Luber Finer PH500 "equivalent" to the 05184231AA1 from Chrysler

fdp: The form of the base does not allow the retention valve to seal. You can also see this in the new filters cut.

fdp FH-105 with the barbs that keep the retention valve from sealing

fdp FH-105

fdp (Faderpa, Bolivia) it says "Heavy Duty" and "Export". It is far from that.

Close up PH2849A and non-sealing valve

Standard Parts 90915-30002 clogged by poor oil and soot-filled from poor combustion

Standard Parts MD 069782 falling apart with glue in powdery globs

Standard Parts 90915-10002 with the end cap falling off

Nissan 1520831U0B

Nissan

Massey Fergusson 1447048M1

Mann WP1240 Made in Chile. Collapsed and perforated in a Isuzu with 6000 km

Mann W6 Multi 20

MD3326871 no brand, but identified as for Mitsubishi

MD 069782 with 4800 km in a Mitsubishi diesel pickup

Lys LF-80

Lys FL-54 collapsed causing the dirty oil to circulate

Luber Finer LFP-5971 - A "combo" full flow and bypass filter

Fram PH9837 with a poor seal around the center tube

Fram PH9837 with a rusty base

Fram PH966B collapsed in 4000 km

Fram Extra Guard PH2849A with a bad seal between the tube and valves

Close up of the Mann WP1240 showing the hole in the paper element

Donaldson P554770 with 6000 km

Donaldson P553771

Donaldson P550008 with 6800 km y Standard Parts "equivalent" with 3300 km

Donaldson P502063

Chrysler 05184231AA1 used in 3.7 engines as of 2009

Autotec filter with assorted contaminants

Highfil FH513 with 2000 km in a Toyota diesel with poor oil and poor combustion

The filter of an engine puffing out black smoke

The insides of a collapsed Fram PH-8A

Engine wear particles caused by failed PH8A filter

Fram PH8A retention valve hard as a rock after 1800 miles in a Toyota Land Cruiser

Fram PH8A with a piece of filter media missing, leaving dirt to pass through to the engine

Close up of hole in Fram PH8A shows an apparent tear in manufacturing. Note various parts where paper was pulled into center tube.

Donaldson P551343 Combo full flow and Bypass

Fram - Burrs and perforations in center tube prevent sealing against metal valves

Fram - Perforated tube does not seal against metal spring

Fram PH-8A with rusty spring

Donaldson P502007 after 4000 miles in a Mitsubishi Montero

Closeup of Donaldson P502007 after 4000 miles of use

Close up of holes worn in filter by a sharp center tube. End caps fell off and rubber valve is hard

Fram PH49A for CAT with a small rubber seal and weak spring

Comparison of thin rubber seal on Fram PH49A and Donaldson P554004 (on right)

Donaldson P502016

Fram PH16 with bad seal at tube and partially colapsed media