Cub Cadet 1872, 2072 Parts Catalog

If you’re ordering a replacement part for a Cub Cadet 1872 or 2072 and don’t have the factory part number, you’re either wasting time or money. I’ve seen guys buy the wrong air cleaner element because they eyeballed it. This catalog stops that. 131 pages of factory drawings with every nut, washer, and gasket listed by OEM part number. No aftermarket renumbering. No “compatible with” garbage. You get the exact part the engineers specified when these machines were built.

Serial number range 756,300 – 799,999 covers both the 1872 and the 2072. Inside you’ll find the air intake system broken into separate exploded views for each model (pages 1 through 4 in the PDF). The Baffles & Shroud section starts on page 5. Each assembly has a reference number, part number, quantity, and a serviceability code (S/P/F) that tells you if it’s a service item, a part you order, or a factory-only piece. That matters when you’re trying to keep a mower running past 20 years old.

Air Intake Assembly – Part Numbers and Exploded Views

The first section of this catalog covers the air intake system for both the 1872 and the 2072. Two separate pages – one for each model. You’ll see the wing nut (KH-X-276-7, 1/4-20), the cover assembly, precleaner, element, and the complete base with gaskets. The decal part number is even listed: KH-25-113-01 for the air cleaner instruction decal. If your precleaner is cracked and letting dirt past the element, you can order part KH-45-083-01 without waiting for a dealer to cross-reference it. The exploded view shows exactly how the elbow (KH-52-054-15) connects to the base and the gasket that seals it (KH-277069).

These are factory Kohler part numbers. The prefix “KH” tells you it’s a Kohler genuine component. The “X” in some numbers indicates an industry standard hardware item – like a wing nut or screw – that you might find at a local hardware store, but the catalog gives you the exact thread and length so you don’t strip anything. Note the difference between service (S) and part (P) codes. The element (759-3359) is a service item – you should stock it. The base (KH-52-094-06) you order as needed. That kind of info saves you from buying the whole air cleaner when all you need is a gasket.

Baffles & Shroud – Factory Breakdown

Starting on page 5, the catalog moves to the cooling system baffles and engine shroud. The 1872 version is shown with all the tin pieces that route airflow over the cylinders. These parts get brittle over time, and if a baffle rattles loose, the engine can overheat. The exploded diagram shows the exact orientation and fasteners. No guesswork about which screw goes where. The part numbers are listed with a reference number next to the drawing – match the number to the table, and you’ve got the right part.

For the 2072, the baffle layout differs because of the engine configuration. The catalog keeps them separate. You won’t accidentally order a 1872 shroud for a 2072. I’ve seen that mistake cost a full weekend of waiting for the correct part to ship. This catalog eliminates that. Every sheet says the model number at the top. Simple.

Who Should Buy This Cub Cadet 1872, 2072 Parts Catalog?

Home garage enthusiasts who own one of these machines and want to maintain it without relying on a dealership. Maybe you picked up a used 1872 at auction and the air cleaner is held together with duct tape. You need the correct precleaner and gasket set. Or you run a small engine repair shop and you’re tired of telling customers “I can’t find a part number for that baffle.” This catalog puts the entire parts library in your hands. 131 pages of nothing but part numbers, descriptions, and diagrams. No theory. No troubleshooting. Just the data you need to order the right piece the first time.

It also works for collectors. The 2072 is a sought‑after garden tractor. Keeping it original means using factory‑spec parts. This catalog shows you the original part numbers, not superseded substitutes that may have changed dimensions. If you’re restoring one, you want the catalog that came out during production – this one covers serial numbers 756,300 through 799,999.

OEM vs Aftermarket Parts Documentation – Why Factory Matters

Aftermarket parts catalogs often combine multiple models into one generic drawing and leave out critical hardware like the IT washer (KH-X-22-9) or the specific slotted hex screw (KH-X-67-98, #10-32 x 9/16"). Those little items cause leaks and rattles if you substitute. I’ve seen guys use a standard washer where a lock washer is called for, and then wonder why the air cleaner base vibrates loose. This catalog is a direct scan of the original Cub Cadet document. The part numbers match Kohler’s own system. Cub Cadet 21121C29025 Parts Catalog – 73 Pages of Factory Specs covers a different model range but uses the same OEM numbering. Cub Cadet 984 Parts Catalog – 128 Pages of OEM Factory Parts Breakdowns and Cub Cadet 81, 21121C290248 Parts Catalog – OEM Factory Breakdown also follow the same factory standard. If you work on multiple machines, those are worth having in your library too.

The source validity of this document is what makes it usable. It’s not a re‑typed list full of typos. It’s the original PDF from Cub Cadet’s publication – you can see the page numbers, the original part number formatting, and the note about discount parts from the Kentucky distributor (606-678-9623). That tells you it’s a real dealer‑release catalog. I’d trust this over any $20 online “universal” parts list every time. Automotive Industry Overview – not relevant here, but the principle of using original documentation applies across the industry. Automotive Industry Overview – same point.

Reading the Part Number System in This Catalog

Each line in the table has a reference number (1 through 15 for the air intake), a quantity, a description, and a three‑letter service code (S/P/F). S means service item – buy it as needed. P means part – usually requires ordering. F means factory only – not available retail. If you see “/P” after the part number, that’s a P item. The catalog also includes screws, washers, and nuts that are common hardware. The description tells you the exact thread and length. For example, screw KH-X-50-57 is a slotted pan head, #10‑32 x 1.5" long. You might have a bin of #10 screws, but are they 1.5 inches with the correct head? Likely not. Use the catalog, order the right screw, and move on.

The 131 pages cover every major assembly: air intake, baffles, shroud, plus many more not shown in the OCR snippet. Expect to find sections for the engine, drivetrain, steering, hydraulics, and electrical. Each section has its own exploded diagram and table. If you need a part for the 2072 hydrostatic transmission, this catalog will have it – indexed by the factory part number.

Does this parts catalog include engine block part numbers?

No.

How do I use the reference numbers in the tables?

Look at the exploded diagram on the page. Each component has a circled reference number. Match that number to the table on the same page. The table gives the part number, description, quantity per assembly, and the serviceability code (S/P/F). For example, on the air intake page (Model 1872), reference number 7 is screw KH-X-67-98. The description says “Screw, Sltd Hex Wash Hd, #10-32 X 9/16 Lg”. That tells you the thread size, length, and head type. Order that exact screw from Kohler or find a cross‑reference. If the part is marked with a “/P” in the S/P/F column, you need to place an order – it’s not a common service item you’d stock. Always verify the serial number range (756,300-799,999) matches your tractor before ordering, because earlier or later models may have different part numbers.

If you own a Cub Cadet 1872 or 2072 and want to keep it running without relying on a dealer’s cross‑reference database, this catalog belongs in your tool box. 131 pages of factory part numbers, exploded diagrams, and service codes – all original, no third‑party edits. Access the Factory Manual from AutoRepairManuals and start ordering the right parts today.