SAE 30W oil is rated at ISO 100. ISO 68 is equivalent to SAE 20W oil like the Cat pressure washer oil item 22158 shown below.
MAG 1 Pressure Washer Pump Oil, 30W, Universal Use, 32oz.

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- Pressure Washer Pump Oil is a multi-purpose pump lubricant that resists foaming and aeration
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Description
Key Specs
Reviews
Q & A
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Product Summary
What's Included
- (1) Pressure Washer Pump Oil, 30W, 32 Oz.
Downloads
Features + Benefits
- Pressure Washer Pump Oil is a multi-purpose pump lubricant that resists foaming and aeration
Key Specs
| Attribute | Specification |
|---|---|
item# | 4043 |
Brand | Mag1 |
Ship Weight | 1.94 LB |
| Attribute | Specification |
|---|---|
Product Type | Oil |
Container Size | 32 oz |
Reviews
Questions & Answers
Questions
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· 8 years ago
My Cat Pump calls for an ISO 68 hydraulic oil, is the Mag 1 safe to use in Cat Pumps?
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ProductExpert13· 8 years ago
Helpful?
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lucy44· 8 years ago
order pt # 22158 special for Cat pumps. Mag 1 is not good for a Cat pump
Helpful?
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· 14 years ago
safe for general pumps? 4000psi 4gpm
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ProductExpert29· 13 years ago
This pressure washer pump oil is safe for any pump that can be used with a 30 weight, non-detergent oil, which will cover the vast majority of pumps out there.
Helpful?
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NorthstarExpert5· 14 years ago
This Pressure Washer pump oil is safe for all pressure washer pumps.
Helpful?
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· 10 years ago
Correct oil for Compressor's?
My Honda air compressor manual states to use this oil (#4043) for the compressor pump oil. However the description here states it is for presser washer pumps. Can this be used for Air Compressors. My model is 459222.
Thanks
1 answer-
ProductExpert30· 10 years ago
This is universal oil that can be used in an air compressor or a pressure washer pump.
Helpful?
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Specifications
Oil
Pump
Pump
Pump
32 oz
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-
-
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3,100
2,400
2,400
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2.5
2.2
2.2
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0.75 in
-
0.875 in
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Natural Gas
Gasoline
Gasoline
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20 lb
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-
-
-
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Aluminum
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-
-
140 °F
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-
-
0 ft
-
-
-
No
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