FilterMags for spin-on oil and fuel filters, automatic transmissions, differentials, and gearboxes

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SS-365 Large, Pair, Maximum Protection

The SS365PR fits spin-on filter diameters from 3.5 in. (89mm) to 4.0 in. (102mm).

SS-300 Medium, Pair, Maximum Protection

The SS300PR fits spin-on filter diameters from 2.9 in. (74mm) to 3.4 in. (86mm).

SS-250 Small, Pair, Maximum Protection

The SS250PR fits spin-on filter diameters from 2.5 in. (64mm) to 2.8 in. (71mm).

SS-365 Large, Powerful Protection

SS365 fits spin-on filter diameters from 3.5 in. (89mm) to 4.0 in. (102mm).

SS-300 Medium, Powerful Protection

The SS300 fits spin-on filter diameters from 2.9 in. (74mm) to 3.4 in. (86mm).

SS-250 Small, Powerful Protection

The SS250 fits spin-on filter diameters from 2.5 in. (64mm) to 2.8 in. (71mm).

MC-300 Medium, Chrome, Pair, Maximum Protection

The MC300PR has a chrome faceplate. The FilterMag logo can be removed. Fits spin-on filter diameters from 2.9 in. (74mm) to 3.4 in. (86mm).

MB-300 Medium, Black, Pair, Maximum Protection

The MB300PR has a paintable matte black faceplate. It fits spin-on filter diameters from 2.9 in. (74mm) to 3.4 in. (86mm).

MC-300 Medium, Chrome, Powerful Protection

The MC300 (chrome) is perfect for American motorcycles that only have room for a single FilterMag installation. The MC300 has additional magnetic power than the SS300 to provide full protection to your bike’s engine. It fits spin-on filter diameters from 2.9 in. (74mm) to 3.4 in. (86mm).

MB-300 Medium, Black, Powerful Protection

The MB300 (paintable matte black) is perfect for American motorcycles that only have room for a single FilterMag installation. The MB300 has additional magnetic power than the SS300 to provide full protection to your bike’s engine. It fits spin-on filter diameters from 2.9 in. (74mm) to 3.4 in. (86mm).

TM-360 for Automatic Transmissions, Maximum Protection

The FilterMag TM360 is designed to snap externally on automatic transmission fluid pans. Use the TM360 with double the magnetic power of the TM180 for full protection.

TM-180 for Automatic Transmissions, Powerful Protection

The FilterMag TM180 is designed to snap externally on automatic transmission fluid pans. Use the TM360 with double the magnetic power of the TM180 for full protection.

GP-101 for Differentials and Gearboxes

The FilterMag GP101 is designed to be installed internally on the inside cover of differentials and gearboxes during servicing.

Out of stock

FM-001 Filter Cutter

Prove the effectiveness of FilterMag by inspecting your own filter. FilterMag’s Filter Cutter is a high-quality tool that makes fast work out of safely cutting open a spin-on filter.  Opens all filter diameters from 2.25 - 5.5 inches (57 - 140mm).

$99.99

FilterMag Shaker Bottle Technology Demonstrator

Demonstrator consists of a plastic bottle filled with vegetable oil (about the same viscosity as hot engine oil) and metallic particles. Remove the FilterMag, shake the bottle to mix the particles with the oil, and place the FilterMag on the bottle. Watch how quickly the FilterMag attracts and holds the particles against the inside wall of the bottle. Shake the bottle more and the oil will become even cleaner. The FilterMag that comes with the demonstrator is not for vehicle use.

FilterMag Attractive Forces Cap—Black

Black cap with red stitching. Attractive Forces At Work embroidered logo on the front. Made in USA logo on the side. FilterMag logo on the back. Adjustable with velcro strap.  

FilterMag Attractive Forces Cap—Green Camo

Camo cap. Attractive Forces At Work embroidered logo on the front. Made in USA logo on the side. FilterMag logo on the back. Adjustable with velcro strap.

FilterMag Subdued Magnet Cap—Gray

Gray and black cap. Subdued energized magnet logo embroidered logo on the front. Stylish Made in USA logo on the side. FilterMag logo on the back. Adjustable with velcro strap.