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At the 2017 SEMA Show in Las Vegas we received a lot of great feedback regarding TopDog-V and our new product Filteröl.  We took these comments to heart and have been retooling to make some minor changes.  We are almost ready to relaunch, hopefully in about three weeks.  We will keep the SEMA special pricing in place until at least April 7, 2018.  Please see this link for further information.

We will be exhibiting at the NAFA EXPO in Anaheim, CA  on April 25-26.  If you are engaged in fleet management or operations, please let us know and we may be able to arrange for a free exhibit hall pass for you.

MagDog is only for engines with spin-on oil filters. Specifically designed to remove ferrous (metallic/magnetic) debris from the oil, the best use for MagDog is when:

  • Breaking in new or replacement engine parts
  • Racing and dirt sports,  or
  • When very frequent oil changes are required.

Each MagDog kit contains the MagDog chamber and fitted nipple, two sets of gaskets, a 1/8" access plug, a hex key, and instructions. We will need to know the full-flow filter make and model for proper fitment; or the vehicle year, make, model, and engine size. Please see links for an OEM guide or contact us if you are unsure of the size required for your vehicle or if it does not appear here as we are adding new sizes and nipples. The 20 x 1.0 mm nipple, for example, was made to satisfy a demand by Dwarf racers.

Filter Diameter

3.0" 
3.0"

3.0" .

3.0" 

3.0" 

3.0" 

3.5" 

3.5" 

3.5" 

3.5" 

3.5" 

3.5" 

3.5" 

3.5" 

4.5" 

Filter Thread/Pitch

3/4"-16

13/16"-16

10mm x 1.0.

18mm x 1.5

20mm x 1.5

22mm x 1.5

3/4"-16

13/16"-16

10mm x 1.0

18mm x 1.5

20mm x 1.5

22mm x 1.5

1"-12

1"-16

1"-16

PPI Reference Number

MD30A

MD30C

MD30X

MD30D

MD30E

MD30F

MD35A

MD35C

MD35X

MD35D

MD35E

MD35F

MD35G

MD35H

MD45H

Price

$80.00

$80.00

$80.00

$80.00

$80.00

$80.00

$90.00

$90.00

$90.00

$90.00

$90.00

$90.00

$90.00

$90.00

$125.00

MagDog comes ready to install, with a limited warranty to the original purchaser for a period of two (2) years from the purchase date under normal use and service against defective materials or workmanship. This warranty is void if the unit has been damaged by accident, unreasonable use, improper installation or service, or other causes not arising out of defects in material or workmanship. MagDog may be returned to PPI unused, in its original packaging, within three months of purchase. A restocking fee may be charged.   Shipping (US addresses) and taxes are included in the cost.

See a MagDog installation and maintenance side show overview >>

Note: Due to its different internal architecture, MagDog cannot be upgraded to TopDog-V.