Filter wrench classification

Common disposable oil filters are more than 8cm in diameter, and the top is stamped into a polygonal surface (like a large nut). To disassemble them, you need to use a special oil filter wrench.

(1) Cup filter wrench

Instructions for use: This type of filter wrench is similar to a large sleeve. Disassembling different types of filters requires wrenches of different sizes. Most of them are assembled in sets when buying.  When using the cup filter wrench The polygonal surface on the top of the oil filter is used in the same way as a socket wrench.

Design features: Each wrench can only correspond to a machine filter of one size. It needs to be used in conjunction with it. It has high manufacturing cost, is inconvenient to carry, and troublesome to use.

23Pcs Cap Type Oil Filter Wrench

(2) Three-jaw filter wrench

Instructions for use: Need to be matched with a sleeve handle or a wrench. Its internal design is a planetary row transmission mechanism, which can automatically adjust the size of the three claws according to the size of the oil filter.

Design features: It needs to be equipped with a sleeve handle or a wrench. Its internal design has a planetary row transmission mechanism, which can automatically adjust the size of the three claws according to the size of the oil filter.

Three-jaw filter wrench

(3) Ring filter wrench

Instructions for use: The structure is a ring with adjustable size, and the inside of the ring is designed to be jagged. When in use, place it on the corrugated surface on the top of the filter. The ring of the wrench on the handle will be properly locked on the corrugated surface according to the size of the filter to complete the disassembly and assembly work smoothly.

Design features: simple, convenient, can correspond to various sizes of machine filters, do not use with other parts, can improve work efficiency.

Ring filter wrench

(4) Clamp filter wrench

This filter wrench is a modified product of pliers, and its use is similar to that of carp pliers. It is simple and easy to carry, but it has a small size corresponding to the machine filter and is a simple device.

Clamp filter wrench