If you have ever stood in front of a shelf holding G19216 in one hand and M20501 in the other, wondering whether you are about to buy the same thing twice, this page is for you. Meguiar's product codes are not random. Most of them decode in about ten seconds once you know where to look.
The short version
A Meguiar's code is usually a letter for the product line, a number for the product, and two final digits for the bottle size.
Take D10105. The D says professional dilutable. The 101 says All Purpose Cleaner. The 05 says 5 gallons. Change the last two digits to 01 and you get D10101, the same chemical in 1 gallon.
What the first letter means
This is the part that matters most, because it tells you which line you are buying from, and the lines are priced and packaged for completely different buyers.
| Letter | Line | Who it is for | Example |
|---|---|---|---|
| G | Consumer retail | Car owners. Ready to use, retail sizes, the Ultimate and Gold Class and Quik families. | G7116 Gold Class Shampoo |
| D | Professional, dilutable | Detailing shops and car washes. Concentrates sold in gallons that you dilute with water. | D11005 Hyper Wash, 5 gallon |
| DRTU | Dilute, Ready To Use | The D-line chemistry already diluted into a 32 oz spray bottle. The bridge between the two worlds. | DRTU11032 Hyper Wash ready to use |
| M | Mirror Glaze, professional | Body shops and paint correction work. This is where the compounds and polishes live. | M10501 Ultra-Cut Compound |
| A | Older consumer line | Long-running classics that predate the Ultimate naming. | A1216 Cleaner Wax |
| X | Accessories | Towels, wash mitts, applicator pads, brushes. No chemicals. | X2020 Supreme Shine Microfibre Towels |
| C | Clay | Detailing clay bars. | C2000 Detailing Clay, Mild |
The machine pad codes, which look worse than they are
Codes like DMF5 and WRFP7 read like noise. They are actually the most systematic codes Meguiar's uses, because they describe the pad rather than name it.
Read them in three parts: machine type, then pad material and job, then size in inches.
-
Dat the start means DA, a dual action polisher.WRmeans rotary. -
MFis microfibre,Fis foam,BPis a backing plate. -
Cis cutting (removes defects),PorFPis polishing or finishing (refines gloss). - The final digit is the diameter in inches.
So DMC5 is a DA microfibre cutting disc, 5 inch. DFF6 is a DA foam finishing disc, 6 inch. DBP5 is the 5 inch backing plate they both mount to. Buy a disc without the matching backing plate and nothing attaches to your machine, which is the single most common ordering mistake in this part of the catalogue.
What the last two digits mean
Once you have the line and the product, the trailing digits are almost always the size, expressed in the unit that line is sold in.
| Ending | Size | Seen on |
|---|---|---|
01 |
1 gallon |
D10101, M10501, D30101
|
05 |
5 gallon |
D10105, D11005, D15505
|
32 |
32 oz, about 1 litre |
M10532, M20532, the DRTU sprays |
16 |
16 oz |
D30016, D30116, G13616
|
08 |
8 oz | G250608 |
A trailing EU, as in M20532EU, marks the version packaged for the European market. It is the same product.
The two codes people confuse most: M105 and M205
These two sit next to each other, differ by one digit, and do opposite halves of the same job. They are the most searched pair in the whole Meguiar's range.
-
M105Ultra-Cut Compound is the cutting step. It removes defects: oxidation, sanding marks, deep swirls. It leaves the paint corrected but not yet at its best gloss. -
M205Ultra Finishing Polish is the refining step. It comes after the compound and brings the gloss up.
If you buy only one, buy the one that matches your actual problem. Defects you can feel or clearly see need M105 first. Paint that is already smooth but looks flat needs M205. Buying M205 to remove scratches is the most common wasted purchase in the range.
The consumer-line equivalents carry different numbers for the same logic: a compound to correct, then a polish or wax to finish.
Where the logic breaks, and we would rather tell you
The system is a convention, not a rule, and it does not hold everywhere. Two honest warnings:
Sharing the first digits does not mean products are related. G180124 is the Ultimate All Wheel Cleaner and G180515 is the Bug & Tar Remover. Same G180 opening, completely unrelated products. On the consumer line the middle digits are closer to a catalogue position than a family key.
Some blocks are simply mixed. Everything starting G250 in our range covers a trim restoration kit, an inside-and-out detailer, a watermelon-scented wash and two air fresheners. There is no theme there to find.
So: trust the first letter, trust the last two digits, and treat the middle as a label rather than a code. If the middle digits were fully systematic you would not need this page, and neither would the enthusiast forums that spent twenty years answering the same questions.
A worked example, start to finish
You have a black car with light swirl marks and you want to do it by hand (there is a full step-by-step for that job). You search and find three products. Here is how the codes settle it:
-
D30016:Dprofessional, Correction Compound,16means 16 oz. A correcting product in a hand-sized bottle. This is your first step. -
D30116: one digit apart, so a sibling product in the same size. Finishing Wax, 16 oz. This is your second step. -
M10501:Mprofessional Mirror Glaze, and01means one gallon. Correct chemistry, wrong quantity entirely for one car by hand.
Two of those three are right for you. The codes told you which, before you read a single description.
Quick reference
If you remember nothing else:
- G = for your own car. D and M = professional, usually in gallons.
-
Last two digits = size.
01gallon,05five gallon,32one litre,16sixteen ounces. - Compound corrects, polish and wax finish. Match the product to the defect, not to the price.
-
Pads:
Dfor DA,WRfor rotary,Ccuts,F/Pfinishes, last digit is inches. Do not forget the backing plate.
Still not sure which code you need? Message us with your car, its colour and what you are trying to fix, and we will give you the exact code and size. We are the official Meguiar's agent in Egypt, so the answer comes from the same catalogue we stock from.