The Finest Cuyuna Spare Parts in Southeastern Illinois

In October 2014, ZDE purchased the AMW Cuyuna Engine Company, which became Cuyuna Engine, LLC. This newer company provides spare parts for Cuyuna and 2si engines in the field, as well as develops other new and innovative products. ZDE currently maintains the Largest Inventory of Cuyuna Parts.

Although we supply the best Cuyuna spare parts Nationwide and worldwide, none of our parts were designed nor intended for use in ultralight or experimental aircraft applications.

Cuyuna and 2si Engine Parts Catalog

Cuyuna and 2si Engine

Parts Catalog

Included in this catalog is a partial listing of faster-moving Cuyuna and 2si engine parts. We have many additional parts, both new and used, that were not included.

If you do not find the part you need pictured in our catalog,

please contact us. It is quite likely that we will have the part in stock.

Cuyuna engine gaskets and intake insulators for 215, 230, 430, UL II 02, and 2si 460 series engines, including 430 intake insulator part 399-07-012-000

These gaskets are used in Cuyuna 215, 230, 430, UL II 02, and 2si 460 series engines. Some gaskets are also used in the 2si 460 and 690 liquid-cooled engines. We have the 430 intake insulators (399-07-012-000) in stock.

Cuyuna 430, 2si 460, and 690 liquid-cooled engine gaskets and O-rings replacement parts

These gaskets and O-rings are used on liquid-cooled Cuyuna 430, 2si 460, and 690 engines.

Cuyuna and 2si engine bearings and seals for small engines and replacement parts

These bearings and seals are used in all Cuyuna and 2si engines.

Cuyuna and 2si engine hardware items including bolts, washers, and fasteners

These are typical hardware items found on all Cuyuna and 2si engines.

Cuyuna and 2si air-cooled engine fan pulley halves, fan shaft, spacer, tensioning shims, fan belt, and recoil cup

These are upper and lower fan pulley halves, a fan shaft, a spacer, tensioning shims, a fan belt, and a late model recoil cup. They are used on all air-cooled Cuyuna and 2si engines.

Cuyuna engine standard fan and reverse fan with fan cover for air intake and exhaust

This standard fan pulls in air and pushes it toward the PTO end of the engine. A reverse fan pulls air in from the PTO side of the engine and exhausts out the fan cover.

Cuyuna and 2si engine cylinder heads, including standard head and flow-through head models

These are typical hardware items found on all Cuyuna and 2si engines.

Cuyuna piston assembly kit with rings, pin, clips, sleeve, bearing, and ZDE1 lubricant for 2si and Cuyuna engines

These are upper and lower fan pulley halves, a fan shaft, a spacer, tensioning shims, a fan belt, and a late model recoil cup. They are used on all air-cooled Cuyuna and 2si engines.

Cuyuna engine ignition coil and wiring components for air-cooled and 2si engines

This standard fan pulls in air and pushes it toward the PTO end of the engine. A reverse fan pulls air in from the PTO side of the engine and exhausts out the fan cover.

Cuyuna 690L-70 engine ignition and charge components with ignition module for 460F-35 engine

Pictured are ignition and charge components for the 690L-70 engine. The ignition module in the lower RH corner is for the 460F-35 engine.

alt="Cuyuna and 2si engine exhaust system springs, rubber isolators, and BBES spark plugs

These are various exhaust system springs, exhaust system rubber isolators, new and old-style, and standard B8ES spark plugs used in virtually all Cuyuna and 2si engines.

Cuyuna early-style recoil parts including black plastic recoil pulley and starter rope

These are early-style recoil parts. They are identifiable by the black plastic recoil pulley. The later recoils used steel pulleys. The engines built since the mid-eighties use white plastic recoil pulleys.

Cuyuna current-style recoil assembly with starter motor and starter ring gear for electric start engines

This is a current-style recoil assy. It is the starter motor used on most electric start engines and starter ring gear.

Cuyuna 2si liquid-cooled engine water pump, water pump belt, and cylinder head

These are a water pump, water pump belt, and cylinder head used on all 2si liquid-cooled engines.

32mm Mikuni carburetor with jet packages and lever choke kit for Cuyuna and 2si engines

This 32mm Mikuni carburetor is used on most Cuyuna engines. 2si engines used 32mm and 36mm Bing carburetors. These engines can be retrofitted to accept the superior Mikuni carburetors. Also pictured are standard jet packages and the lever choke kit.

Cuyuna air filters for air-cooled and liquid-cooled engines with carburetor boots for 28mm, 32mm, and 36mm carburetors

These are typical air filters used. The foam style is used on all air-cooled engines. The paper type is used on liquid-cooled engines. The carburetor boots are available for 28mm, 32mm, and 36mm carburetors.

alt="Mikuni fuel pumps and throttle splitter for Cuyuna single, twin, and triple-cylinder engines with service manuals CD

These Mikuni fuel pumps are used on single, twin, and triple-cylinder engines. The throttle splitter is for dual carburetor installations.

The CD contains:

The Original Cuyuna Service Manual and Parts Manual for the 215, 430, and UL II 02 Engines

The Only Viable Service Manual for the 2si Engines

Parts Manual for the 2si Liquid-Cooled Engines

Cuyuna engine special tools including flywheel puller and piston pin puller

These are Cuyuna special tools. The flywheel puller is for all Cuyuna and most 2si engines. The piston pin puller is for all engines.

2si cog belt reduction drive parts with upper shaft, bearings, and complete unit options

These are 2si cog belt reduction drive parts. We also have an upper shaft and bearings (not pictured). New and used complete units are sometimes available.

Nova and 2si gearbox parts including bearings, seals, bushings, vent valves, drive hubs, and hardware items

We carry Nova/2si gearbox parts, such as bearings, seals, rubber isolator bushings, rubber vent valves, drive hubs, and hardware items. Complete gearboxes are available and generally used in ratios of 2.48, 2.04, 2.65, and 3.04 to one.

Call Us to Find the Parts You Need

The pictured parts are representative of our inventory but do not show all the parts we stock. Please call if you do not see the part you need.

Sell Your Old Parts

We depend upon purchases of new “old stock” and salvaged used engines for out-of-production older parts. If you have good used or new “old stock” Cuyuna or 2si spare parts or engines, please provide us a list of items, and we will make an offer to purchase.