numbers at Ford was not random but instead was approached in a logical manner. Blocks of basic part numbers (groups of numbers) were assigned according to their function. An example of this is that the engine components were assigned numbers from 6008 through 6856 (a complete list of these basic part numbers is contained in the table). Continuing the example within the block of numbers “6050” was assigned to the cylinder head. This number would continue to define the cylinder head as future parts were identified by new prefixes and suffixes. When later V8’s required a different cylinder head for each side of the engine the left head continued to be numbered “6050” while the right head was designated “6049”. A prefix was added to the basic part number representing the application for which the part was first used. These prefixes are shown on the illustrations at the back of the “Green Bible”. All Model A (1928-1931) part numbers began with “A” for passenger vehicle and “AA” for heavy trucks. When the 1932 vehicles were introduced the part numbers began with “B” for the 4 cylinder and common parts, with “18” for the parts unique to the V8 and with “BB” for the large trucks. Any Model A parts that were used in the 1932 vehicles were renumbered. Any part that was unique to the Model A retained the “A” prefix. This concept is important to the Model A owner because it explains why some Model A parts in the suppliers catalogs carry a “B” prefix while others have an “A” prefix. The model year 1932 was the last time that Ford would completely renumber all of the parts. In 1933 the prefix was “40” for the passenger car, “46” for the commercial and “BB” for the large trucks. Parts that remained the same from 1932 were not renumbered. If after the original release of the part a change was made such that the part was not functionally interchangeable a suffix was added to the part number beginning with ”A” and extending through the alphabet. That is to say the initial release of the part would have no suffix, the first revision would be identified by an "A" suffix and the third would carry a "B" suffix. Ford Basic part Numbers (The following information is from the Ford Chassis Parts and Accessories Catalog dated November 1950 and has evolved slightly since the Model A era.) 1012-1244 Wheels, Hubs & Drums 1350-1498 Spare Wheel Carrier 2004-2441 Brakes (Service) 2442-2597 Brake Controls 2600-2866 Brakes (Hand) 3010-3446 Front Axle 3503-3743 Steering Gear 4000-4799 Rear Axle 4803-4906 Coupling Shaft 5000-5194 Frame & Brackets 5230-5293 Muffler & Exhaust Pipe 5300-5469 Front Spring 5484-5494 Stabilizer 5505-5799 Rear Spring 6008-6856 Engine 7000-7449 Transmission 7501-7620 Clutch 8005-8458 Radiator 8501-8592 Water Pump 8600-8665 Fan 9002-9326 Fuel Tank 9349-9417 Fuel Pump 9424-9488 Manifolds, Clamps, etc. 9502-9685 Carburetor 9700-9819 Accelerator, Throttle & Choke Control Rods 9902-9974 Carburetor 10000-10449 Generator 10505-10653 Cutout & Voltage Regulator 10655-10722 Battery 10732-10732 Battery Support 10844-10990 Instrument Cluster & Ammeter 11002-11383 Starter Motor 11450-11587 Starter Switch 11646-11673 Lighting Switch 12000-12388 Ignition Coil, Distributor, Condenser 12405-12410 Spark Plug 13002-13324 Lamps (Head, Parking & Cowl) 13402-13799 Lamps (Rear & Dome) 13801-13919 Horn 14176-14615 Wiring 15001-15709 Miscellaneous Accessories 16000-16157 Front Fender 16160-16446 Rear Fender 16450-16548 Running Board 16550-16590 Shield 16604-16960 Hood 17005-17125 Tools 17254-17293 Speedometer 17450-17647 Windshield Wiper 17679-17745 Mirrors 17749-17997 Bumpers 18006-18197 Shock Absorber 18204-18998 Miscellaneous Accessories 20039-S - 97015-S Standard Bolts, Screws, Nuts etc. 350001-S - 359932-S Special Bolts, Washers, etc. The final change to the part numbers was a couple of years ago when Ford decided that anyone utilizing the Ford part numbering system was infringing on their intellectual property. In all fairness to Ford they were probably trying to combat “gyp” parts being produced for current model cars (remember, Henry warned us about “gyp” parts). Now antique parts suppliers can pay Ford to use the Ford part number system but most have chosen to make up their own numbers. Of course no one talks to each other and now the parts numbers really look like “they were pulled at random from a box much like lottery numbers.” Last edited by Charlie Stephens; 05-04-2014 at 12:04 PM. |
05-03-2014, 05:38 PM | #7 |
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Re: help me understand Ford part numbers
Thanks Charlie. I knew some of that, but there is some new stuff there that is very helpful.
I always scratch my head when I find, say, a bearing with a B prefix that's in a box that is obviously not that old. Makes me wonder sometimes exactly how many applications various part numbers have. |
05-03-2014, 06:08 PM | #8 |
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Re: help me understand Ford part numbers
Just to add, in 1939 the Mercury cars came onto the scene so prefixes changed to suit and many of them cross over to Ford cars.
99A was associated with 9-for 1939, again 9 for 239 CID, and A for passenger car. Part prefix association was generall pinned to the first model that used the part until a part had a major change, then the prefix would change. Minor changes in engineering just changed the last suffix letter. A for first change, B for second, etc. Mercury cars were: 99A for 39 09A for 40 19A for 41 29A for 42 The war changed a lot of stuff and after the war all cars had 239CID if they were a V8. The 60-HP engines stuff had their own prefix and the 9N 4-cylinder & G model 6-cylinders also had their own prefixes. Pickups(commercials)had -C and Trucks-T after the year and engine designators in the prefix. |
05-03-2014, 06:14 PM | #9 | |
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Re: help me understand Ford part numbers
Quote:
Charlie Stephens |
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05-03-2014, 07:28 PM | #10 |
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Re: help me understand Ford part numbers
As an ex Ford parts guy (30+ yrs ) I can shed some light on your problem. The prefix was issued the year the part was introduced. But, some earlier numbers are superceded to a later part number, so the year of intro sort of goes out the window. You really need to get parts books if you really want to I.D. some of this stuff you have.
The center 4 digits are what we call the basic number and this is where you start to look up a part. For example, a grill basic is 8200. Doesn't matter the year. Find that basic and you look to find the rest of the part number with the prefix and suffix if applicable. the suffix applies to changes in a part. An easy example is part number C6TZ 8200-A, C=1960-1969 Decade 6= 1966 year T= model (Truck ) Z= Engineering designation and not really important 8200 = grille A= Used to mean 1 change, but by the early 1950's it means first design It's an easy system to learn, much easier than GM and all numbers. THe new prefixes have no year designations. Example is YS4Z, only by repetition of doing parts, you learn what some of the new stuff fits . The example I gave was early Focus. Hopefully, this helps.
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05-03-2014, 07:34 PM | #11 |
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Re: help me understand Ford part numbers
Andy69 - if you are just here to gather info to use the Ford Barn so you can go elsewhere ( Ebay ) to sell you Ford Parts and make money and have fellow Ford Barn Members bid against the world -
No can do.... not going to happen. You've already tried to spam all your Ebay ads. Guys are trying to help and in return bid EBAY ads ? Administrator. |
05-03-2014, 07:34 PM | #12 |
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Re: help me understand Ford part numbers
Thanks Barry.
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05-03-2014, 07:37 PM | #13 |
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Re: help me understand Ford part numbers
In addition to B & BB prefixes, there's 46, 52, 79, etc. etc. in the pre-WWII years.
There was no 40A prefix. '33 and '34 share the same prefixes, namely 40, 46, and BB, as well as carry over parts from the '32 model year with B and 18 prefixes. Except in unusual circumstances, parts that are unchanged (except for packaging) carry the original part number prefix. For example, all of the passenger car/commercial vehicle front wheel bearings are the same from 1932 through 1948 and therefore they always carry the B part number prefix despite the passage of 16 years (because they remain the same identical parts). |
05-03-2014, 07:41 PM | #14 | |
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Re: help me understand Ford part numbers
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I don't know old Ford parts like I know 60s-70s Chevrolet parts. I figured perhaps you folks would be willing to help a guy out. We all have creative ways of funding our addiction, so I figured I'd be in like company. If that's not the case that's fine. I'm more than happy to figure out another way to smooth over the bumps in the road. |
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05-03-2014, 07:45 PM | #15 | |
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Re: help me understand Ford part numbers
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That was good info, thanks. Last edited by Andy69; 05-03-2014 at 07:53 PM. |
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05-03-2014, 07:57 PM | #16 |
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Re: help me understand Ford part numbers
Always good to have this volume on hand.
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05-03-2014, 07:58 PM | #17 |
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Re: help me understand Ford part numbers
Barry, regarding a suffix A, it designates a renumbered part when subsequent suffix letters do not obsolete the original part, which explains a part with no suffix in a box with an A suffix. If obsoleted, it just goes away, no part, no suffix. As with so many things, there are exceptions, oversights, and unexplained oddities.
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05-03-2014, 07:58 PM | #18 |
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Re: help me understand Ford part numbers
That's one I have not seen before. Thank you for bringing it to my attention.
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05-03-2014, 08:00 PM | #19 | |
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Re: help me understand Ford part numbers
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The suffix is for variations on the same part for the same year. I guess that's not entirely correct? |
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05-03-2014, 08:23 PM | #20 |
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Re: help me understand Ford part numbers
Andy, before a suffix B is designated, there would be no suffix A. Continued production of both parts are identified thereafter with A and B, or whichever later suffix survives.
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