Onan
Lawn & Garden Engine

Model # 6CCK-331M/1887E Official Onan gas engine & generator

Here are the diagrams and repair parts for Official Onan 6CCK-331M-1887E gas engine & generator, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 321 parts  |

Bracket, Governor Spring - Fastens To Governor Arm (d) 150A753
#49

Cylinder block, oil base & gear cover group diagram

Bracket, governor spring - fastens to governor arm (d)

Part #150A753

The manufacturer no longer makes this part, and there's no substitute part

Band, End Bell (30402) 234C2
#20

Generator group diagram

Band, end bell (30402)

Part #234C2

The manufacturer no longer makes this part, and there's no substitute part

Lead, Coil To Breaker Box - 20" (d) 336A219
#25A

Ignition group diagram

Lead, coil to breaker box - 20" (d)

Part #336A219

The manufacturer no longer makes this part, and there's no substitute part

Holder, Ac Brush - Lower (30599) (b, C, D) 212B1160
#16A

Generator group diagram

Holder, ac brush - lower (30599) (b, c, d)

Part #212B1160

The manufacturer no longer makes this part, and there's no substitute part

Key, Camshaft Gear Mounting 515-1
Key, camshaft gear mounting

Part #515-1

The manufacturer no longer makes this part, and there's no substitute part

Armature Assembly - Includes Blower And Bearing (d) 201A1041

#NI

All parts diagram

Armature assembly - includes blower and bearing (d)

Part #201A1041

The manufacturer no longer makes this part, and there's no substitute part

Cap, Breather Tube Rubber (b, C) 123A73
#12

Cylinder block, oil base & gear cover group diagram

Cap, breather tube rubber (b, c)

Part #123A73

The manufacturer no longer makes this part, and there's no substitute part

Tube, Breather - Less Valve - Includes Baffle (b, C, D) 123A620
#13C

Cylinder block, oil base & gear cover group diagram

Tube, breather - less valve - includes baffle (b, c, d)

Part #123A620

The manufacturer no longer makes this part, and there's no substitute part

Shoe, Pole - Field (30397) 221B118
#12

Generator group diagram

Shoe, pole - field (30397)

Part #221B118

The manufacturer no longer makes this part, and there's no substitute part

Housing, Cylinder Air - Right Hand (#2 Cylinder) 134C588
#4

Housing,stop button,grnd strap & pressure gauge group diagram

Housing, cylinder air - right hand (#2 cylinder)

Part #134C588

The manufacturer no longer makes this part, and there's no substitute part

Effective articles & videos to help repair your lawn & garden engines

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…