---
product_id: 24027927
title: "FilterMAG SS365PR SS FilterMag Fits 3.50\"-4.00\" diameter Height: 2.25\""
brand: "filtermag"
price: "$291.46"
currency: USD
in_stock: true
reviews_count: 8
category: "Filter Mag"
url: https://www.desertcart.us/products/24027927-filtermag-ss365pr-ss-filtermag-fits-3-50-4-00-diameter
store_origin: US
region: United States of America
---

# Fits 3.5"-4.0" diameter 2.25" height precision fit 11.2 sq in magnetic surface area FilterMAG SS365PR SS FilterMag Fits 3.50"-4.00" diameter Height: 2.25"

**Brand:** filtermag
**Price:** $291.46
**Availability:** ✅ In Stock

## Summary

> 🧲 Catch the unseen, protect what drives you.

## Quick Answers

- **What is this?** FilterMAG SS365PR SS FilterMag Fits 3.50"-4.00" diameter Height: 2.25" by filtermag
- **How much does it cost?** $291.46 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/24027927-filtermag-ss365pr-ss-filtermag-fits-3-50-4-00-diameter)

## Best For

- filtermag enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Professionals:** Favored by race teams and pilots for reliable contamination control down to 2 microns.
- • **Durable & Reusable Design:** Built to withstand heat and vibrations without budging—set it and forget it for long-term engine protection.
- • **Maximized Magnetic Surface:** Double magnet arrays provide a total of 11.2 sq in surface area to capture microscopic iron particles.
- • **Data-Driven Engine Health Insight:** Enables real-time wear particle capture, empowering you to make informed maintenance decisions.
- • **Precision Fit for Optimal Performance:** Designed to snugly fit 3.50"-4.00" diameter filters, ensuring maximum magnetic contact.

## Overview

The SS365PR SS FilterMag is a reusable magnetic filter insert designed to fit oil filters with diameters between 3.50" and 4.00" and a height of 2.25". Featuring dual magnet arrays with a combined surface area of 11.2 sq in, it captures microscopic ferritic contaminants (2-20 microns) that standard filters miss, enhancing engine longevity and performance. Trusted by professionals and backed by strong customer reviews, it offers a durable, set-and-forget solution for proactive engine wear monitoring.

## Description

SS FilterMagFits 3.50"-4.00" diameterHeight: 2.25"Surface Area: 5.60 sq in x2 = 11.2 sq in Total2/Pkg

Review: Really works —> effective ! - Works, i.e. it’s effective. I’ve purchased 2 oil filter can opener tools for opening spin-on oil filters (thru JEGS). Race teams and pilots need to know what their engine is “up to”. Since engines can’t talk, you can’t ask them. So, you must cut the old filter open, after an oil change. Since i’ve had my FilterMags, i can see the results, and know. Not think about it, but really actually know. Data-driven decisions! Back to the point; these magnet arrays really do work. They won’t catch everything; only the ferritic contaminants. The hybrid semi-synthetic fiberglass/paper filter element in my Bosch “Distance-Plus” oil filter, catches the non-ferritic particulates, down to 20-microns. Avoid cheapie filters (paper-only media is only good down to 30-microns). Most engine wear is from what even the best “flow-thru” filters cannot catch; in the 2 to 20-micron range. That’s where FilterMag products come-in. They get all the small stuff. Clearly evident upon inspecting the inner can wall, where the FilterMag was, before moving it to the new filter at OCI. Seeing, is believing. Believe me, it is obvious. Currently have 291,000 miles on my original 1995 Mercury Grand Marquis 4.6L V8, and its OHC valvetrain is still going strong on the original timing chains, sprockets, chain guides, and hydraulic tensioners. I definitely reccomend FilterMag products. They are even better than the small single washer-style neodymium magnet I used to use (but was better than nothing). If you don’t use or cannot fit a secondary “bypass” oil filter, like big-rigs use, then this is the next best thing. No matter your main filter brand/media, FilterMag units provide coverage from 30-microns, down to 2-microns for containment of the iron wear particles, suspended in your dirty motor oil. Happy travels!
Review: Reusable - Stays in place, won't budget from vibrations or heat. Not sure how effective but can't hurt. Magnets incredibly strong so if they use the same principle for magnetic drain plugs why couldn't this be helpful in the longterm. Set and forget, reusable.

## Features

- Fits 3.50"-4.00" diameter
- Height: 2.25"
- Surface Area: 5.60 sq in x2 = 11.2 sq in Total
- 2/Pkg

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B019XF7OYM |
| Best Sellers Rank | #196,609 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #43 in Industrial Process Filter Cartridges |
| Brand Name | FilterMAG |
| Compatible Devices | Vacuum Cleaner |
| Customer Reviews | 4.8 4.8 out of 5 stars (41) |
| Included Components | Per Item Description |
| Item Weight | 1 Pounds |
| Manufacturer | FilterMAG |
| Material Type | HEPA |
| Number of Pieces | 2 |
| Reusability | Reusable |
| UPC | 812036020101 |
| Unit Count | 2 Count |
| Warranty Description | 30 Days |

## Product Details

- **Brand:** FilterMAG
- **Compatible Devices:** Vacuum Cleaner
- **Material:** HEPA
- **Number of Pieces:** 2
- **Reusability:** Reusable

## Images

![FilterMAG SS365PR SS FilterMag Fits 3.50"-4.00" diameter Height: 2.25" - Image 1](https://m.media-amazon.com/images/I/510xdZThCWL.jpg)

## Questions & Answers

**Q: is it fits 2010 Mercury Grand Marquis ?**
A: The FilterMAG #SS365PR fits ALL YEARS of the 4.6-liter engines of FORD, MERCURY, and LINCOLN vehicles.

**Q: Is this product is suitable for the type of car (2016 chevy tahoe )**
A: Your 2016 - 2017 Chevy Tahoe has a 3-inch diameter oil filter.
The SS365PR is TOO BIG for the 3-inch filter.
The SS365PR fits 3.5-4.0 inch diameter oil filters.

**Q: Anybody try with an impala? Looks like a tight fit already**
A: All years of Impalas don't take the same oil filter. You must specify the year model.
 The FilterMAG #SS365PR is a 2-piece magnet set -- with 11.4 square inches of magnetic holding power. Heat-stabilized for operating temperatures from -40 F to +300 F.
REMOVES FERROUS METAL PARTICLES THAT THE OIL FILTER CAN'T !!
Fits 3.5 to 4.0 inch diameter oil filters. Removable -- lasts a lifetime.

**Q: Will this affect the operation of the bypass valve?**
A: No, the magnets are too far away from the valve mechanism/spring. If those components were against the inner side of the filter housing then it might.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Really works —> effective !
*by U***Y on February 22, 2018*

Works, i.e. it’s effective. I’ve purchased 2 oil filter can opener tools for opening spin-on oil filters (thru JEGS). Race teams and pilots need to know what their engine is “up to”. Since engines can’t talk, you can’t ask them. So, you must cut the old filter open, after an oil change. Since i’ve had my FilterMags, i can see the results, and know. Not think about it, but really actually know. Data-driven decisions! Back to the point; these magnet arrays really do work. They won’t catch everything; only the ferritic contaminants. The hybrid semi-synthetic fiberglass/paper filter element in my Bosch “Distance-Plus” oil filter, catches the non-ferritic particulates, down to 20-microns. Avoid cheapie filters (paper-only media is only good down to 30-microns). Most engine wear is from what even the best “flow-thru” filters cannot catch; in the 2 to 20-micron range. That’s where FilterMag products come-in. They get all the small stuff. Clearly evident upon inspecting the inner can wall, where the FilterMag was, before moving it to the new filter at OCI. Seeing, is believing. Believe me, it is obvious. Currently have 291,000 miles on my original 1995 Mercury Grand Marquis 4.6L V8, and its OHC valvetrain is still going strong on the original timing chains, sprockets, chain guides, and hydraulic tensioners. I definitely reccomend FilterMag products. They are even better than the small single washer-style neodymium magnet I used to use (but was better than nothing). If you don’t use or cannot fit a secondary “bypass” oil filter, like big-rigs use, then this is the next best thing. No matter your main filter brand/media, FilterMag units provide coverage from 30-microns, down to 2-microns for containment of the iron wear particles, suspended in your dirty motor oil. Happy travels!

### ⭐⭐⭐⭐⭐ Reusable
*by A***R on April 14, 2025*

Stays in place, won't budget from vibrations or heat. Not sure how effective but can't hurt. Magnets incredibly strong so if they use the same principle for magnetic drain plugs why couldn't this be helpful in the longterm. Set and forget, reusable.

### ⭐⭐⭐⭐⭐ woks great
*by A***R on April 4, 2025*

very good

## Frequently Bought Together

- FilterMAG SS365PR SS FilterMag Fits 3.50"-4.00" diameter Height: 2.25"
- Universal Oil Filter Magnet Protect Our Performance Engine Fits: Most Cars and Trucks
- Votex - Made In USA - M14x1.5MM Magnetic Engine Oil Drain Plug w/High-Temperature Neodymium Magnet, Stainless Steel, For Acura, Audi, Chevrolet, Chrysler, Dodge, Ford, Honda, Hyundai, Jeep, Kia + More

---

## 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/24027927-filtermag-ss365pr-ss-filtermag-fits-3-50-4-00-diameter](https://www.desertcart.us/products/24027927-filtermag-ss365pr-ss-filtermag-fits-3-50-4-00-diameter)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-05*