Best Wrench for Strut Nut on 4Runner

As a fellow 4Runner owner who’s spent my fair share of time under the chassis, I know the satisfaction of tackling a suspension job yourself – and the frustration of hitting a snag because you don’t have the right tool. One of the trickiest parts can often be those stubborn strut nuts. They’re usually buried, overtightened, and often require a specific type of wrench or socket to get them off without damaging anything. That’s why finding the best wrench for strut nut on 4Runner isn’t just about convenience; it’s about making sure your DIY project goes smoothly and safely.

IMAGE	PRODUCT NAME	AMAZON LINK
	SCUARI 5PCS Strut Nut Socket,18MM 19MM 21MM 22MM 24MM…	View on Amazon
	18mm Shock Absorber Socket for Removal of Shock Absorbers…	View on Amazon
	Cenforge Strut Socket, 6-PC, Shock Absorber Nut Tool, Strut…	View on Amazon
	5pcs Strut Nut Socket 18mm 19mm 21mm 22mm 24mm with…	View on Amazon
	BILITOOLS 50PCS Shock Absorber Strut Nut Socket Set Master…	View on Amazon

I’ve learned firsthand that trying to use a standard open-end wrench or a shallow socket can lead to stripped nuts or worse, a rounded-off strut shaft. You need a specialized strut nut socket, often with a cutout for an Allen key or hex wrench, to hold the strut shaft while you torque the nut. In this guide, I’ll walk you through some of the top options available, discussing their features, pros, and cons to help you pick the perfect tool for your 4Runner’s suspension refresh. We’ll look at a range of choices, from individual specialty sockets to comprehensive master kits, ensuring you’re well-equipped for the task.

Detailed Product Reviews

SCUARI 5PCS Strut Nut Socket

When you’re diving into suspension work on your 4Runner, having a versatile set of tools can save you a lot of headaches. The SCUARI 5PCS Strut Nut Socket set offers just that, providing five commonly used sizes that’ll likely cover most 4Runner models and other vehicles you might work on. I appreciate that it’s designed to make removing and replacing strut units simpler, especially with its smart cutout that lets you hold the strut shaft steady with a hex wrench while you apply torque. This set feels robust, ready to handle the kind of force those factory-tightened strut nuts demand.

Key Features:
– Includes five common sizes: 18mm, 19mm, 21mm, 22mm, and 24mm, suitable for many vehicles.
– Made from high-quality steel with a black oxide coating for excellent durability and rust resistance.
– Easy-to-use cutout design accommodates a 90° hexagonal wrench to fix the strut while tightening with a torque wrench.
– Features a 12-point design and a 1/2-inch square drive slot for compatibility with standard ratchets.
– Compact 3.1-inch length makes them easy to maneuver in tight spaces.

Pros:
– Comprehensive set covers most popular strut nut sizes for 4Runners and other vehicles.
– Durable construction with rust-proof coating ensures longevity.
– The cutout design is crucial for preventing strut shaft rotation during installation/removal.
– Can withstand high torque (65-75 N), indicating good strength.

Cons:
– May not cover every single specialized strut nut size found across all vehicle models.
– Some users might prefer a dedicated, single-size socket if they only ever work on one specific 4Runner model.

Best for: DIY mechanics or those with multiple vehicles, looking for a durable, multi-size set that offers good value for general suspension work, including on their 4Runner.

User feedback summary: Many users found this set to be a solid performer, praising its quality construction and the convenience of having multiple sizes readily available. They frequently mentioned how the cutout design made strut replacement jobs significantly easier and less prone to stripping.

18mm Shock Absorber Socket for Removal of Shock Absorbers

If you know your 4Runner specifically uses an 18mm strut nut, or you frequently work on vehicles that do, this dedicated 18mm shock absorber socket is an excellent choice. Sometimes, a single, high-quality specialized tool is better than a multi-tool if it perfectly fits your specific need. This socket is precision-engineered, which can make all the difference when dealing with tightly torqued nuts. The choice of chrome molybdenum steel for its construction speaks volumes about its intended durability and ability to withstand significant forces, making it a reliable option for a challenging job like a strut swap.

Key Features:
– Specifically 18mm diameter with a precision 12-point design.
– Made from chrome molybdenum steel for superior strength and resistance to high temperatures and deformation.
– Standard 1/2-inch square drive groove for compatibility with most ratchets and torque wrenches.
– Unique cutout design allows a 90° hex wrench to securely hold the strut while tightening.
– Overall length of 3.15 inches provides good reach.

Pros:
– Exceptional material quality (Cr-Mo) ensures durability and resistance to wear.
– Precision 18mm sizing is ideal if this is your primary strut nut size.
– Designed to perfectly handle the task of tightening/loosening strut nuts without damage.
– Resists deformation under high pressure, a common issue with lesser tools.

Cons:
– Only one size (18mm), so it lacks versatility if you encounter different strut nut sizes.
– Not cost-effective if 18mm isn’t the only size you need for various projects.

Best for: 4Runner owners who have confirmed their strut nuts are 18mm, or professional mechanics who regularly work on vehicles requiring this specific size and demand a high-quality, dedicated tool.

User feedback summary: Users who bought this specific 18mm socket highlighted its robust build and perfect fit. They noted that the chrome molybdenum steel felt noticeably stronger than other options, making it a dependable choice for those critical, one-size applications.

Cenforge Strut Socket, 6-PC, Shock Absorber Nut Tool

The Cenforge 6-PC Strut Socket set steps up the versatility a notch from some 5-piece sets, adding a 16mm option to its range. This is a robust kit built from impact-grade steel, which suggests it’s ready for heavy-duty use, even with impact wrenches, though careful use with a torque wrench and hex key is usually the way to go for strut nuts. The black oxide coating adds a layer of protection against rust, which is always a plus for tools that might see some harsh conditions under your 4Runner. Its compatibility across a range of manufacturers implies a broad applicability of its sizes, meaning it’s likely to serve your 4Runner well.

Key Features:
– 6-piece set including sizes: 16mm, 18mm, 19mm, 21mm, 22mm, and 24mm.
– Constructed from impact-grade steel with a black oxide coating for strength, bend resistance, and durability.
– Features a 12-point design and a 1/2″ square drive slot for standard tool compatibility.
– Cutout design enables the use of a 90° hex key to secure the strut while tightening with a torque wrench.
– 80mm length provides good access.

Pros:
– Broader size range (including 16mm) compared to typical 5-piece sets.
– Impact-grade steel construction ensures high durability and strength.
– Effective cutout design for proper torque application.
– Good rust resistance from the black oxide coating.

Cons:
– While compatible with many vehicles, specific 4Runner fitment should still be confirmed for unusual sizes.
– Some users might find the slightly longer length (80mm) a tight fit in very confined areas, though generally beneficial.

Best for: Experienced DIYers or professional mechanics who work on a variety of vehicles, including their 4Runner, and need a durable, comprehensive set of strut nut sockets that can handle demanding tasks.

User feedback summary: Users praised the Cenforge set for its robust feel and the convenience of having a wider range of sizes. They often highlighted the impact-grade steel as a significant advantage, suggesting it held up well under strenuous use.

5pcs Strut Nut Socket 18mm 19mm 21mm 22mm 24mm with… (Generic)

This 5-piece strut nut socket set is another solid contender for tackling your 4Runner’s suspension. It offers the standard range of sizes (18mm, 19mm, 21mm, 22mm, 24mm) that are commonly needed for strut work. What stands out is its construction from hardened 4140 impact grade steel, which is a strong material choice, promising excellent resistance to bending and wear. The black oxide coating is a thoughtful addition for rust prevention, ensuring the tools last. This set, like others, incorporates the essential cutout design, making it straightforward to hold the strut while applying precise torque.

Key Features:
– 5-piece set with sizes: 18mm, 19mm, 21mm, 22mm, 24mm, all 12-point design.
– Made from high hardened 4140 impact grade steel with a black oxide coating for superior strength and durability.
– Features a 1/2″ square drive slot and a compact 3.1-inch length.
– Cutout design allows a 90° hex key to secure the strut while tightening with a torque wrench.
– Capable of withstanding 65-75 N of force.
– Includes 12 months’ warranty and after-sales support.

Pros:
– Excellent material quality (hardened 4140 impact grade steel) for robust performance.
– Good range of common sizes for many vehicles, including most 4Runner applications.
– Essential cutout design for effective and safe strut nut handling.
– Compact and simple design, easy to carry and use.
– Added benefit of after-sales support and a warranty.

Cons:
– Similar size range to other 5-piece sets, so no unique size offerings here.
– Might be a generic brand, though the material specs are promising.

Best for: DIYers and general mechanics looking for a high-quality, durable set of common strut nut sockets with the added peace of mind of a warranty, perfect for their 4Runner and other vehicles.

User feedback summary: Users reported that these sockets felt very sturdy and didn’t strip even with tough, rusted nuts. The warranty was a selling point for many, providing confidence in their purchase, and they found the cut-out design performed exactly as needed.

BILITOOLS 50PCS Shock Absorber Strut Nut Socket Set Master

For the serious mechanic or the ultimate DIY enthusiast with a vast array of vehicles, the BILITOOLS 50PCS Shock Absorber Strut Nut Socket Set is an entire workshop in a box. This isn’t just a set of strut nut sockets; it’s a comprehensive master kit designed to handle almost any shock absorber or strut job. It includes a bewildering array of counterholding bits, strut spreaders, various socket sizes, and adapters, all driven by a clever pass-thru ratchet system. While potentially overkill for just changing your 4Runner’s struts, its sheer versatility and professional-grade construction are undeniable.

Key Features:
– An extensive 50-piece master set including 29 counterholding bits, 2 strut spreaders, 6 specific strut nut sockets, 10 standard sockets, adapters, and a pass-thru ratchet.
– Pass-Thru ratchet and socket system designed for efficient top suspension nut removal, accommodating extension bars.
– Multi-function 72-tooth reversible ratchet with dual-face 19mm & 22mm box profiles.
– Constructed from premium chrome vanadium steel for exceptional hardness, strength, and corrosion resistance.
– Wide application across numerous vehicle makes and models.
– Secures the piston rod to prevent rotation during removal/installation.

Pros:
– Unparalleled comprehensiveness, suitable for almost any shock absorber or strut task.
– Professional-grade quality and premium chrome vanadium steel construction.
– Includes specialized tools like strut spreaders and various counterholding bits, which are often needed.
– The pass-thru ratchet system is highly effective for strut nuts.
– Extremely versatile, eliminating the need to search for different tools for various car brands.

Cons:
– Significantly more expensive and likely overkill for a single 4Runner strut job.
– The sheer number of components might be daunting for a casual DIYer.
– Some specific strut nut sizes might be less common for 4Runner applications than the generic sets.

Best for: Professional mechanics, auto shops, or advanced DIYers who regularly perform extensive suspension work on a wide range of vehicles, not just their 4Runner, and require a complete, high-quality, specialized kit.

User feedback summary: Professionals raved about the sheer utility and quality of this master set, noting that it paid for itself quickly by providing every specialized tool they needed. They particularly appreciated the pass-thru ratchet for its efficiency and the robust feel of the chrome vanadium steel.

Helpful Comparison Insights

When choosing the best wrench for strut nut on 4Runner, it really boils down to your specific needs, budget, and how often you’ll be doing this kind of work.

For most 4Runner owners tackling a strut replacement, a multi-size set like the SCUARI, Cenforge, or the generic 5pcs Strut Nut Socket offers the best balance of value and utility. They all provide the critical cutout design and cover common sizes like 18mm, 19mm, and 21mm, which are frequently seen on 4Runner suspension components. The impact-grade steel in the Cenforge and the generic 5pcs set suggests slightly higher durability, which is great for stubborn nuts, while the SCUARI’s high-quality steel with black oxide coating is also very robust. Having multiple sizes means you’re prepared for slight variations in strut nuts, even if you just own one vehicle.

The 18mm Shock Absorber Socket is a standout if you are absolutely certain that 18mm is the only size you need for your specific 4Runner model. Its chrome molybdenum steel construction is top-tier for strength and longevity. However, its limited versatility means it’s a niche choice.

The BILITOOLS 50PCS Master Set is in a league of its own. It’s truly a professional-grade kit that goes far beyond just strut nut sockets, including all sorts of counterholding bits and a clever pass-thru ratchet. While it includes the necessary components, it’s a significant investment and likely far more than a typical 4Runner DIYer needs. Think of it as a tool for a professional shop or someone who frequently works on a huge variety of makes and models. The premium chrome vanadium steel makes it exceptionally durable, but its price reflects that.

When making your choice, consider the material quality – chrome molybdenum and impact-grade steels generally offer better durability than standard high-quality steel. Also, pay close attention to the range of sizes. While a 5- or 6-piece set usually covers most 4Runner needs, verifying your specific strut nut size (if possible) beforehand can help narrow it down. The cutout design is non-negotiable for safety and effectiveness, and all these options feature it.

Final Verdict

Alright, let’s cut to the chase for the best wrench for strut nut on 4Runner.

For the average 4Runner owner who wants to confidently tackle their suspension work without breaking the bank, I’d lean towards either the SCUARI 5PCS Strut Nut Socket or the 5pcs Strut Nut Socket (generic brand with 4140 steel). Both offer an excellent balance of common sizes, durable materials, and the essential cutout design needed for the job. The generic 5pcs set gets a slight edge for its explicit mention of hardened 4140 impact grade steel and the 12-month warranty, which adds a layer of confidence. These sets give you versatility for common 4Runner strut nut sizes and are a solid investment for the occasional DIYer.

If you’re a dedicated DIYer or a light professional who works on various vehicles and values that extra bit of coverage, the Cenforge Strut Socket, 6-PC is a fantastic choice. The addition of the 16mm size and its impact-grade steel construction make it a slightly more comprehensive and robust option for challenging jobs.

Now, if you know your 4Runner requires an 18mm strut nut specifically, and you prioritize maximum strength and precision for that one size, the 18mm Shock Absorber Socket made from chrome molybdenum steel is an undeniable pick. It’s a specialist tool designed for a specialist job, and it will likely outlast many other options.

Finally, for the full-blown professional mechanic or the gearhead who wants every single tool for every single car, the BILITOOLS 50PCS Shock Absorber Strut Nut Socket Set Master is the undisputed champion of comprehensiveness. Just be aware that its price and sheer volume of tools mean it’s likely far more than you need for just a 4Runner strut job.

In my experience, you can’t go wrong with a good quality 5 or 6-piece set for your 4Runner. They’re practical, durable, and will serve you well for many suspension projects to come.

Frequently Asked Questions (FAQ)

Q1: What size wrench or socket do I need for a 4Runner strut nut?

A: The most common sizes for a 4Runner strut nut are typically in the 18mm to 22mm range, with 19mm and 21mm being very common. Some models might use 18mm or 22mm. It’s always best to check your vehicle’s specific service manual or measure the existing nut if possible, but a multi-size set (like 18mm-24mm) will likely cover most scenarios.

Q2: Why can’t I just use a regular open-end wrench or a standard socket for the strut nut?

A: Standard wrenches or sockets typically won’t work well for a strut nut. The strut shaft often needs to be held stationary to prevent it from spinning while you loosen or tighten the nut. Specialized strut nut sockets have a cutout or pass-through design that allows an Allen key or hex wrench to hold the shaft, while the socket itself turns the nut. Without this feature, you risk damaging the strut or stripping the nut.

Q3: What’s the difference between “high-quality steel” and “impact-grade steel” for these wrenches?

A: High-quality steel is generally strong and durable, good for hand tools. Impact-grade steel (like chrome molybdenum or hardened 4140 steel) is specifically formulated to withstand the high-shock forces from impact wrenches. While you’re usually using a torque wrench for strut nuts, impact-grade steel offers superior strength and durability, making it more resistant to bending, breaking, or rounding off under extreme pressure, which is a great benefit for a best wrench for strut nut on 4Runner.

Q4: Do I need a torque wrench to replace my 4Runner’s struts?

A: Yes, absolutely! Using a torque wrench is crucial for properly tightening your 4Runner’s strut nut and other suspension components to the manufacturer’s specified values. Overtightening can damage parts, while undertightening can lead to loose components, noise, and unsafe driving conditions.

Q5: How do I use a strut nut socket with the cutout design?

A: With a strut nut socket that has a cutout, you’ll first place the socket over the strut nut. Then, you insert an appropriately sized hex key (or Allen key) through the cutout and into the top of the strut shaft. This allows you to hold the strut shaft steady with the hex key (using a wrench on the hex key for leverage if needed) while simultaneously turning the socket with a ratchet or torque wrench to loosen or tighten the nut. This setup is essential for ensuring your best wrench for strut nut on 4Runner works effectively.

Q6: Can these strut nut wrenches be used on other vehicles besides a 4Runner?

A: Yes, definitely! Most of the strut nut wrench sets reviewed here include common sizes (like 18mm, 19mm, 21mm, 22mm, 24mm) that are used across a wide range of different vehicle makes and models. While we’re focusing on the 4Runner, these tools are highly versatile for general suspension work on many cars, trucks, and SUVs.

Q7: What are the common issues if I use the wrong wrench for a strut nut?

A: Using the wrong wrench for a strut nut on your 4Runner can lead to several problems:
* Stripped or rounded nut: Standard wrenches can slip, damaging the nut.
* Damaged strut shaft: If the shaft spins, you can damage its internal components or the top of the shaft, rendering the new strut unusable.
* Inaccurate torque: Without the ability to hold the shaft, you can’t properly torque the nut, leading to loose or overtightened components.
* Injury: Slipping tools or damaged parts can lead to personal injury. Using the right tool ensures a safer and more effective repair.