The Best Bulk Fluids - Motor Oil, Lubricating Oil, Change Tools and other Tools 2025

Updated On May 5th, 2025

Looking for the best Bulk Fluids - Motor Oil, Lubricating Oil, Change Tools and other Tools? You aren't short of choices in 2022. The difficult bit is deciding the best Bulk Fluids - Motor Oil, Lubricating Oil, Change Tools and other Tools for you, but luckily that's where we can help. Based on testing out in the field with reviews, sells etc, we've created this ranked list of the finest Bulk Fluids - Motor Oil, Lubricating Oil, Change Tools and other Tools.

Rank Product Name Score
1
(12 pack) MOBIL Mobil DTE Heavy Medium, ISO 68, 1 gal., 100959

(12 pack) MOBIL Mobil DTE Heavy Medium, ISO 68, 1 gal., 100959

Check Price
100%
2
(3 pack) Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts, Case of 3

(3 pack) Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts, Case of 3

Check Price
100%
3
(9 pack) Quicksilver 20W-50 Motorcycle Oil 1 gal

(9 pack) Quicksilver 20W-50 Motorcycle Oil 1 gal

Check Price
96%
4
Pag Oil 100-Quart

Pag Oil 100-Quart

Check Price
94%
5
Radiator Specialty Company RSCM3712 Valve Medic 12Oz 12pk

Radiator Specialty Company RSCM3712 Valve Medic 12Oz 12pk

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0%
6
(9 pack) (9 Pack) Mercury MERC92858037Q01 Outboard Oil

(9 pack) (9 Pack) Mercury MERC92858037Q01 Outboard Oil

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0%
7
(12 pack) MOBIL Mobil Rarus 427 Compressor 1 gal. ISO 100 101016

(12 pack) MOBIL Mobil Rarus 427 Compressor 1 gal. ISO 100 101016

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0%
8
(9 pack) Dorman 603-208 Coolant Reservoir

(9 pack) Dorman 603-208 Coolant Reservoir

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0%
9
(9 pack) Sea-Doo XPS 4-Stroke Synthetic Blend Oil Change Kit - 1503 4-TEC P/N 295501157

(9 pack) Sea-Doo XPS 4-Stroke Synthetic Blend Oil Change Kit - 1503 4-TEC P/N 295501157

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0%
10
VP Racing Fuels Radiator Systems Temperature Cool Down, 16 Ounces (6 Pack)

VP Racing Fuels Radiator Systems Temperature Cool Down, 16 Ounces (6 Pack)

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0%

1. (12 pack) MOBIL Mobil DTE Heavy Medium, ISO 68, 1 gal., 100959

(12 pack) MOBIL Mobil DTE Heavy Medium, ISO 68, 1 gal., 100959
100%

Our Score

MOBIL Mobil DTE Heavy Medium, ISO 68, 1 gal., 100959

Circulating Oil, Premium, DTE Heavy Medium, 1 Gallon, Viscosity Index 95, ISO Viscosity Grade 68, Viscosity 95 cSt @ 40 C, Viscosity 8.7 cSt @ 100 C, Flash Point 223 C, Pour Point -15 C), Amber, For Land Based and Marine Steam Turbine, Hydro Turbine and Some Gas Turbine Circulation Systems, Including Pumps, Valves, Continuous Service Plain and Roller Bearings and Parallel Shaft Gearing, Moderate Severity Hydraulic Pumps, Compressors and Vacuum Pumps, DIN 51515-1, DIN 51517, DIN 51524 Features Application: For Land Based and Marine Steam Turbine, Hydro Turbine and Some Gas Turbine Circulation Systems, Including Pumps, Valves, Continuous Service Plain and Roller Bearings and Parallel Shaft Gearing, Moderate Severity Hydraulic Pumps, Compressors and Vacuum Pumps Color: Amber Container Type: Can ISO Viscosity Grade: 68 Item: Circulating Oil Container Size: 1 gal. SAE Grade: 20 Viscosity Index: 95 Specific Gravity: 0.870 Flash Point: 223 Degrees C Timken OK Load: Not Specified Four-Ball Wear: Not Specified Lubricant NSF Rating: Not Rated Base Oil: Mineral

2. (3 pack) Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts, Case of 3

(3 pack) Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts, Case of 3
100%

Our Score

Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts, Case of 3

Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts, Case of 3

3. (9 pack) Quicksilver 20W-50 Motorcycle Oil 1 gal

(9 pack) Quicksilver 20W-50 Motorcycle Oil 1 gal
96%

Our Score

Keep your motorcycle engine protected with this OEM quality engine oil. Quicksilver Full Synthetic 20W50 Motorcycle Oil provides ultimate protection and performance. Quicksilver Full Synthetic SAE 20W50 Four-Stroke Motorcycle Oil handles the challenges of V-Twin and larger displacement engines. Protects against high temperature and high RPM operation.

Protects gears, transmission and wet clutch Meets or exceeds manufacturer's warranty requirements Meets or exceeds API SF/SG/SJ/SL/SM and JASO MA2

4. Pag Oil 100-Quart

Pag Oil 100-Quart
94%

Our Score

FJC PAG (Polyalkylene Glycol) Oil; 100 qt.

PAG (Polyalkylene Glycol) oil, is a synthetic oil specifically designed to lubricate R-134a automotive air conditioner compressors. PAG oils are identified using numbers which show their viscosity (46,100,150). Always refer to your vehicle manual to determine the correct oil for your vehicle.

5. Radiator Specialty Company RSCM3712 Valve Medic 12Oz 12pk

Radiator Specialty Company RSCM3712 Valve Medic 12Oz 12pk
0%

Our Score

Radiator Specialty Company RSCM3712 Valve Medic 12Oz 12pk

MOTOR MEDIC is a local family owned company based out of Charlotte, NC. For more than 75 years, LIQUID WRENCH products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation.MOTOR MEDIC

6. (9 pack) (9 Pack) Mercury MERC92858037Q01 Outboard Oil

(9 pack) (9 Pack) Mercury MERC92858037Q01 Outboard Oil
0%

Our Score

Be prepared when hitting the water this season, and seasons to follow.

Biobor BBMD32EZ01US Biobor MD: BBMD32EZ01US 32oz Diesel Additive

7. (12 pack) MOBIL Mobil Rarus 427 Compressor 1 gal. ISO 100 101016

(12 pack) MOBIL Mobil Rarus 427 Compressor 1 gal. ISO 100 101016
0%

Our Score

MOBIL Mobil Rarus 427, Compressor, 1 gal., ISO 100, 101016

Compressor Oil, Mineral Oil, Food Grade No, Size 1 gal., Container Type Can, SAE Grade 30, ISO Viscosity Grade 100, Flash Point 264 Degrees C, Four-Ball Wear Not Specified, Pour Point 25 Degrees C, Viscosity @ 100C 11.6 cSt, Viscosity @ 40C 104.6 cSt, Viscosity Index 100, Application For Reciprocating and Rotary Type Machines With The Lower Viscosity Grades Mainly Used In Rotary Compressors, Standards ASTM, Meets or Exceeds DIN 51506 VD-L (1985-09) Features Application: For Reciprocating and Rotary Type Machines With The Lower Viscosity Grades Mainly Used In Rotary Compressors Container Type: Can ISO Viscosity Grade: 100 Item: Compressor Oil Size: 1 gal. Base: Mineral Oil SAE Grade: 30 Viscosity Index: 100 Standards: ASTM, Meets or Exceeds DIN 51506 VD-L (1985-09) Sub-Category: Compressor Flash Point: 264 Degrees C Four-Ball Wear: Not Specified Pour Point: 25 Degrees C Viscosity @ 40C: 104.6 cSt Viscosity @ 100C: 11.6 cSt Food Grade: No

8. (9 pack) Dorman 603-208 Coolant Reservoir

(9 pack) Dorman 603-208 Coolant Reservoir
0%

Our Score

Dorman 603-208 Coolant Reservoir

Dorman 603-208 Coolant Reservoir

9. (9 pack) Sea-Doo XPS 4-Stroke Synthetic Blend Oil Change Kit - 1503 4-TEC P/N 295501157

(9 pack) Sea-Doo XPS 4-Stroke Synthetic Blend Oil Change Kit - 1503 4-TEC P/N 295501157
0%

Our Score

Sea-Doo XPS 4-Stroke Synthetic Blend Oil Change Kit - 1503 4-TEC P/N 295501157

Sea-Doo XPS 4-Stroke Synthetic Blend Oil Change Kit - 1503 4-TEC P/N 295501157

10. VP Racing Fuels Radiator Systems Temperature Cool Down, 16 Ounces (6 Pack)

VP Racing Fuels Radiator Systems Temperature Cool Down, 16 Ounces (6 Pack)
0%

Our Score

VP Racing Cool Down advanced wetting agents increase coolant flow for better heat transfer while lubricating vital components, reducing coolant temps by up to 30°F. One 16oz bottle treats cooling systems of 12-20 quarts and lasts for one year or 30,000 miles. Safe for all radiators and applications.

Coolant performance enhancer great for high-performance radiator systems (6-pack) Decreases cylinder head temperatures up to 50 degrees One 16 ounce bottle treats cooling systems of 12-20 quarts Treatments last for one year or 30,000 miles Increases coolant flow for better heat transfer while lubricating all the vital components Safe for all radiator systems Protects against corrosion Size: 16 ounces Quantity: 6


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