---
product_id: 266434942
title: "Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8\" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole"
brand: "slippery pete"
price: "¥9524"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/266434942-slippery-pete-lower-unit-adapter-kit-for-pumping-gear-oil
store_origin: JP
region: Japan
---

# 360° swivel 3/8" barb adapter 3 precision aluminum adapters 100% USA inspected & packaged Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole

**Brand:** slippery pete
**Price:** ¥9524
**Availability:** ✅ In Stock

## Summary

> ⚓ Gear up like a pro — never let your outboard run dry!

## Quick Answers

- **What is this?** Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole by slippery pete
- **How much does it cost?** ¥9524 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/266434942-slippery-pete-lower-unit-adapter-kit-for-pumping-gear-oil)

## Best For

- slippery pete enthusiasts

## Why This Product

- Trusted slippery pete brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Proudly Made in USA:** Every kit is 100% inspected and packaged domestically, guaranteeing quality and reliability you can trust.
- • **360° Swivel Adapter:** Innovative 3/8" swivel barb adapter allows effortless maneuvering and hassle-free oil pumping in tight spaces.
- • **Durable Aluminum Build:** Crafted from lightweight yet robust aluminum to resist corrosion and ensure long-lasting performance on the water.
- • **Precision Fit Adapters:** Includes 8mm and 10mm adapters with exact threading for a secure, leak-free connection every time.
- • **Universal Compatibility:** Fits all major domestic & import outboard lower unit fill holes (except Volvo Penta) for seamless gear oil pumping.

## Overview

The Slippery Pete Lower Unit Adapter Kit features three precision-machined aluminum adapters—including a 360° swivel 3/8" barb and 8mm & 10mm threaded fittings—designed to fit nearly all major domestic and import outboard motor lower unit fill holes (excluding Volvo Penta). Lightweight, corrosion-resistant, and 100% USA inspected, this kit ensures quick, clean, and reliable gear oil pumping for 4-stroke petrol engines with transom mounts.

## Description

Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole

## Features

- ⚓ Fits Most Major Domestic and Import Outboard Motor Lower Unit Fill Hole (WON'T FIT VOLVO PENTA)
- 🚤 1 Aluminum 3/8"-16 UN thread x 1/4" barb SWIVEL adapter (See Picture #2)
- ⚓ 1 Aluminum 10mm - 1.25mm x 3/8"-16 NC Adapter (See Picture #3)
- 🚤 1 Aluminum 8mm - 1.25mm x 3/8" - 16 NC Adapter (See Picture #4)
- ⚓ 100% Inspected and Packaged in the USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Slippery Pete |
| Item Weight | 0.02 Kilograms |
| Material | Aluminium |
| Engine Type | 4 Stroke |
| Operation Mode | Electric |
| Mounting Type | Transom Mount |
| Fuel Type | Petrol |
| Manufacturer | Slippery Pete |
| UPC | 855375008171 |
| Item model number | Lower Unit Adapters |
| ASIN | B083VTGXZ2 |

## Product Details

- **Brand:** Slippery Pete
- **Item Weight:** 0.02 Kilograms
- **Material:** Aluminium
- **Engine Type:** 4 Stroke
- **Operation Mode:** Electric

## Images

![Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole - Image 1](https://m.media-amazon.com/images/I/81G9xxEGA8L.jpg)
![Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole - Image 2](https://m.media-amazon.com/images/I/814Q3ckcZML.jpg)
![Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole - Image 3](https://m.media-amazon.com/images/I/81ZP9rqynuL.jpg)
![Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole - Image 4](https://m.media-amazon.com/images/I/81qdOWlNmXL.jpg)
![Slippery Pete - Lower Unit Adapter Kit for Pumping Gear Oil into Outboard Boat Motors, 3/8" Swivel, 8mm and 10mm Adapters, Fits All Major Domestic and Import Outboard Motor Lower Unit Fill Hole - Image 5](https://m.media-amazon.com/images/I/71+1sPKqIVL.jpg)

## Frequently Bought Together

- Lower Unit Adapters fit Most Major Brands Outboard Motor(3/8 inch Swivel/10mm/8mm) DOES NOT FIT VOLVO PENTA
- ZKTOOL Aluminum Automotive Cooling System Radiator Pressure Tester Tool,Pressure Test Pump with Pressure Gauge, Aluminum Hand Pump.Compatible with adapters for Various car Models.
- Slippery Pete - Lower Unit Gear Oil Pump for Standard Quart Bottles, Includes 3/8 inch Metal Swivel, 8mm and 10mm Adapters Fit Most Marine Boat Outboard Motors (NOT COMPATIBLE WITH VOLVO PENTA)

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**Shop now:** [https://www.desertcart.jp/products/266434942-slippery-pete-lower-unit-adapter-kit-for-pumping-gear-oil](https://www.desertcart.jp/products/266434942-slippery-pete-lower-unit-adapter-kit-for-pumping-gear-oil)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-22*