Seamaka O-103-3 356-Piece Waterproof Connector Kit

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Product guide

Seamaka O-103-3 356-Piece Waterproof Connector Kit

Waterproof: The Seamaka O-103-3 is a claimed 356-piece automotive wiring connector kit with 1-, 2-, 3- and 4-pin housings and a crimping tool. Its stated 22–16 AWG range and male and female terminals suit wiring repairs where those wire sizes and connector formats match your project.

At a glance

The listing describes male and female connectors in 1-, 2-, 3- and 4-pin configurations.
A ratchet crimping tool and silicone rubber cable seals are stated as package contents.
The listed wire range is 22–16 AWG. The manufacturer describes use for automotive, motorcycle, truck and marine wiring.
A buckle is claimed to retain contacts in the housing while allowing disassembly.

Price

$14.99Save 21%

Reference price: ~~$18.99~~

Price checked: Nov 12, 2026

View offer Ahead of Black FridayExplore the selection

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Pros and cons

Pros

The variety of pin counts and male and female terminals can cover several wiring connection layouts in a single kit.
The claimed 22–16 AWG range gives buyers a defined starting point for matching wire size.
The manufacturer says the package includes a ratchet crimping tool and cable seals, rather than connectors alone.

Cons

The stated wire range is limited to 22–16 AWG, so projects using other wire sizes may need a different connector set.

Technical specifications

12 specifications

Identity
Brand	Seamaka
Model	O-103-3

Connector details
Connector type	Crimp
Terminals	Pin, Socket
Connector gender	both
Contact material	Brass
Insulation material	Polyvinyl Chloride
Material type	Brass, Plastic

Kit details
Pin configurations	1/2/3/4-pin
Wire range	22-16 AWG
Pack count	26
Warranty description	2 Year Manufacturer

What to know before buying

Listing details to confirm

The listing details are inconsistent about kit composition and quantity: the title and feature text claim 356 pieces across 26 sets, while a detail field gives 26 sets and the component list names only connectors. The ratchet crimper and silicone cable seals appear in the feature description but are not in that component list. Confirm the contents of the selected listing before purchase. The stated waterproof performance is a manufacturer claim, not an independently confirmed rating.

What’s in the box

ConnectorsIncluded
Ratchet crimping toolCheck selected pack
Silicone rubber cable sealsCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Automotive or motorcycle wiring repairs using 22–16 AWG wire and compatible 1- to 4-pin housings.
Buyers who want assorted male and female connectors and a claimed crimp tool in one kit.
Marine or vehicle projects where the connector format and wire range have been confirmed against the wiring requirements.

Less suited to

Projects requiring wire sizes outside the stated 22–16 AWG range.
Buyers who need a confirmed waterproof rating, precisely itemized package contents or verified tool performance before purchase.

Seamaka O-103-3 356-Piece Waterproof Connector Kit · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 475 ratings

5 stars62%62%
4 stars16%16%
3 stars9%9%
2 stars5%5%
1 star8%8%

Customer feedback is broadly favorable about quality, functionality, value and ease of use, with many five-star ratings. Reports are mixed on durability, crimping and material quality, including concerns about the tool. For buyers matching the stated wire gauge, connector assortment and tool may be useful, but feedback gives reason to pay attention to crimp results and the tool rather than assuming consistent performance.

Positive themes

Customers report favorable impressions of quality and functionality.
Feedback mentions ease of use, connectivity and value positively.

Mixed feedback

Durability and crimpability receive mixed feedback.
Some customers report concerns about the crimping tool and material quality.

Frequently asked questions

What wire sizes does the listing specify?

It specifies 22–16 AWG. Check the wire gauge on your project before choosing these connectors.

What pin configurations are described?

The listing describes 1-, 2-, 3- and 4-pin connector housings with male and female terminals.

Is a crimping tool included?

The feature description claims a ratchet crimping tool is included, but the details component list names connectors only. Check the selected listing's package contents.

Can the connectors be treated as independently verified waterproof?

No. Waterproofing is a manufacturer claim in the supplied listing, which does not provide an independent rating or test result.