How to make an inline coolant filter for under $10 bucks!

Justafordguy · Jul 21, 2017

I wonder if something like this would work?

https://www.amazon.com/Line-Strainer-stainless-filter-screen/dp/B00CH29IK2/ref=sr_1_6?ie=UTF8&qid=1500663206&sr=8-6&keywords=rv+water+pump+screen

1969 Bronco · Jul 21, 2017

Justafordguy said:
I wonder if something like this would work?

https://www.amazon.com/Line-Strainer-stainless-filter-screen/dp/B00CH29IK2/ref=sr_1_6?ie=UTF8&qid=1500663206&sr=8-6&keywords=rv+water+pump+screen

I think the specs on that might cause some issue:
Temperature 150 PSI @70 degrees F
Rating 100 PSI @125 Degrees F

All stainless would work albeit expensive. And the extra weight on the heater hose and heater core needs consideration as well.

76 bronco J · Jul 21, 2017

>>> another way to go is the Australian made Tefba inline filter setup, though the price of admission is more than 10 bucks.... different sizes available up to 2".... unfortunately the price has more than doubled from the original $30 range.... though I did hear it now comes with a magnet along with a fine & coarse filter screen.... think mine is the coarse screen... it caught lots stuff in the beginning from a brand new block(not rebuilt) & new radiator(lots of aluminum shavings caught)..... the V shape filter is hard to clog & you don't lose any coolant while cleaning......

mattt · Jul 26, 2017

76 bronco J said:
>>> another way to go is the Australian made Tefba inline filter setup, though the price of admission is more than 10 bucks.... different sizes available up to 2".... unfortunately the price has more than doubled from the original $30 range.... though I did hear it now comes with a magnet along with a fine & coarse filter screen.... think mine is the coarse screen... it caught lots stuff in the beginning from a brand new block(not rebuilt) & new radiator(lots of aluminum shavings caught)..... the V shape filter is hard to clog & you don't lose any coolant while cleaning......

The Tefba is a sweet filter. I'd like to have one, but at the current price last time I looked, around $85, it's not that sweet. I've searched for a used one or some other alternative, such as any factory application that I could find in a pick your part, but I've come up empty handed. Maybe some day I'll stumble onto one.

taipeichris · Nov 6, 2017

Bump bump bump to the top!

Last night I turned on the heater for the first time in about 2 years and it was luke-warm at best. I think it's about time for me to clean the filter.

Pa PITT · Nov 6, 2017

My ACE Hardware has those brass hose barbs in the summer . Not sure if they do now as It's not in season.

bradform · May 30, 2018

Great idea! I just placed the order on Amazon for about $15 total. While searching for the parts, I came across an inline pressure washer filter for about $20 the has an inspection window. Anyone used one of these and if not, what are your thoughts on it?

Inline Pressure Washer Filter

bradform · May 30, 2018

A little more research indicates the filter has a max water temp rating of 180 degrees F. Looks like that would place it below our needed max range. Oh well, it looked too good to be true.

markw · May 31, 2018

Appears the Tefba filter is no longer available. At least I couldn't find it on line.

taipeichris · Mar 27, 2019

Hi Guys,

Once again spring, then summer are almost here and the overheating season is almost here too.

I thought I'd bump this thread back to the top. I just cleaned out my inline coolant filter last weekend and it wasn't terrible but it was blocked up.

Anyway, I hope this idea gets some good use once again.

Happy Trails!

bamabaja · Mar 29, 2019

Thanks. Nice mod. That AU filter bracket looks a lot like older marine engine fuel filter brackets, many have ball valves to switch while running. Some local old boat parts places I might check out. But ur version seems best.

taipeichris · Aug 25, 2019

Here’s a mid-summer bump to the top for anyone who’s old car is over heating.
Enjoy!

Skinnyr1 · Aug 26, 2019

A typical spin on filter and base would be more beneficial than this small mesh. I have a coolant filter head and a napa 4070 on another truck I own, and it pulls out all the crap. It is plumbed in line and can be bypassed, but the theory is that eventually, all coolant will run through it.

76 bronco J · Aug 26, 2019

markw said:
Appears the Tefba filter is no longer available. At least I couldn't find it on line.

>>> here's someone selling them on ebay straight from Australia.... says they have 1.25"/32mm,1.5"/38mm & 1 3/4"/45mm available.... approximately $64.36 with free shipping to USA as of this post... yeah... kinda pricey ,but they are well built & work good.... https://www.ebay.com/itm/USA-DELIVE...179584?hash=item23a8764900:g:e4QAAOSwpdpVb3HZ

taipeichris · May 28, 2020

Hi Guys,

Here’s a bump for summer!
Keep cool and be safe!

73azbronco · May 28, 2020

FYI, 50 years of wrenching, if you keep the fluid changed, you don't have a rust issue, I have never heard of a filter helping, just my opinion.

How to make an inline coolant filter for under $10 bucks!

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