Outboard Motor parts and their functions

4 top-level parts · 20 parts in total · full bill of materials below

#	Part	Qty	What it does
1	Powerhead 4 parts	1×	Marine four-stroke engine block.
2	Gearcase 5 parts	1×	Lower unit with prop shaft and water pump.
3	Engine Cowling	1×	Vented engine cover.
4	Oil Seal	2×	Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour

product / assembly shared across products atomic part related product

+ − Fit Expand all Collapse ↗ Share ⤢

BOMwiki

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Outboard Motor

4 top-level lines · 13 rows shown · 20 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Powerhead 4 parts	houseboat-powerhead	1×	1	10	assembly
1.1	Engine Block	houseboat-engine-block	1×	1	·	part
1.2	Crankshaft	houseboat-crankshaft	1×	1	·	part
1.3	Piston & Rod	houseboat-piston	4×	4	·	part
1.4	Ball Bearing	ball-bearing	4×	4	·	part
2	Gearcase 5 parts	houseboat-gearcase	1×	1	7	assembly
2.1	Helical Gear Pair	gear-pair	1×	1	·	part
2.2	Propeller Shaft	houseboat-prop-shaft	1×	1	·	part
2.3	Impeller Water Pump	houseboat-water-pump	1×	1	·	part
2.4	Ball Bearing	ball-bearing	2×	2	·	part
2.5	Oil Seal	oil-seal	2×	2	·	part
3	Engine Cowling	houseboat-cowling	1×	1	·	part
4	Oil Seal	oil-seal	2×	2	·	part

Something wrong in this list? Report a problem with this BOM.

Where the outboard motor is used

1 product across 1 domain contain it, directly or inside a sub-assembly

• Marine 1 Houseboat

Used in 1 assembly

Outboard Propulsion

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $2–$500. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Inovance inovance.com ↗	Shenzhen, CN	Drives & motion control	500 units	10–14 wks
🇮🇳Sona Comstar sonacomstar.com ↗	Gurugram, IN	EV driveline & motors	500 units	10–14 wks
🇨🇳Broad-Ocean broad-ocean.com ↗	Zhongshan, CN	Electric motors	500 units	10–14 wks
🇸🇬Nidec (Singapore) nidec.com ↗	Singapore	Motors, regional ops	500 units	10–14 wks
🇮🇳Bosch India bosch.in ↗	Bengaluru, IN	Automotive components	500 units	10–14 wks