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Moroso 85474 Universal Air/Oil Separator Catch Can

4.6 4.6 out of 5 stars 106 ratings

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Brand Moroso
Fit Type Universal
Item Dimensions LxWxH 4.5 x 7.38 x 13.75 inches
Exterior Finish Machined
Item Weight 1.36 Kilograms

About this item

  • Package Dimensions: 13.75 L x 4.5 H x 7.25 W (inches)
  • Package Weight: 3 pounds
  • Country of Origin : United States
  • Part Number: 85474
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This Item
Moroso 85474 Universal Air/Oil Separator Catch Can
Moroso 85474 Universal Air/Oil Separator Catch Can
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Price$210.99$33.99$36.99$22.99$144.99$185.95
Delivery
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Customer Ratings
Value for money
4.4
5.0
4.2
4.4
Easy to install
4.2
5.0
4.0
4.8
Quality of material
4.3
4.3
5.0
Mileage
4.1
3.8
4.8
Sold By
Amazon.com
EVIL ENERGY
POSENG US
POSENG US
Amazon.com
Amazon.com
compatible vehicles
Car
Truck, Car
Car
Truck
capacity
300 milliliters
1 liters
150 milliliters
exterior finish
Machined
Black Powder Coat
Machined
fit type
Universal
Universal
Universal
Universal
Universal
Vehicle Specific

From the manufacturer

About Us

Moroso Performance Products is one of the suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard-core racing tools, chassis and suspension equipment and numerous other performance parts. Moroso was started in 1968. He was responsible for many innovations in the high performance industry. The Moroso heritage also continues with our constantly updated manufacturing and quality control systems.

Product Description

Air-Oil Separators have billet aluminum bodies with internal baffling and mesh media. Includes heavy duty brass inlet and outlet fittings, Fuel/Emission/PCV Vapor hose, stainless steel mounting bracket and billet aluminum mounting clamp for the body of the separator.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Moroso 85474 Universal Air/Oil Separator Catch Can


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What's in the box

  • Catch Can
  • Bracket Mount
  • Hoses
  • Hardware
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    106 global ratings

    Customers say

    Customers like the quality, appearance and ease of installation of the motor engine fuel tank. For example, they mention it's well made, looks great and is easy to mount. They're also impresseded with the larger capacity and ease to empty. That said, opinions are mixed on completeness.

    AI-generated from the text of customer reviews

    26 customers mention25 positive1 negative

    Customers are satisfied with the quality of the motor engine fuel tank. They mention it's well made, has good hardware, and is built like a tank. Customers also say that it works outstanding and is the gold standard of oil catch cans.

    "This product has extremely high quality build you can fill. Looks like it's cnc machined from stock aluminum. It has very small footage...." Read more

    "...This Catch can is very well designed and has good hardware, which allowed me to come up with a really slick mounting option...." Read more

    "...Quality built." Read more

    "The finish is very nice mounting Bracket is very nice and sturdy only complaint is it only came with 3/8 inlet and out let I did replace them with..." Read more

    25 customers mention25 positive0 negative

    Customers are satisfied with the appearance of the motor engine fuel tank. They mention that it looks and works excellent, has a great design, and is a work of art. The finish is very nice, and the mounting bracket is sturdy.

    "...easy to mount with the bracket it came with, which is also a very nice cnc cut part. I'm very pleased with this product...." Read more

    "...This Catch can is very well designed and has good hardware, which allowed me to come up with a really slick mounting option...." Read more

    "The finish is very nice mounting Bracket is very nice and sturdy only complaint is it only came with 3/8 inlet and out let I did replace them with..." Read more

    "Noting to not like, works great and show great." Read more

    6 customers mention6 positive0 negative

    Customers find the installation of the motor engine fuel tank to be easy. They mention that the bracket it came with is slick and easy to use.

    "...I've mounted it on 1972 Fiat 500 (500 cc engine). It was very easy to mount with the bracket it came with, which is also a very nice cnc cut part...." Read more

    "...and has good hardware, which allowed me to come up with a really slick mounting option...." Read more

    "...Placement in my particular case was easy, I used an aluminum L bracket and cut it down to what I needed, then drilled 2 holes in the back to..." Read more

    "...Installation was very easy, even for myself, who does not do a lot of work under the hood...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the capacity of the motor engine fuel tank. They mention that it has a larger capacity, is easy to drain, and has s a good size.

    "...Its a good size, as not too big, and it actually looks nice under the hood. The hose and all mounting hardware was included. Very nice." Read more

    "Very good quality, with alot of capacity, and the drain is nice to." Read more

    "...think it's one if the best catch cans on the market, good design, larger capacity, easy to drain, nice finish...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the drain of the motor engine fuel tank. They mention that it has a nice drain valve, and the bottom of the tank is smooth.

    "...The bottom half holds the trapped oil and has a nice drain valve, it also unscrews from the top half...." Read more

    "...Works and performs perfect, filtering out unwanted oil. The drain at the bottom is smooth, and makes emptying the unit super easy...." Read more

    "Very good quality, with alot of capacity, and the drain is nice to." Read more

    3 customers mention3 positive0 negative

    Customers find the motor engine fuel tank easy to empty. They mention that it looks nice in the engine bay and has a larger capacity.

    "...The drain at the bottom is smooth, and makes emptying the unit super easy. Well worth the money, but its not overly expensive...." Read more

    "I installed this on my Honda track car and it works like a charm. Very easy to empty, and looks nice in the engine bay." Read more

    "...the best catch cans on the market, good design, larger capacity, easy to drain, nice finish...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the oil capacity of the motor engine fuel tank. They mention that it catches plenty of oil, is good for keeping crankcase oil out of the induction system, and has a nice drain valve.

    "...The bottom half holds the trapped oil and has a nice drain valve, it also unscrews from the top half...." Read more

    "...Installed and catches plenty oil and no oil in lines coming back to pcv, works and looks good" Read more

    "Good for keeping crankcase oil out of your induction system..." Read more

    5 customers mention3 positive2 negative

    Customers are mixed about the completeness of the motor engine fuel tank. Some mention that it includes all parts for mounting and plumbing, while others say that it was missing parts.

    "...Kit comes with all of the accessories pictured but I did change the brass fittings from the original 3/8 inlet to 1/2 as another purchaser had done..." Read more

    "...I received the item and it was missing brass fittings, oil release, and brackets." Read more

    "...Includes all parts for mounting and plumbing, and made in the USA if it matters to you, it does to me...." Read more

    "When I got this item, it was missing all hose fittings, drain valve and fasteners to hold the bracket shut." Read more

    1996 Toyota Tacoma 2.7
    5 Stars
    1996 Toyota Tacoma 2.7
    Having rebuilt my Tacoma's 2.7 L engine that had 202,ish miles on it the inside of the throttle body, plenum and intake were caked with black gooey guck and took me a little while to clean them off. Having done this I wanted to protect my investment (and build) as best I could thus the purchase of this product. Kit comes with all of the accessories pictured but I did change the brass fittings from the original 3/8 inlet to 1/2 as another purchaser had done on the Amazon reviews. Placement in my particular case was easy, I used an aluminum L bracket and cut it down to what I needed, then drilled 2 holes in the back to accommodate the provided can holder and are held in place by 2 Allen screws. I did not have a need to drill any holes in my vehicle since there was already a hole there from the factory. I attached the rubber hoses (also provided) to the nozzles then attached them to the can. I place the can in the holder and measured the length needed, then cut to size. Once finalized, I tightened everything up and gave it a wiggle test to ensure there were no clanks or clunks from metal to metal contact. I started the vehicle and checked to ensure no vacuum issues were present and no codes were thrown. Only time will tell how this performs but for now I am really satisfied on fit and finish. In the picture you do not see hose clamps attached, I did add them once everything was good to go.
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on January 25, 2020
    Customer image
    5.0 out of 5 stars High qualety and ease of mounting
    Reviewed in the United States on January 25, 2020
    This product has extremely high quality build you can fill. Looks like it's cnc machined from stock aluminum. It has very small footage. I've mounted it on 1972 Fiat 500 (500 cc engine). It was very easy to mount with the bracket it came with, which is also a very nice cnc cut part. I'm very pleased with this product. Operational, I'm counting on all the good reviews I've read about it.
    Images in this review
    Customer image Customer image Customer image Customer image
    Customer imageCustomer imageCustomer imageCustomer image
    Reviewed in the United States on June 2, 2019
    Customer image
    5.0 out of 5 stars Very good design and build
    Reviewed in the United States on June 2, 2019
    I have a full 4Runner engine bay with added accessories, so for me to find a place to mount this unit, took me awhile to come up with something. This Catch can is very well designed and has good hardware, which allowed me to come up with a really slick mounting option. I do not have many miles on the unit to judge it's performance, but have read good things about the Moroso 85474 in the T4R.org forums. Thank you Moroso and Amazon.
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    5 people found this helpful
    Report
    Reviewed in the United States on June 11, 2022
    Reviewed in the United States on March 9, 2020
    Customer image
    5.0 out of 5 stars 1996 Toyota Tacoma 2.7
    Reviewed in the United States on March 9, 2020
    Having rebuilt my Tacoma's 2.7 L engine that had 202,ish miles on it the inside of the throttle body, plenum and intake were caked with black gooey guck and took me a little while to clean them off. Having done this I wanted to protect my investment (and build) as best I could thus the purchase of this product. Kit comes with all of the accessories pictured but I did change the brass fittings from the original 3/8 inlet to 1/2 as another purchaser had done on the Amazon reviews. Placement in my particular case was easy, I used an aluminum L bracket and cut it down to what I needed, then drilled 2 holes in the back to accommodate the provided can holder and are held in place by 2 Allen screws. I did not have a need to drill any holes in my vehicle since there was already a hole there from the factory. I attached the rubber hoses (also provided) to the nozzles then attached them to the can. I place the can in the holder and measured the length needed, then cut to size. Once finalized, I tightened everything up and gave it a wiggle test to ensure there were no clanks or clunks from metal to metal contact. I started the vehicle and checked to ensure no vacuum issues were present and no codes were thrown. Only time will tell how this performs but for now I am really satisfied on fit and finish. In the picture you do not see hose clamps attached, I did add them once everything was good to go.
    Images in this review
    Customer image Customer image Customer image Customer image
    Customer imageCustomer imageCustomer imageCustomer image
    3 people found this helpful
    Report
    Reviewed in the United States on May 6, 2021
    Reviewed in the United States on June 21, 2014
    15 people found this helpful
    Report
    Reviewed in the United States on September 17, 2021
    Customer image
    5.0 out of 5 stars works as advertised
    Reviewed in the United States on September 17, 2021
    Noting to not like, works great and show great.
    Images in this review
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    Customer imageCustomer image
    Reviewed in the United States on May 28, 2013
    2 people found this helpful
    Report

    Top reviews from other countries

    Mendel
    5.0 out of 5 stars Top quality Oil Catch Can!
    Reviewed in Canada on September 15, 2017
    Customer image
    Mendel
    5.0 out of 5 stars Top quality Oil Catch Can!
    Reviewed in Canada on September 15, 2017
    Addendum, and a beef:

    It be nice if Moroso provide SOME documentation. I guess I should have known, but anyway, looks like it's a good idea to lube the O-ring with oil every time you take the Can apart, and the metal rim that screws against it. Looks like a lack of lube led to that O-ring stretching on mine.

    I managed to coax it all together, but for next time I think I should have replacement O-ring. Which leads me to beef #2: Moroso, it would be nice if you published a part number for the O-ring, and made it readily available. This is not a $30 can. I'm in communication with JEGS now, hopefully we will get it sorted.

    Very solidly built, heavy, precision machined item. I've just installed it, have high expectations it will do what it's supposed to do. Will try to update, down the road.

    One question: can either hose bib be used for intake or output? Everything inside appears to be completely symmetrical, I think it doesn't matter.

    Related, and kind of a quibble: there is no instructions. It is fairly straightforward, but a piece of paper saying use either hose bib, doesn't matter, would be nice.

    Another observation: both the pipe spigots and the drain bit are VERY tight fit, getting tighter and tighter with each turn. Maybe this is by design, the threaded portion is slightly tapered? I did use plumbers teflon tape, and got at least 4 turns.

    Beefs:

    1. The supplied screws for attaching the collar to mounting bracket seem WAY to tight, too hard to screw in, pretty much impossible to use. There appears to be a daub of some sort of lock tight as well, to compound matters. Even (attempting to) wire brush the tenacious lock tight coating off, and oiling the screws, I had no luck with these, and feared I would strip the threaded hole. At least the tapped holes in the bracket are standard American, and a trip to the hardware store with the bracket, you'll find compatible bolts.

    2. There are no hose clamps, minor, and hey I was going to the hardware store for #1.

    3. The supplied hose is good quality, but only about 3 foot long. This was more than enough for my install, down low, access from below, but I can see a lot of people would run short, especially if they install at top of engine bay.

    Addendum, Jan 25th, 2018:

    Regarding the lack of hose clamps, while I've installed hose clamps at all joints, I suspect they're overkill; the hose barbs are very tight/solid connection.

    Also, drained it out after 2380 kms, mid-winter, yielded about 50 cc of cafe latte coloured liguid, a mix of water/oil/fuel I'd guess. Working good.

    Addendum: January 17, 2020:

    When disassembling the can for inspection/cleaning, found the O-riing between the two body halves stretched. Contact Moroso, who recommended to alway lube the O-ring with anti-seize, and gave me some O-ring specs:

    -------------------------------------
    Moroso 84574 Air-Oil Separator O-Ring:
    Oil-Resistant Buna-N
    Dash Number: 038
    (Relube with anti-seize periodically)
    2.614" I.D., .070" thick in Buna-N
    (66.40 mm I.D., 1.78 mm thick)
    -------------------------------------

    I was able to find this O-ring locally, bought 20 (mininum they would sell) for about 40 cents apiece. :)

    Also, added a small l-shaped baffle to the can. Legs of the angle roughly 1/4" and 3/4", with two holes in the short leg, matching the mounting screws locations on the perforated disc. Install with those screws, and made it just wide enough, so that if the level rises there will alway be room on either side of the baffle for the air to pass.

    Will see in a few months if that improves the collection rate.

    Also: revised the fittings on the can from 3/8" hose barb to 1/2", and replace all the hose accordingly with 1/2". Thinking to make it a little freer flowing, and slow down the flow.

    November 19, 2023:

    Did try the aforementioned 1/2” replumb, but it proved problematic.

    OMG the price has gone up. When I purchased it was around $190 CDN IIRC, and I thought that was extravagant.

    I’m now using two of them in series; bought one for another vehicle, install proved difficult, ended up using it myself. This catches surprisingly much extra, albeit mostly water.

    Have removed all hose clamps at barbed connections, no problems.
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    3 people found this helpful
    Report
    Keith C
    5.0 out of 5 stars Nice quality piece
    Reviewed in Canada on February 16, 2022
    Brian J.
    5.0 out of 5 stars Very nice product
    Reviewed in Canada on June 30, 2021
    dragon700p
    5.0 out of 5 stars it is better than other similar products because it has the built ...
    Reviewed in Canada on May 12, 2015
    One person found this helpful
    Report
    Amazon Customer
    5.0 out of 5 stars Well built unit
    Reviewed in Canada on November 2, 2018