Sunex 6603ASJ Aluminum Floor Jack Review


In Brief: Review of Sunex 6603ASJ

The Sunex Tools 3-ton aluminum jacks are reliable, consistent, and could potentially turn out to be the best purchases you can make. These jacks are easy to use and lightweight enough for you to maneuver them around with ease in your garage. The two-piece handle, overload protection valves, quick locking features are all excellent additions to this jack, which is available at a steal!

Sunex Tools is well-known for its wide range of top-notch lifting equipment and shop gear.

Out of the thousands of products spread over diverse product lines, the tool that we are going to focus on is the 3-ton aluminum jack.

By the end of this article, you will be well-aware of the technical specifications of this jack.

Apart from this, we will also elaborate on details like the customer testimonies, warranty coverage, recommended use, compatible accessories, and much more. Read on to find out more!

Key Specifications of Sunex 6603ASJ 3 Ton Aluminum Lift

Sunex 6603ASJ 3 Ton Aluminum Lift

This aluminum jack by Sunex Tools has a lift capacity of 3 tons or 6,000 pounds.

The rapid rise technology used by this jack allows the jack to reach the maximum height in as little as 7 to 8 pumps.

The jack has a versatile lift range, which provides ample clearance for the user to get under the vehicle and operate comfortably.

The jack’s body is fitted with side handles that make it easily portable. These handles also help with better positioning.

The front of the jack is equipped with wide wheels, whereas the rear features 360-degree swivel casters. These wheels and caster make it a lot easier to roll the jack around on the shop floor.

The jack’s contact surface with the vehicle is covered with a rubber pad, and the jack handle features a foam bumper to prevent any damage to the vehicle frame while the jack is in use.

The jack’s strength is reinforced with the help of thick side plates. The lift arm of the jack is also enhanced for added strength and chassis torsion control.

The details of the technical specifications of this jack are tabulated below.

Lift Capacity
3 tons (6,000 lbs.)
15 in X 7.87 in X 31.7 in
Shipping Weight
58 lbs.
Minimum Lift Height
3.8 in
Maximum Lift Height
19.3 in
Lifting Range
15.5 in

Warranty / Repairs

Sunex Tools provides a one-year warranty for the 6603ASJ aluminum lift.

According to the manufacturers, the product will remain free of any defects in the workmanship or materials as long as the product is used within the stipulated guidelines.

If any defects arise, Sunex Tools will be in charge of the needed repairs or replacements.

For more information, Sunex Tools can be contacted at 800.833.7869.

Customer Review Analysis of Sunex 6603ASJ 3 Ton Aluminum Lift

A majority of the customers of Sunex Tools 6603ASJ aluminum service jack are big fans of the tool.

The jack has aided them in achieving effortless lifts and made the entire process of automotive service at home a lot more efficient on the whole.

One customer who runs a mobile business has greatly appreciated the lightweight design of this jack, which allows him to carry it around with ease without causing back pain and significantly improving the quality of service.

The compact design also allows secure storage in the car trunk. The jack is handy for lighter duty jobs like the occasional tire replacements, oil services, brake checks, etc.

The versatile design of the jack also helps greatly when it comes to compatibility with different models. The robust and sturdy construction of the jack can support the vehicles without buckling under the pressure.

Overall, the jack is an excellent investment as it is a high-quality tool with reliable performance and affordable price.


Pros and Cons of Sunex 6603ASJ 3 Ton Aluminum Lift

The pros and cons of the Sunex 6603ASJ 3 Ton Aluminum Lift are listed below.


  • Rated highest by the customers for ease of use
  • Sturdy and solidly-built design
  • Lightweight construction makes for easy portability
  • Versatile design
  • Two-piece handle for better storage
  • Quick locking feature for better engagement and disengagement
  • Fitted with overload and bypass protection valves


  • Some customers reported oil leakage


When and Who Should Use

The 3-ton aluminum jack is great for at-home garage use. It is sturdy and stable enough to allow you the chance to carry out the occasional repair and maintenance work on the jack with ease.

The jack is excellent when it comes to ease of use and maneuverability. This feature makes it easy for one to use the jack even if they are unfamiliar with the product!

Recommended Accessories with Sunex 6603ASJ 3 Ton Aluminum Lift

A jack is inherently incomplete with a pair of supporting jack stands. While the 6603ASJ will give fantastic lifts and clearance to you, pair it with the Sunex Tools 3-ton jack stands for better support, safety and stability.

The same can be purchased at:

Sunex 1003AJ 3-Ton, Aluminum, Jack Stands



Where is this jack manufactured?

The Sunex Tools 6603ASJ jack is made in China.

Is the jack re-buildable?

The manufacturers do not provide replacement parts separately. You will have to get in touch with the customer support for service.

What is the size of the saddle?

The saddle diameter is 4.5 inches, and the diameter of the rubber insert is 4 inches.

Is the jack entirely made of aluminum?

Yes, the jack’s body is made entirely of aluminum. Steel may be present in tiny components like the fasteners.

Can the handle be removed?

Yes, the jack’s handle is removable. Its two-piece design also allows one to separate the handle into two pieces for better storage.

Can I get a one-piece handle for this jack?

The one-piece handle is not mentioned as a replacement part for this jack model. However, you may contact customer support to see whether a compatible handle with this model is available.

Does the rubber pad screw onto the jack saddle?

No, the rubber pad simply sits in the jack saddle.

Does the jack offer controlled lowering for the load?

Yes, unlike several other models in the market, the jack is exceptionally gentle on the vehicle and does not drop the load rapidly. With a slight 3/4th turn of the handle, the weight can be lowered in a controlled manner.

Our Recommendation

Sunex Tools is a well-known name in the business, and it enjoys a broad customer base that can vouch for its product quality. The 6603ASJ jack is no exception to this.

The many customers who bought this jack were extremely pleased with the performance. It is an excellent addition to any garage toolkit.

The lightweight, yet durable design of the jack makes it adequate for use with all kinds of vehicles. The jack also has a wide lift range, which affords the user a bigger and more comfortable workspace.

Overall, the cost-benefit tradeoff for this aluminum lift is in favor of the buyer. We would highly recommend this product to all!

About Jennifer Moore

I'm Jennifer and I am a hardcore car racing lover. I have been writing on automotive topics for more than 8 years now, specializing in performance enhancement. My passion is to help people find the best of what they are looking for, be it an engine or a set of tires. If you want to know something about cars and how they work, just ask me!