Onan
Lawn & Garden Engine

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

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 321 parts  |

Screw, Hex Head Cap - Hardened - 5/16-18 X 1-3/4 - Cylinder Head 114A22

#NI

All parts diagram

Screw, hex head cap - hardened - 5/16-18 x 1-3/4 - cylinder head

Part #114A22

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

Plug, Pipe - 3/8" - Oil Drain 505-110
#28

Cylinder block, oil base & gear cover group diagram

Plug, pipe - 3/8" - oil drain

Part #505-110

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

Gasket, Fuel Pump And Spacer Mounting 149A3
Gasket, fuel pump and spacer mounting

Part #149A3

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

Clamp, Air Inlet To Air Cleaner (d) 503-280
#32

Fuel system & exhaust group diagram

Clamp, air inlet to air cleaner (d)

Part #503-280

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

Camshaft - Includes Center Pin 105-140
#9

Camshaft group diagram

Camshaft - includes center pin

Part #105-140

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

Spring, Fuel Pump Priming Lever 149A404
#16

Fuel pump parts group diagram

Spring, fuel pump priming lever

Part #149A404

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

Repair Kit, Carburetor - Includes Parts Specified 142K371

#NI

All parts diagram

Repair kit, carburetor - includes parts specified

Part #142K371

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

Grommet, Spark Plug Cable - In Blower Housing 508-5
#9

Ignition group diagram

Grommet, spark plug cable - in blower housing

Part #508-5

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

Bearing, Camshaft - Rear 101A50
#35

Cylinder block, oil base & gear cover group diagram

Bearing, camshaft - rear

Part #101A50

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

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