FD3S_wanted

iTrader: (5)

Hi guys,

I'm currently comparing LHD and RHD part numbers to know which part of a jdm front clip would fit on usdm car. During the process a few questions came to my mind about part numbers. In the examples below the P/N on left is RHD and the one on right is LHD.

Example 1:
FD01-51-SC0D vs FD01-51-SC0B

What does that mean when the last letter changes? It is a versionning of the same part?

Example 2:
N3B1-14-708 vs N3A1-14-708

What does the "A" and "B" means?

Example 3:
F100 vs FD01

Specific RHD parts (like steering rack) seem to begin with "F100" sequence. Does that make sense?


P/N experts welcomed.

Thanks.

Julian

iTrader: (14)

Do a search, years ago I gave,an explanation of the numbering system. The short version is fd01, F100, f138, f146... are model variations of the fd car such as a us part, R1, R2, 99 update 02 update etc. Etc. Nothing ridged but it is calendar sequential

j9fd3s

iTrader: (3)

the Mazda parts sequence works like this;

FD01-51-SC0B

the first 4 are the application. more below

the next two tell you what section the part is from, 51, is an exterior part, lighting and badging. 16 is a clutch, 15 is water cooling, etc

the next three digits tell you what the part is. for instance 16-510 is a throw out bearing, 15-200 is a radiator. if something is sided the higher number goes on the left. so a left shock is 34-900 and a right shock is a 34-700. a left fender is 52-2xx and a right is 52-1xx.

the next letter, 4th in that grouping, is a change code, so when they make a part, it has no letter, if they change something, it can get an A, and so forth. the change can be for any reason, sometimes its a price change, sometimes its a change in the part, and sometimes you just can't tell. in rare cases the new part will be different in a way that makes the old part not work, say for a recall or something. with the FD that basically was just the fuel line from the primary to the secondary fuel rail.

there can be another 2 digits after the part number, and this can be the color code, or the supplier in the US. for instance the seat is something like FD03-57-150-00, which is black. or a thermostat which is something like 8AF6-15-171-9U, which means Mazda USA didn't buy it from Mazda Japan.

so the application? everything gets some kind of code, the FD is pretty easy, as just about everything on the body is an FD part. the engine is N3A1, N3A3, N3F1, and N3G1.

there are a few FD variations that do mean something, for instance FD03 parts are generally for an R package, FD04 and 5 are generally touring stuff. the Japanese equivalent is F100. they have F104, F105 also, but they had different models so its not equivalent to the US exactly.

there are also several F100 parts on a LHD car, and a bunch of FD01 parts on a RHD car, so just the number doesn't tell you where it came from.

arghx

iTrader: (3)

Excellent explanation.

j9fd3s

iTrader: (3)

i used to be a certified Mazda parts manager.

arghx

iTrader: (3)

I know

j9fd3s

iTrader: (3)

the T shirt it came with had tire tracks printed on it

FD3S_wanted

iTrader: (5)

Great explanation.

Since LHD has F100 parts and RHD has FD01 parts you can't tell if the part is interchangeable or not by looking only at the part number except if it's exactly the same (whether there is a letter or not at the end)?

Also in the following case what the letter means?
Oil cooler duct:
LHD car: N3A1-14-708
RHD car: N3B1-14-708

Thanks.

j9fd3s

iTrader: (3)

generally if you have two of the same part in your hand, and one is F100 and the other is FD01, the FD01 is LHD, and the F100 is RHD.

in the case of the oil cooler duct, there was a running change in early 96, from the N3A1 to the N3B1, i suspect that if you tried to order an N3A1 you would get an N3B1 part.