Are you in the market for a reliable and powerful portable compressor kit for your RV or truck? We’ve been researching the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit, and it seems to be a top contender.
This compressor kit offers an automatic shut-off function, making it very convenient to use. It is capable of producing pressures up to 150 PSI and can operate for up to 40 minutes at a time before needing to rest. The kit also comes with a close-ended gas station-style air gun for added convenience.

We were also impressed by the VIAIR 90145 RV Winterization Kit, which is a convenient and easy do-it-yourself kit that protects your RV’s water system from freezing during the winter months. The kit includes a 1/4″ quick connect coupler and stud, blow out plug, and regulator. Please note that this kit is to be used with VIAIR 400P-RV or 450P-RV models only.
Bottom Line
If you’re looking for a reliable and convenient portable compressor kit for your RV or truck, the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit is definitely worth considering. And don’t forget to check out the VIAIR 90145 RV Winterization Kit to protect your RV’s water system during the winter months. Click here to purchase these kits and enjoy the peace of mind that comes with having a reliable compressor on hand.
Overview of the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit
Looking for a reliable and powerful portable tire inflator? Look no further than the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit. This 100% duty cycle unit can inflate tires up to 42 inches with pressures up to 150 PSI. Plus, with its automatic shut-off function, you can rest easy knowing you won’t overinflate your tires.
The kit includes a close-ended Gas station-style air gun for added convenience. It’s perfect for truck and SUV owners who want to keep their tires inflated and ready for the road.
Plus, with the VIAIR 90145 RV Winterization Kit, you can protect your RV’s water system from freezing during the winter months. This easy-to-use kit is designed to be used with the VIAIR 400P-RV or 450P-RV models only and includes a 1/4” Quick Connect Coupler And Stud (M, NPT), Blow Out Plug, and Regulator.
Overall, the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit is a great investment for anyone who wants to keep their tires inflated and their RV’s water system protected.
Automatic Shut-Off Feature

One of the best features of the VIAIR 450P Portable Compressor Kit is its automatic shut-off feature. This feature ensures that the compressor stops inflating when it reaches the set pressure, preventing over-inflation. This feature is especially useful for those who are not familiar with tire pressure and may accidentally over-inflate their tires.
The automatic shut-off feature also saves time and energy by eliminating the need to constantly monitor the compressor while inflating tires. This feature allows us to multitask and attend to other tasks while the compressor does its job.
Overall, the automatic shut-off feature is a great addition to the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit. It is an essential feature that ensures safety and convenience while inflating tires.
Portable and Convenient
When it comes to portability and convenience, the 450P Kit is an excellent choice. This powerful tire inflator is capable of inflating up to 42-inch tires and comes with a close-ended gas station-style air gun for added convenience. Plus, with its automatic shut-off function, you don’t have to worry about overinflating your tires.
The VIAIR 450P- 45053 RV is 100% duty cycle, which means it can be operated for up to 40 minutes at a time before needing a rest. This makes it perfect for inflating multiple tires or for use on larger vehicles like trucks and SUVs.
Overall, the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit is an excellent choice for anyone looking for a portable and convenient tire inflator.
Click here to check out the VIAIR 450P Portable Air Compressor on Amazon
Pros and Cons
Pros
We found that the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit is an excellent choice for anyone looking for a tire inflator that can handle larger tires. Here are some of the pros we discovered:
- Portable and easy to carry around
- Can handle tires up to 42 inches in size
- Comes with a winterization kit
- Has a 1/4” quick connect coupler and stud (M, NPT)
- Works well on a variety of vehicles, including RVs, trucks, and SUVs
- Has a high rating of 4.8 stars on Amazon with over 1700 reviews
Cons
While the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit has many benefits, we also found some cons to consider before purchasing:
- Does not have a 120-volt plug, which may be inconvenient for some RVers
- Is a bit heavier than expected, which may make it more difficult to carry around
- Some users reported that the kit struggled to inflate tires to the recommended pressure for their specific vehicle
Overall, we believe that the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit is a great choice for anyone looking for a reliable tire inflator that can handle larger tires. However, it is important to keep in mind the cons we mentioned before making a purchase decision.
Click here to check out the VIAIR 450P Portable Air Compressor on Amazon
Customer Reviews

We scoured through the customer reviews of the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit and found that customers were overwhelmingly satisfied with its performance. The compressor is powerful enough to inflate tires up to 42 inches and can easily handle the 110 psi required for class A motorhome tires. Customers appreciated the included accessories, such as the air chuck for duals and the extension line for filling portable air tanks.
One downside mentioned by a few customers was the lack of a 120-volt plug, which would have been more convenient for RV use. However, overall, customers found the compressor to be a great investment for peace of mind when it comes to properly inflating tires.
Conclusion
Overall, the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit and 90145 RV Winterization Kit are great additions to any RV owner’s toolkit. With the ability to inflate tires up to 42 inches and an automatic shut-off function, the 450P-rv automatic is both powerful and convenient. The close-ended gas station-style air gun is a nice touch, making it even easier to use.
The 90145 RV Winterization Kit is also a must-have for any RV owner looking to protect their water system during the winter months. It’s easy to use and can help avoid costly repairs in the spring.
While we wish the compressor had a 120-volt plug for easier use with RVs, the overall quality and performance make it worth the investment. The included accessories and quiet operation are also a nice bonus. We highly recommend the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit and 90145 RV Winterization Kit to any RV owner in need of reliable and convenient tire inflation and winterization options.
Click here to check out the VIAIR 450P Portable Air Compressor on Amazon
Frequently Asked Questions
What are the reviews for the VIAIR 300P-RVS?
We looked through several reviews of the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit and found that customers are generally very satisfied with their purchase. Many reviewers praise the unit’s power and versatility, noting that it is capable of inflating tires up to 42 inches in size. Others appreciate the automatic shut-off function, which helps prevent over-inflation and makes it easy to use the compressor without constantly monitoring the pressure gauge.
What is the difference between the VIAIR 400P-RVS Automatic Tire Inflator and the 450P RV Compressor Kit?
The main difference between the VIAIR 400P-RVS Automatic Tire Inflator and the 450P RV Compressor Kit is the size and power of the units. The 450P RV Compressor Kit is larger and more powerful, with a 100% duty cycle and the ability to operate for up to 40 minutes at a time. It also comes with a close-ended gas station-style air gun for added convenience. The 400P-RVS, on the other hand, is smaller and more portable, making it a better option for those who need to inflate tires on the go.
Who manufactures VIAIR compressors?
VIAIR compressors are manufactured by VIAIR Corporation, a leading supplier of portable air compressors and inflation accessories for a wide range of applications. The company is based in Irvine, California and has been in business since 1998.
What is the VIAIR Twist-on 90-degree RVS Chuck 40 PN 00052?
The VIAIR Twist-on 90-degree RVS Chuck 40 PN 00052 is an accessory for the VIAIR 450P- 45053 RV Silver Automatic Portable Compressor Kit that allows you to easily inflate tires on your RV or other large vehicle. The 90-degree design provides easy access to hard-to-reach valves, while the twist-on connection ensures a secure and leak-free seal.
What size air compressor is needed to winterize an RV?
The size of the air compressor needed to winterize an RV will depend on the size of your RV’s water system and the amount of air pressure required to properly blow out the lines. In general, a compressor with a minimum of 30 gallons of air storage and a maximum output pressure of 150 PSI should be sufficient for most RVs.
What PSI is needed to winterize an RV?
The PSI needed to winterize an RV will vary depending on the size of your RV’s water system and the amount of air pressure required to properly blow out the lines. In general, a pressure of at least 30 PSI is recommended, but you should consult your RV’s owner’s manual or a professional RV technician for specific recommendations.

