Offshore Marine Down Arrow Icon

St. Thomas, US Virgin Islands
340.776.5432

Offshore Marine is a well-stocked provider of marine and boat engine parts at prices that can’t be matched! Our inventory includes both current parts and hard-to-find discontinued parts. We carry a variety of caps, cap assemblies, plug caps, gasket caps, valve caps, oil tank caps, and plug caps for Mercruiser, Yamaha, and Yanmar Marine boat engines. You will not find better prices on boat engine caps anywhere. If you have questions about any of our boat engine parts, email us at info@offshorevi.com. Or ORDER TODAY below and have your engine parts shipped to you right away, with RUSH service available.

Note: Searching by the middle five digits will list all available parts for that group.

Shipping Charges Notice: Shipping to the U.S. only at this time.  The shipping fee associated with this order is estimated based on using the flat rate option provided by the US Post Office, as this works well for the majority of our products. However, if your order contains large items or multiple items that will require multiple boxes, we will contact you with an adjusted shipping total for approval before we ship your order.

Limit Search to Manufacturer

Part Number
Description
Manufacturer
Price
Web Price
Part Number 688-44194-00-00
Description

CAP

Manufacturer Yamaha
Price $17.99
Web Price $8.99
Part Number 663-45119-00-00
Description

CAP,GREASE NIPPLE

Manufacturer Yamaha
Price $6.80
Web Price $3.40
Part Number 99999-02231-00
Description

CAP,LOWER CASING

Manufacturer Yamaha
Price $145.30
Web Price $72.65
Part Number 36-811569
Description

CAP-OIL FILL

Manufacturer Mercruiser
Price $18.77
Web Price $9.38
Part Number 6H1-2177H-02-00
Description

DISK CAP 2

Manufacturer Yamaha
Price $78.99
Web Price $39.49
Part Number 682-82370-00-00
Description

PLUG CAP ASY

Manufacturer Yamaha
Price $38.99
Web Price $19.50
Part Number 119260-11370
Description

VALVE CAP @

Manufacturer Yanmar Marine
Price $7.99
Web Price $4.00
Part Number 67F-13448-00-00
Description

CAP

Manufacturer Yamaha
Price 7.99
Web Price 4
Part Number 6G5-43145-01-00
Description

CAP, CLAMP BRACKET

Manufacturer Yamaha
Price 15.3
Web Price 7.65
Part Number 6G8-82370-30-00
Description

PLUG CAP ASSY

Manufacturer Yamaha
Price 53.99
Web Price 27
Part Number 6E0-24641-00-00
Description

GASKET,CAP 1

Manufacturer Yamaha
Price 16.3
Web Price 8.15
Part Number 6E5-43145-01-00
Description

CAP, CLAMP BRACKET

Manufacturer Yamaha
Price 9.30
Web Price 4.65
Part Number 676-82577-01-00
Description

CAP, KEY

Manufacturer Yamaha
Price 8.80
Web Price 4.40