Mastercool 53376 R134a AC System Visual Insp Sight Glass
SKU: 85818647216

Mastercool 53376 R134a AC System Visual Insp Sight Glass

$112.90 $125.44
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Mastercool 53376 R134a AC System Visual Insp Sight GlassThe condition of the refrigerant in your A C system is an important factor in the proper operation of all components and overall cooling efficiency. The only way to actually see the condition of the refrigerant in your vehicle's A C system is with the use of the Mastercool visual inspection sight glass. This unit can be used with a standard vacuum pump or with the vacuum function on your R R R machine. Easy to follow instructions will guide you

The condition of the refrigerant in your A/C system is an important factor in the proper operation of all components and overall cooling efficiency. The only way to actually see the condition of the refrigerant in your vehicle's A/C system is with the use of the Mastercool visual inspection sight glass.
This unit can be used with a standard vacuum pump or with the vacuum function on your R/R/R machine. Easy to follow instructions will guide you through the use of either option.
Allows user to visually inspect the refrigerant in any R134a or R1234yf system and identify excess dye, oil or debris
Allows the user to extract a small portion of the refrigerant for actual visual inspection
Leak free, ball valve controlled and will allow the refrigerant extracted for the visual inspection to be deposited back into the system

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 85818647216

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4.7 ★★★★★
Based on 1018 reviews
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Product Reviews
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Verified Purchase
Summer
Birmingham, US
★★★★★ 1
Save your money
Color: Mayday
We bought this specifically for our trip to Florida and had high hopes based on all the positive reviews. Unfortunately, it was a complete disappointment. I used it on all five members of our family exactly as directed, and it did absolutely nothing for any of us. Not only was it ineffective, but it was also extremely overpriced for the results we got—which were none. We felt like we wasted our money on a product that simply doesn’t work as advertised. Looking back, I wish I hadn’t trusted the reviews and had saved my money instead. I rarely leave negative reviews, but I feel it’s important to share my experience so others can make a more informed decision. Based on our experience, I would not recommend this product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
C
Verified Purchase
Cassandra
Louisville, US
★★★★★ 5
Works
Color: Mayday
A little does go a long way. It’s on the pricy side but it was worth it. It’s not something to be using all the time. But definitely a back up for whenever you do get sunburn
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
D
Verified Purchase
Dreazyed
Whiting, US
★★★★★ 5
Really effective!
Color: Mayday
I was totally blown away by how effective this was on my recent burn, I wish I had taken pictures. So much so that I did a deep dive into the ingredients and formula (I'm a nerd). My takeaway is that this is a bargain for the quality of ingredients and the care of the formula. The product absorbs quickly, is non-greasy, and relatively moisturizing and most of all, really effective. I personally appreciate the lack of any real scent or fragrance. I'm a big fan!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
C
Verified Purchase
CosmoGodiva
Whiting, US
★★★★★ 2
Not the results I expected
Color: Mayday
I sooo wanted to love this product; however, the results were not as I expected. Especially at this price point. I have sensitive skin & actually broke out, so maybe I am allergic to one of the ingredients or applied the product too thickly. I’ve experienced better results with Coola’s Radical Recovery Organic After Sun Lotion which is only $32 for 5oz, so it’s definitely more cost effective & delivered better results in my opinion.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
S
Verified Purchase
Shannon Wolf
Carnegie, US
★★★★★ 5
Could double as a sun safe Uruk-hai cosplay
Size: 5 Ounce (Pack of 1), Style: SPF 50+
This sunscreen is amazing. Was in the sun off and on all day. One thing though. Make sure you apply with a mirror in front of you or you may end up walking out the door looking like a Uruk-hai from LOTR. I was in an allfire, trying to get to the fun part of my day, and rushed putting it on. Just as I was about to leave the hotel room I caught myself in the mirror. Complete white hand print on my face where I hadn't rubbed it in well enough. So yeah, works amazing, no sunburn, and needs rubbed in well. LOL
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026

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