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Fast Orange Grease X is a concentrated, professional-grade mechanicโs laundry detergent designed to remove up to 99% of stubborn automotive stains and odors including grease, oil, fuel, and exhaust. Featuring a powerful built-in pre-treater and advanced soil-release technology, it not only cleans deeply but also repels future grime. Safe for all washers, it prevents grease buildup inside machines while restoring freshness to heavily soiled workwear, making it the go-to detergent for mechanics, technicians, and hardworking DIYers.





| ASIN | B01KE1VYOK |
| Brand | Fast Orange |
| Brand Name | Fast Orange |
| Customer Reviews | 4.2 out of 5 stars 3,514 Reviews |
| Formulation Type | Concentrated |
| Global Trade Identification Number | 00686226223401 |
| Included Components | Detergent (1) |
| Item Dimensions | 3.25 x 5 x 9.38 inches |
| Item Form | Liquid |
| Item Type Name | Permatex 22340 Fast Orange Grease X Mechanic's Laundry Detergent, 40 oz. |
| Item Weight | 2.9 Pounds |
| Liquid Volume | 40 Fluid Ounces |
| Manufacturer | Fast Orange |
| Material Feature | Versatile and Septic-Safe |
| Material Features | Versatile and Septic-Safe |
| Material Type Free | Material Type Free |
| Model Number | 22340 |
| Number of Items | 1 |
| Part Number | 22340 |
| Product Benefits | Antibacterial |
| Scent | Orange |
| Skin Type | All |
| Specific Uses For Product | Automotive stains and odors removal |
| UPC | 686226223401 |
| Unit Count | 40.0 Fluid Ounces |
| Warranty Description | Permatex 22340 Fast Orange Grease X Mechanic's Laundry Detergent, 40 fl. oz. |
L**A
Works
We have a heating oil delivery truck. My husband constantly gets diesel on his clothes when doing deliveries. THIS IS THE ONLY thing that works. Finally Finally. It dissolves the diesel. Very effective. It is not cheap though worth it because thereโs nothing else Iโve found actually works. I donโt know if itโs skin friendly but itโs momma friendly
9**S
An Essential In Our Laundry Room.
I have been using Fast Orange Grease X for about 4 years. I own two Harley-Davidsons and perform my own maintenance and much of my own service. This stuff is terrific for getting oil and grease and greasy dirt out of shirts and jeans and shop towels and rags. It removes solvents and gasoline and their odors as well. While it will not completely remove a heavy bearing grease stain from a shop rag it will leave it serviceably clean. Most importantly it leaves the washer and dryer clean and decent smelling and that has kept my wife off my back for a long time. I've even used it on her kitchen towels after a round of heavy baking or cooking. It works extremely well on cooking oils and kitchen grease too.
V**.
Works true to its claim.
I appreciate this detergent for greasy construction clothing and dirty farm overcoats. Reduces odors, saves wear on my machines. An improvement should be made to bottle pour sour - it drips and splatters.
A**L
Great for greasy clothes such as mechanic uniforms
Great for washing mechanic uniforms! Leaves the clothes feeling cleaner and smelling better than regular laundry soap. I recommend mixing with your usual soap.
S**A
Works great, but...
My husband is in the metal fabrication field and somedays he comes home covered in metal dust and/or some kind of fuel or hydrolic fluid *queue the facepalm* Regular detergent, even the HD Tide doesn't even phase his messes.... so I found this, marketed for mechanics and the oils and fluids they work with, so I thought I'd try it. It works well for the metal dust and the grease that follows, but it's not the best for hydrolic fluid. Takes care of gasoline and diesel fuel pretty good, although the smell of those lingers a bit after its washed, but it's better than anything else I've found. My biggest gripe - hence the 3 stars - is the seller, or whoever was in charge of getting it delivered. I ran out and needed some in a pinch and it's always been available with prime delivery, but the last two times I've ordered it, the delivery was canceled and I wasn't given a reason why, so I had to find it elsewhere (which cost me more, but it wasn't bad - worth the trade for the Amazon frustration) It's definitely a great detergent, does its job and smells orange-ish, but it'll continue getting it elsewhere.
A**A
Works well with dirty automotive mess laundry.
This really works great. My mobile mechanic spouse really gets messy after some jobs and this detergent not only cleans his clothes but cleans the washer too. I do use more than the recommended amount on the label/cap but because the saturation of some of the messes. Motor oil, brake fluid, gear grease, hydraulic fluid, and more break down and come out of the clothing. Considering a drum order if possible.
M**O
Itโs definitely works
Was working on my tractor has diesel fuel on my shirt and pants. Put them in the in the washer with other clothes and all the clothes smelt like diesel fuel after wash then twice!! bought this product re-washed all my clothes and no more diesel fuel smell
S**T
Bottle leaks (CHEAP BOTTLE CAP). Cleans diesel as advertised.
The cap of this bottle is EXTREMELY thin and cheap. Cracked in transport- same as others have reported. It's not leaking from the threading. I had a pair of elbow pads that had been left sitting in diesel for a day or two. Was unable to get the smell out hand washing, soaking with detergent, and machine washing. I used this product to soak (even though directions say this is unnecessary), then machine wash on hot. Diesel smell is gone. The perfume in this detergent is a bit strong, though I no longer get nauseous when wearing the elbow pads. 5 stars for cleanliness. 3 stars for the super cheap bottle. Guessing I lost a couple of loads of detergent from the leak.
T**Y
Great for mechanics
Great detergent for a mechanics clothing !
A**Y
Impressed with the results
perfect for removing fuel and diesel smells and cleaning oil staining, seems to take a few washes to removed long term staining but iโm impressed. using 1 cap full per wash on 40 degrees C, on a fuel truck drivers cotton/poly uniform.
S**K
Recommend this product
Works great as son is a mechanic.
T**E
Mechanics get this
Was so happy with this product. My partner is a mechanic and I was sick of seeing and smelling oil and fuel. This product says you don't need to soak but I use it yo pre soak his work clothes and the amount of oils it pulls out of the clothes is fantastic. Might just save my washing machine.
B**E
Actually works for my mechanic apprentice
The only thing that gets rid of the smell from the shop. Oil, Grease, random fluids
Trustpilot
3 weeks ago
2 weeks ago