SC139 MAC Tool Drive Point Diesel Injector Flair Nut Socket

Review MAC 39 Tool 17mm 1/2 Inch Drive Point Diesel Injector Flair Nut Socket

Introducing the MAC SC139 17mm 1/2 Drive 12-Point Diesel Injector Flare Nut Socket, a must-have tool for any professional mechanic or DIY enthusiast working on diesel engines. This high-quality socket is specifically designed to provide easy and efficient access to diesel injector flare nuts, ensuring a perfect seal every time.

The MAC SC139 socket is engineered with 12-point design, offering exceptional grip and torque transfer. Its 17mm size is suitable for a wide range of diesel injector flare nuts found in various diesel engines. The socket's 1/2 drive size is a standard in the automotive industry, making it compatible with most common torque wrenches and ratchets.

Made from premium chrome vanadium steel, this socket boasts superior strength and durability. The chrome finish not only enhances its appearance but also provides excellent resistance to corrosion and wear. This socket is designed to last, ensuring that it remains a valuable addition to your toolbox for years to come.

The MAC SC139 socket features a unique flare nut design, which perfectly conforms to the contours of diesel injector flare nuts. This ensures a secure and snug fit, preventing any unwanted slippage during torquing. The socket is also designed with a deep well, which allows for greater access to hard-to-reach nuts, making your work more comfortable and efficient.

In conclusion, the MAC SC139 17mm 1/2 Drive 12-Point Diesel Injector Flare Nut Socket is an essential tool for any mechanic or DIY enthusiast working on diesel engines. Its 12-point design, premium construction, and unique flare nut conformation make it a reliable and effective solution for working on diesel injector flare nuts. With its superior strength, durability, and ease of use, this socket is a smart investment for any automotive professional or hobbyist.

Buying a MAC SC139 tool, a 17mm 1/2 drive 12-point diesel injector flare nut socket, comes with both advantages and disadvantages, depending on your specific needs and circumstances.

1. High-quality tool: MAC is a well-known brand known for manufacturing top-tier automotive tools. The SC139 socket is no exception as it features robust construction and precise machining for a secure fit.

2. Versatility: The 17mm 1/2 drive size is a common size, making it applicable to a wide range of applications. Moreover, the 12-point design allows for better grip and torque transmission, ensuring efficient and effective use.

3. Durability: The socket is designed to withstand heavy-duty use and the rigors of commercial applications. Its chrome-molybdenum alloy construction makes it resistant to wear and tear.

1. Cost: MAC tools are known for their high-quality, and as a result, they tend to be more expensive than other brands. This could be a disadvantage for those on a tight budget.

2. Limited applicability: While the 17mm 1/2 drive size is common, it may not be suitable for all applications. For instance, some diesel injector flare nuts may require larger or smaller sizes.

3. Size and weight: The socket is quite large and heavy due to its robust construction, which could make it less convenient for some users, especially those who frequently travel or work in confined spaces.

The MAC SC139 tool, a 17mm 1/2 drive 12-point diesel injector flare nut socket, offers several advantages, including high-quality construction, versatility, and durability. However, it also comes with disadvantages, including cost, limited applicability, and size/weight. Ultimately, the decision to buy this tool depends on your specific needs, budget, and the nature of your work.

If you frequently work with diesel injector flare nuts and require a high-quality, robust, and efficient tool, the MAC SC139 socket may be a worthwhile investment. However, if you're on a tight budget or only need to use the socket occasionally, it might be more cost-effective to consider alternative options from other brands. Overall, carefully evaluate your requirements before making a purchase decision.

Details:

Mac tools sc 139 is a 17mm 12-point flare nut socket designed primarily for working on diesel fuel lines and sending units. Light surface rust. Featuring a 1/2 - inch drive. As found in very good condition.

specifications carsocketsots:

• for years: 2012
• brand: Mac
• mpn: Sc139
• part type: Drive Injector Socket
• tools included: Sockets
• socket type: Flair Nut
• system of measurement: Metric
• size: 17mm
• set or single item: Single Item
• surface finish: Black Oxide
• drive type: 12 Point
• country of origin: United States
• drive size: 1/2in.

offer carsocketsots:

• sold #: 5
• best offers: true
• started: june 4, 2026
• in stock #: 2
• options: ship-to-home
• prices: $35.00–$85.00
• item condition: Used
• availability: in stock

returns carsocketsots:

• policy: no returns

shipping carsocketsots:

• carrier: usps
• class: standard
• service: usps ground advantage
• type: calculated
• transit: 4-7 days

general carsocketsots:

• category: Auto Parts > Supplies > Hand Tools > Sockets Sets

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• rating: 100.0%
• # reviews: 1238
• city: carrollton, ohio

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