---
product_id: 1670466
title: "Oil Equipment Mfg 3100 SpeedFill Oil Tank Fill Cap"
brand: "rheem"
price: "$58.56"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/1670466-oil-equipment-mfg-3100-speedfill-oil-tank-fill-cap
store_origin: US
region: United States of America
---

# Water-resistant design Durable aluminum zinc Compatible with Unifill Oil Equipment Mfg 3100 SpeedFill Oil Tank Fill Cap

**Brand:** rheem
**Price:** $58.56
**Availability:** ✅ In Stock

## Summary

> 🔧 Secure Your Oil, Secure Your Future!

## Quick Answers

- **What is this?** Oil Equipment Mfg 3100 SpeedFill Oil Tank Fill Cap by rheem
- **How much does it cost?** $58.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/1670466-oil-equipment-mfg-3100-speedfill-oil-tank-fill-cap)

## Best For

- rheem enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit:** Designed specifically for the Unifill system, guaranteeing compatibility.
- • **Easy Installation:** Quick and hassle-free setup, so you can get back to business.
- • **Industry Standard:** The most trusted fill cap in the oil industry, used by professionals.
- • **Ultimate Protection:** Seals out dirt and water, ensuring your oil tank remains pristine.
- • **Unmatched Durability:** Crafted from high-quality aluminum zinc for long-lasting performance.

## Overview

The Oil Equipment Mfg 3100 SpeedFill Oil Tank Fill Cap is a premium aluminum zinc cap designed to keep your oil tank clean and protected from dirt and water. As the most commonly used fill cap in the oil industry, it ensures a perfect fit with the Unifill system, making it a reliable choice for professionals.

## Description

Alum oil heat fill cap most commonly found on heating oil and diesel tanks. Cap fits over the pipe adapter, when cap is removed, the fuel joil nozzle is attached to begin the fill.

## Features

- aluminum zinc fill cap
- keeps dirt and water out of your oil tank
- most commonly used oil fill cap in the oil industry
- Fits the Unifill system

## Product Details

- **Brand:** Rheem
- **Color:** Metal
- **Material:** Aluminum
- **Exterior Finish:** Zinc
- **Item dimensions L x W x H:** 3 x 3 x 1 inches

## Images

![Oil Equipment Mfg 3100 SpeedFill Oil Tank Fill Cap - Image 1](https://m.media-amazon.com/images/I/512xHS9qwSL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/1670466-oil-equipment-mfg-3100-speedfill-oil-tank-fill-cap](https://www.desertcart.us/products/1670466-oil-equipment-mfg-3100-speedfill-oil-tank-fill-cap)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-04*