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20 Best Oil For Portable Generator (2022 Updated)

Oil for portable generators is used as a lubricant and fuel. It helps keep the engine running smoothly and efficiently while providing a consistent source of power.

20 Best Oil For Portable Generator

Product Image Product Name Features Price

Honda 10W30 Engine Oil (1 Quart)

  • Honda genuine oil is engineered for today’s high revving 4-stroke engines
  • Honda genuine oil exceeds all requirements for API service classifications SM, all new Honda power equipment

Briggs & Stratton SAE 5W-30 Synthetic Small Engine Motor Oil – 32 oz. 100074

  • Genuine Briggs & Stratton Product OEM Part Number
  • For Use In All Air Cooled 4-cycle Engines

Liqui Moly 5L Top Tec 4200 Motor Oil 5W-30 – 2011

  • 5 L

Cummins Oil 15W 40

  • 32 oz. factory tested oil
  • Provides maximum protection for engines
  • Reduces consumption and engine wear

Liqui Moly 5L Longtime High Tech Motor Oil 5W-30

  • 5 Liter

Briggs & Stratton 100005 Lawn Mower Oil, 18 fl-oz Capacity

  • High quality SAE30 oil
  • Specially formulated for higher operating temperatures of air cooled engines
  • This OEM oil ensures proper fit and performance to maintain the life of your Briggs and Stratton equipment

Opti 2-Cycle Oil 34-oz. 20112

  • Exceeds all equipment manufacturers rating requirements.
  • One gas can covers All two-cycle engines.
  • Highest rated 2-cycle oil in industry.

Liqui Moly 2249 5 Liter 5W-30 Special Tec LL Motor Oil

  • Short Label: WARNING: Cancer and Reproductive Harm
  • Both Cancer and Reproduction.TIFProp 65 Yes/No: YesTitle: LIQUI MOLY Engine Oil

Quaker State Advanced Durability Motor Oil, SAE 10W-30 – 1 qt

  • Meets or exceed tough standards for protection under high-temperature and severe service conditions
  • Provides consistent rust protection caused by harmful acids generated by engine contaminations

Briggs and Stratton 4-Cycle Oil, 18 oz

  • High quality SAE30 oil
  • Specially formulated for higher operating temperatures of air cooled engines
  • This OEM oil ensures proper fit and performance to maintain the life of your Briggs and Stratton equipment

Sierra Full Synthetic Engine Oil SAE 30 – 5 qt

  • 5 Quart

Liqui Moly 5L Top Tec 4100 Motor Oil 5W-40

  • Short Label: WARNING: Cancer and Reproductive Harm
  • Both Cancer and Reproduction.TIFProp 65 Yes/No: YesTitle: LIQUI MOLY Engine Oil

Briggs & Stratton 48-oz 4-Cycle 30W Conventional Engine Oil | 100028

  • 48-Oz 4

Quicksilver 25W-40 Synthetic Marine Engine Oil

  • Flagship Engine and Corrosion Protection – Industry leading strength and viscosity retention and ultimate corrosion and wear protection.

Universal SAE30 4 Stroke Oil for All Lawnmowers and 4 Stroke Engines – 0.6 L

  • High quality oil specially designed for use with petrol powered garden care products with four stroke engines
  • Comes in a handy 0.6 L bottle which is the exact amount needed for all McCulloch four stroke lawnmowers and most other lawnmower tanks

Briggs & Stratton 100008E 4-Stroke Lawn Mower Engine Oil SAE30, 2.0 Litre

  • 2.0 L
Honda 10W30 Engine Oil (1 Quart)
  • Honda genuine oil is engineered for today’s high revving 4-stroke engines
  • Honda genuine oil exceeds all requirements for API service classifications SM, all new Honda power equipment
Briggs & Stratton SAE 5W-30 Synthetic Small Engine Motor Oil – 32 oz. 100074
  • Genuine Briggs & Stratton Product OEM Part Number
  • For Use In All Air Cooled 4-cycle Engines
Liqui Moly 5L Top Tec 4200 Motor Oil 5W-30 – 2011
  • 5 L
Cummins Oil 15W 40
  • 32 oz. factory tested oil
  • Provides maximum protection for engines
  • Reduces consumption and engine wear
Liqui Moly 5L Longtime High Tech Motor Oil 5W-30
  • 5 Liter
Briggs & Stratton 100005 Lawn Mower Oil, 18 fl-oz Capacity
  • High quality SAE30 oil
  • Specially formulated for higher operating temperatures of air cooled engines
  • This OEM oil ensures proper fit and performance to maintain the life of your Briggs and Stratton equipment
Opti 2-Cycle Oil 34-oz. 20112
  • Exceeds all equipment manufacturers rating requirements.
  • One gas can covers All two-cycle engines.
  • Highest rated 2-cycle oil in industry.
Liqui Moly 2249 5 Liter 5W-30 Special Tec LL Motor Oil
  • Short Label: WARNING: Cancer and Reproductive Harm
  • Both Cancer and Reproduction.TIFProp 65 Yes/No: YesTitle: LIQUI MOLY Engine Oil
Quaker State Advanced Durability Motor Oil, SAE 10W-30 – 1 qt
  • Meets or exceed tough standards for protection under high-temperature and severe service conditions
  • Provides consistent rust protection caused by harmful acids generated by engine contaminations
Briggs and Stratton 4-Cycle Oil, 18 oz
  • High quality SAE30 oil
  • Specially formulated for higher operating temperatures of air cooled engines
  • This OEM oil ensures proper fit and performance to maintain the life of your Briggs and Stratton equipment
Sierra Full Synthetic Engine Oil SAE 30 – 5 qt
  • 5 Quart
Liqui Moly 5L Top Tec 4100 Motor Oil 5W-40
  • Short Label: WARNING: Cancer and Reproductive Harm
  • Both Cancer and Reproduction.TIFProp 65 Yes/No: YesTitle: LIQUI MOLY Engine Oil
Briggs & Stratton 48-oz 4-Cycle 30W Conventional Engine Oil | 100028
  • 48-Oz 4
Quicksilver 25W-40 Synthetic Marine Engine Oil
  • Flagship Engine and Corrosion Protection – Industry leading strength and viscosity retention and ultimate corrosion and wear protection.
Universal SAE30 4 Stroke Oil for All Lawnmowers and 4 Stroke Engines – 0.6 L
  • High quality oil specially designed for use with petrol powered garden care products with four stroke engines
  • Comes in a handy 0.6 L bottle which is the exact amount needed for all McCulloch four stroke lawnmowers and most other lawnmower tanks
Briggs & Stratton 100008E 4-Stroke Lawn Mower Engine Oil SAE30, 2.0 Litre
  • 2.0 L

1. Honda 10W30 Engine Oil (1 Quart)

Honda 10W30 Engine Oil (1 Quart)

  • Honda genuine oil is engineered for today’s high revving 4-stroke engines
  • Honda genuine oil exceeds all requirements for API service classifications SM, all new Honda power equipment
  • For use as a lubricant

Check Latest Price

Sold By Price
Amazon.com – Seller
Pressure Washers Direct
Camping World
Electric Generators Direct

Product Details

Reviews From Real Customers

Rich K.

2. Briggs & Stratton SAE 5W-30 Synthetic Small Engine Motor Oil – 32 oz. 100074

Briggs & Stratton SAE 5W-30 Synthetic Small Engine Motor Oil - 32 oz. 100074

  • Genuine Briggs & Stratton Product OEM Part Number
  • For Use In All Air Cooled 4-cycle Engines

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart – Equipatron
Rural King

Product Details

Specifications

Details
SAE Grade SAE 5W-30
Container Size 32 Oz
Engine Type 4 Cycle
Package Quantity 1
Country of Origin United States of America

3. Liqui Moly 5L Top Tec 4200 Motor Oil 5W-30 – 2011

Liqui Moly 5L Top Tec 4200 Motor Oil 5W-30 - 2011

  • 5 L

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Sold By Price
Amazon.com
Walmart
NAPA Auto Parts
ECS Tuning

Product Details

Specifications

Details
Package Information Jug
Viscosity 5W-30
Vehicle Service Type Car
Flash Point 230 Degrees Celsius
Liquid Volume 5000 Milliliters

4. Cummins Oil 15W 40

Cummins Oil 15W 40

  • 32 oz. factory tested oil
  • Provides maximum protection for engines
  • Reduces consumption and engine wear

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Sold By Price
Amazon.com – Seller
eBay
Walmart
Cummins

Product Details

Specifications

Details
Weight 4 lb

Reviews From Real Customers

M.C.
C.C.
P.W.

5. Liqui Moly 5L Longtime High Tech Motor Oil 5W-30

Liqui Moly 5L Longtime High Tech Motor Oil 5W-30

  • 5 Liter

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Sold By Price
Amazon.com – Seller
eBay
Walmart
FCP Euro

Product Details

Specifications

Details
Part Type Engine Oil
Oil Type Synthetic
Oil Weight 5W30
ZDDP Enhanced No
API Rating SM/CF

6. Briggs & Stratton 100005 Lawn Mower Oil, 18 fl-oz Capacity

Briggs & Stratton 100005 Lawn Mower Oil, 18 fl-oz Capacity

  • High quality SAE30 oil
  • Specially formulated for higher operating temperatures of air cooled engines
  • This OEM oil ensures proper fit and performance to maintain the life of your Briggs and Stratton equipment

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart – Buckeye Tool Supply
Rural King

Product Details

Specifications

Details
Package Quantity 1

7. Opti 2-Cycle Oil 34-oz. 20112

Opti 2-Cycle Oil 34-oz. 20112

  • Exceeds all equipment manufacturers rating requirements.
  • One gas can covers All two-cycle engines.
  • Highest rated 2-cycle oil in industry.
  • A single mix for all two-cycle engines.

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Walmart
Max Warehouse

Product Details

Reviews From Real Customers

mojajam-pk9xxiidpz
reuterbandit
markg1490

8. Liqui Moly 2249 5 Liter 5W-30 Special Tec LL Motor Oil

Liqui Moly 2249 5 Liter 5W-30 Special Tec LL Motor Oil

  • Short Label: WARNING: Cancer and Reproductive Harm
  • Both Cancer and Reproduction.TIFProp 65 Yes/No: YesTitle: LIQUI MOLY Engine Oil

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart
FCP Euro

Product Details

Specifications

Details
Bundle 5 Liter Canister plastic
Country of Origin (Primary) DE
MSDS Sheet Number 5406-90
Refurbished Part N
Remanufactured Part N

9. Generac Full Synthetic 5W30 Engine Oil – 12 qt

Generac Full Synthetic 5W30 Engine Oil - 12 qt

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Sold By Price
Amazon
Electric Generators Direct
Power Equipment Direct

Product Details

Reviews From Real Customers

Mark K.
Nelson R.
David F.

10. STP 32 oz. Four-Cycle Oil SAE 10W-30

STP 32 oz. Four-Cycle Oil SAE 10W-30

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Sold By Price
Amazon
Harbor Freight Tools

Product Details

Specifications

Details
Application 4-cycle gasoline powered small engines
Container size 32 oz

11. Quaker State Advanced Durability Motor Oil, SAE 10W-30 – 1 qt

Quaker State Advanced Durability Motor Oil, SAE 10W-30 - 1 qt

  • Meets or exceed tough standards for protection under high-temperature and severe service conditions
  • Provides consistent rust protection caused by harmful acids generated by engine contaminations
  • Maintains consistent viscosity from start to finish, providing optimal oil film protection
  • Minimizes metal to metal wear by maintaining 3x consistent level wear protection from new oils to used oils

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Amazon
eBay
Walmart
Target

Product Details

Specifications

Details
Units in Package 1
Unit Size 1 qt
Warnings Avoid prolonged or repeated contact with skin. If swallowed, call a Poison Control Center or doctor immediately. Do not induce vomiting. Protect the environment and dispose of responsibly. Safety data sheet available on request. For health emergencies or consumer information call 1-877-276-7285.

Reviews From Real Customers

NemesisPrime92
The wrench
Wrench 03

12. Pennzoil 10-W40 Motor Oil, 5 qt.

Pennzoil 10-W40 Motor Oil, 5 qt.

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Sold By Price
Amazon
eBay
Home Depot
Ace Hardware

Product Details

Specifications

Details
Viscosity Grade 10W-40
Automotive Part Type Engine Oil
Container type Bottle
General Part Type Engine Oil
Number Of Units In Package 1
Viscosity index 155
Volume (fl. oz.) 160
Product Width (in.) 8.20 in

13. Briggs and Stratton 4-Cycle Oil, 18 oz

Briggs and Stratton 4-Cycle Oil, 18 oz

  • High quality SAE30 oil
  • Specially formulated for higher operating temperatures of air cooled engines
  • This OEM oil ensures proper fit and performance to maintain the life of your Briggs and Stratton equipment

Check Latest Price

Sold By Price
Amazon
eBay
Walmart – Supply the Home
Farm & Home Hardware

Product Details

Specifications

Details
Country of Origin Made in USA
Brand Compatibility Universal
Items Included Oil
Model Compatibility Universal
Number Of Items Included 1

14. Sierra Full Synthetic Engine Oil SAE 30 – 5 qt

Sierra Full Synthetic Engine Oil SAE 30 - 5 qt

  • 5 Quart

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Sold By Price
Amazon
eBay
Walmart
Autoplicity.com

Product Details

Specifications

Details
Part Type Engine Oil
Oil Type Synthetic
Oil Weight 30
ZDDP Enhanced No
API Rating SL

Reviews From Real Customers

Eric H.
JOHN L.
Daniel M.

15. Liqui Moly 5L Top Tec 4100 Motor Oil 5W-40

Liqui Moly 5L Top Tec 4100 Motor Oil 5W-40

  • Short Label: WARNING: Cancer and Reproductive Harm
  • Both Cancer and Reproduction.TIFProp 65 Yes/No: YesTitle: LIQUI MOLY Engine Oil

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
ECS Tuning

Product Details

Specifications

Details
Part Description Radiator
Inlet Connection Type Hose Clamp
Toc Distance (in) 11.81
Inlet Diameter (in) 1.30
No. Of Rows 1

Reviews From Real Customers

RickyS472
myclassicmercedes
MichaelM3219

16. Lucas Oil Semi-Synthetic ATV Engine Oil 10W 10720

Lucas Oil Semi-Synthetic ATV Engine Oil 10W 10720

Product Details

Reviews From Real Customers

R.
Kenny

17. Briggs & Stratton 48-oz 4-Cycle 30W Conventional Engine Oil | 100028

Briggs & Stratton 48-oz 4-Cycle 30W Conventional Engine Oil | 100028

  • 48-Oz 4

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Sold By Price
Amazon
Lowe’s
The BuildClub

Product Details

Specifications

Details
Gas/Oil Mix Ratio N/A (4-cycle)
Quantity (oz.) 48
Oil Weight 30W
Package Quantity 1
EOLCS No

18. Quicksilver 25W-40 Synthetic Marine Engine Oil

Quicksilver 25W-40 Synthetic Marine Engine Oil

  • Flagship Engine and Corrosion Protection – Industry leading strength and viscosity retention and ultimate corrosion and wear protection.
  • The most recommended Marine Oil – Over 5 years of engineering and development by the largest marine engine manufacture in the world.
  • 25W40 Syntehetic Blend recommended in all Marine Engines (BEST Choice).

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Amazon
eBay
Bass Pro Shops
West Marine

Product Details

Specifications

Details
Item Package Dimensions L x W x H 9.25 x 4.21 x 2.28 inches
Suggested Users Boat Engine Parts and Accessories
Style Synthetic Blend
Included Components End Product & Information
Fishing Technique Spinning, Casting

19. Universal SAE30 4 Stroke Oil for All Lawnmowers and 4 Stroke Engines – 0.6 L

Universal SAE30 4 Stroke Oil for All Lawnmowers and 4 Stroke Engines - 0.6 L

  • High quality oil specially designed for use with petrol powered garden care products with four stroke engines
  • Comes in a handy 0.6 L bottle which is the exact amount needed for all McCulloch four stroke lawnmowers and most other lawnmower tanks
  • Ideal viscosity and blended by UNIVERSAL for use in small engines
  • SAE30 is recommended by engine manufacturer brigs and Stratton

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Sold By Price
NxDeals.com

Product Details

20. Briggs & Stratton 100008E 4-Stroke Lawn Mower Engine Oil SAE30, 2.0 Litre

Briggs & Stratton 100008E 4-Stroke Lawn Mower Engine Oil SAE30, 2.0 Litre

  • 2.0 L

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Sold By Price
bigamart.com

Product Details

Conclusion

The bottom line is that oil for portable generators is a necessary evil. It’s something that you have to have in order to keep your generator running properly, but it can be expensive and it can be messy.

If you’re not careful, it can also be dangerous.

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