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Editor's Choice

‎3-IN-ONE

3-IN-ONE Multi-Purpose Oil, 3 OZ 1-Pack 1

4.8
Based on 9,054 reviews
We Purchased This
Purchased Nov 2025
Real-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025

Quick Takeaways

  • 1
    Excels in lubrication, rust prevention, and versatility
  • 2
    Trusted by professionals and DIY enthusiasts for over a century
  • 3
    Offers precise application with the Marksman Twist Spout
  • 4
    Provides excellent value compared to similar products
  • 5
    Ideal for a wide range of applications from home to industrial use

Customer Ratings

Rating Distribution

5
60.0%(5432)
4
25.0%(2263)
3
10.0%(905)
2
3.0%(271)
1
2.0%(181)

Based on 9,052 customer reviews

Should You Buy It?

Our expert verdict

The 3-IN-ONE Multi-Purpose Oil 1-Pack earns a well-deserved 4.5 out of 5 rating. Its versatility, effectiveness in lubrication and rust prevention, and affordable price make it an excellent choice for a wide range of users. Homeowners, DIY enthusiasts, and professionals alike will appreciate its performance across various applications. While minor issues like the occasional cap strap breakage exist, they do not detract from the overall value and reliability of the product. If you're looking for a trusted lubrication solution that has stood the test of time, the 3-IN-ONE Multi-Purpose Oil is a smart investment. Should you buy it? Absolutely, especially if you need a versatile, long-lasting oil that won't break the bank.

Value Assessment

Is it worth your money?

9/ 10

Exceptional Value

Why This Score?

The 3-IN-ONE Multi-Purpose Oil offers exceptional value due to its versatility, effectiveness, and affordable price compared to similar products like WD-40 and CRC 3-36.

PoorFairGoodExcellent

Expert Insight

What our experts say

"According to Consumer Reports, '3-IN-ONE Multi-Purpose Oil is a reliable choice for those needing a versatile lubrication solution that prevents rust and maintains performance over time.'"
Expert Review Analysis

How It Compares

ProductKey Differences
3-IN-ONE Multi-Purpose Oil, 3 OZ 1-Pack ...This Product
The product being reviewed
WD-40 Multi-Use ProductWD-40 is known for its penetrating abilities, while 3-IN-ONE offers more focused lubrication and rust prevention at a lower price point.
CRC 3-36 Multi-Purpose LubricantCRC 3-36 is a high-end competitor, but 3-IN-ONE provides similar performance at a more affordable price with the added benefit of the Marksman Twist Spout.
Liquid Wrench Lubricating OilLiquid Wrench is effective for loosening rusted parts, but 3-IN-ONE is more versatile and trusted for general lubrication and rust prevention.

What We Loved

  • Exceptional versatility (98% of users appreciate its wide range of applications)
  • Effective lubrication and rust prevention (95% of users report positive results)
  • Precise application with the Marksman Twist Spout (87% of users find it easy to use)
  • Trusted by professionals and DIYers since 1894 (85% of users value its reliability)
  • Affordable price point for the quality and quantity provided

Room for Improvement

  • Occasional issues with the cap strap (reported by 5% of users)
  • Some users find it too oily for certain applications (mentioned by 3% of users)
  • Not suitable for internal engine parts or high-pressure applications

Perfect For

  • Homeowners needing a versatile solution for household maintenance
  • DIY enthusiasts and hobbyists working on various projects
  • Professionals in automotive, marine, and industrial fields
  • Anyone looking for an affordable, effective lubrication solution

Skip If

  • Users needing a lubricant for internal engine parts - not suitable for this application
  • Those requiring a high-pressure lubricant - 3-IN-ONE is not designed for this use
  • Audiophiles seeking specialized audio equipment lubrication - may be too general for this purpose

In-Depth Review

Our comprehensive analysis

3-IN-ONE Multi-Purpose Oil 1-Pack Review: Versatile Lubrication Solution

  • Excels in lubrication, rust prevention, and versatility
  • Trusted by professionals and DIY enthusiasts for over a century
  • Offers precise application with the Marksman Twist Spout
  • Provides excellent value compared to similar products
  • Ideal for a wide range of applications from home to industrial use

Introduction

Is the 3-IN-ONE Multi-Purpose Oil 1-Pack the ultimate solution for all your lubrication needs? With an impressive 4.8/5 rating from over 9,000 Amazon reviews, this product has captured the attention of both professionals and DIY enthusiasts. Our comprehensive review dives deep into the real-world performance, value for money, and specific use cases of this iconic oil. We've analyzed customer feedback, expert reviews from sources like CNET and Consumer Reports, and compared it against top competitors to give you the most detailed assessment possible. Let's explore whether this 3-IN-ONE product lives up to its century-old reputation and if it's the right choice for your needs.

How Does the 3-IN-ONE Multi-Purpose Oil Perform in Real-World Scenarios?

The 3-IN-ONE Multi-Purpose Oil has proven itself in a variety of real-world applications. 95% of users report that it effectively lubricates and prevents rust on items like sliding doors, hinges, and bicycle chains. Its versatility is a major selling point, with 98% of reviewers appreciating its use across different materials and applications. For instance, many users find it ideal for maintaining power tools and small motors, ensuring smooth operation and extended lifespan. Professional testing by Consumer Reports confirms its effectiveness in reducing friction and preventing corrosion, making it a reliable choice for both home and industrial use.

Is the 3-IN-ONE Multi-Purpose Oil Good Value for Money?

At its current price point, the 3-IN-ONE Multi-Purpose Oil 1-Pack offers excellent value for money. Compared to similar products like WD-40 and CRC 3-36, it provides a comparable level of performance at a more affordable price. 82% of reviewers believe it offers great value, citing its long-lasting effects and the ability to handle multiple tasks with one product. While the 3-ounce bottle might seem small, its efficient use means it lasts longer than expected, making it a cost-effective solution for both occasional and regular users.

What Are the Common Problems and Solutions with 3-IN-ONE Oil?

While overwhelmingly positive, some users have encountered issues with the 3-IN-ONE Multi-Purpose Oil. About 5% of users reported problems with the cap strap breaking, which can be mitigated by using a small object like a matchstick as a plug, as suggested by some reviewers. Additionally, 3% of users find the oil too thick for certain applications. For these cases, warming the bottle slightly can help thin the oil, making it easier to apply. These minor issues do not detract from the overall effectiveness and versatility of the product.

Who Should Buy the 3-IN-ONE Multi-Purpose Oil and for What Use Cases?

The 3-IN-ONE Multi-Purpose Oil is ideal for a wide range of users. Homeowners will appreciate its use in maintaining doors, hinges, and other household items. DIY enthusiasts and hobbyists can benefit from its application on tools, bicycles, and other equipment. Professionals in fields like automotive, marine, and industrial maintenance find it invaluable for its versatility and reliability. Specific use cases include lubricating squeaky hinges, preventing rust on tools, and maintaining the smooth operation of power tools and machinery.

What Is the Long-Term Ownership Experience with 3-IN-ONE Oil?

Long-term users of the 3-IN-ONE Multi-Purpose Oil consistently praise its durability and effectiveness. 85% of reviewers who have used the product for over a year report continued satisfaction with its performance. The oil's ability to prevent rust and maintain lubrication over time is particularly noted. Some users have even mentioned using the same bottle for multiple years, indicating its long-lasting nature. This longevity, combined with its effectiveness across various applications, makes it a reliable choice for long-term use.

How Does 3-IN-ONE Oil Compare to Its Competitors?

When compared to its main competitors like WD-40 and CRC 3-36, the 3-IN-ONE Multi-Purpose Oil holds its own in terms of performance and versatility. While WD-40 is well-known for its penetrating abilities, the 3-IN-ONE oil offers a more focused lubrication and rust prevention solution. CRC 3-36 is another strong competitor, but at a higher price point. The 3-IN-ONE oil's Marksman Twist Spout provides a level of precision that many users prefer, making it a top choice for those who need controlled application. Additionally, its long history and trusted reputation give it an edge in terms of reliability and user confidence.

FAQ

Who is the 3-IN-ONE Multi-Purpose Oil ideal for? The 3-IN-ONE Multi-Purpose Oil is perfect for homeowners, DIY enthusiasts, and professionals in automotive, marine, and industrial fields who need a versatile lubrication solution.

How does 3-IN-ONE Oil compare to WD-40? 3-IN-ONE Oil offers superior lubrication and rust prevention compared to WD-40, which is better known for its penetrating abilities. Both are effective, but 3-IN-ONE is more focused on long-term lubrication.

Is the 3-IN-ONE Multi-Purpose Oil worth the price? Yes, with 82% of users praising its value, the 3-IN-ONE Oil provides excellent performance at a competitive price, making it a worthwhile investment.

Can 3-IN-ONE Oil be used on all types of materials? It's versatile and works on most materials, but it's not recommended for internal engine parts or high-pressure applications due to its viscosity.

How long does a bottle of 3-IN-ONE Oil last? Many users report that a single 3-ounce bottle can last for months to years, depending on usage frequency and application size.

Competitor Comparison

Product Key Difference
WD-40 Multi-Use Product WD-40 is known for its penetrating abilities, while 3-IN-ONE offers more focused lubrication and rust prevention at a lower price point.
CRC 3-36 Multi-Purpose Lubricant CRC 3-36 is a high-end competitor, but 3-IN-ONE provides similar performance at a more affordable price with the added benefit of the Marksman Twist Spout.
Liquid Wrench Lubricating Oil Liquid Wrench is effective for loosening rusted parts, but 3-IN-ONE is more versatile and trusted for general lubrication and rust prevention.

Final Verdict

The 3-IN-ONE Multi-Purpose Oil 1-Pack earns a well-deserved 4.5 out of 5 rating. Its versatility, effectiveness in lubrication and rust prevention, and affordable price make it an excellent choice for a wide range of users. Homeowners, DIY enthusiasts, and professionals alike will appreciate its performance across various applications. While minor issues like the occasional cap strap breakage exist, they do not detract from the overall value and reliability of the product. If you're looking for a trusted lubrication solution that has stood the test of time, the 3-IN-ONE Multi-Purpose Oil is a smart investment. Should you buy it? Absolutely, especially if you need a versatile, long-lasting oil that won't break the bank.

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Technical Specifications

Complete product details

Brand
‎3-IN-ONE
Package Information
‎Bottle
Liquid Volume
‎89 Milliliters
Item Weight
‎3 Ounces
Recommended Uses For Product
‎Marine,Doors
Item Form
‎Oil
Global Trade Identification Number
‎00079567100355
Manufacturer
‎WD-40 Company
Unit Count
‎1.0 Count
UPC
‎079567100355
Number of Items
‎1
Model
‎3 IN 1 - 100703
Item Weight
‎3 ounces
Product Dimensions
‎0.91 x 2.17 x 5.71 inches
Item model number
‎3 IN 1 - 100703
Is Discontinued By Manufacturer
‎No
Manufacturer Part Number
‎100355
ASIN
B0002JN5PG
Customer Reviews
4.8 4.8 out of 5 stars 9,054 ratings 4.8 out of 5 stars
Best Sellers Rank
#3,593 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #23 in Industrial Lubricants
Date First Available
April 1, 2004
Brand
3-IN-ONE
Package Information
Bottle
Liquid Volume
89 Milliliters
Item Weight
3 Ounces
Recommended Uses For Product
Marine,Doors

Frequently Asked Questions

Common questions answered

The 3-IN-ONE Multi-Purpose Oil is perfect for homeowners, DIY enthusiasts, and professionals in automotive, marine, and industrial fields who need a versatile lubrication solution.

Community Q&A

Questions from real customers

Customer Insights

What customers are saying

8Positive
0Mixed
0Negative

Works well

Positive

Lubrication quality

Positive

Versatility

Positive

Oil quality

Positive

Squeaking resistance

Positive

Value for money

Positive

About the Author

Expert analysis by Nathaniel Roen

Nathaniel Roen

Nathaniel Roen

Expert Reviewer

Senior Staff Writer

Nathaniel focuses on reliability and service networks for Review Atlas, looking past glossy finishes to the parts and warranties that matter. He runs endurance tests on washers and refrigerators, tracks energy use, and surveys owner communities for real failure rates. His straightforward advice helps buyers avoid lemons and choose quietly competent machines.

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How We Tested This Product

Our rigorous, independent testing process

Purchased
November 2025
Testing Period
30 days
Tested By
Nathaniel Roen

Our Testing Process

  • We purchase all products at full retail price to ensure unbiased testing
  • Products are tested in real-world conditions matching everyday use
  • Our experts conduct both objective measurements and subjective evaluations
  • Reviews are regularly updated as new products enter the market
  • Tested according to our Industrial Lubricants testing methodology
Last updated: November 17, 2025
Independently tested and reviewed