Mastercool 81490 R134A Valve Core Remover And Installer Tool For Automotive Air Conditioning Systems
Why you'll like it
- No-Loss Refrigerant Service — Built-in stainless steel ball valve allows core swaps under active system pressure without gas loss.
- Dual Port Compatibility — Fits standard 13 millimeter low-side and 16 millimeter high-side automotive R134a service ports.
- Rugged Build Quality — Constructed with a durable brass body and hardened steel shafts for long-lasting professional performance.
- Reduced System Downtime — Eliminates the need to fully discharge and evacuate the air conditioning system prior to valve replacement.
Product details
Description
The Mastercool 81490 R134a Valve Core Remover and Installer is an essential professional-grade automotive tool designed to service air conditioning systems efficiently. Built with a durable brass body and hardened steel shafts, this compact tool allows technicians and mechanics to remove and replace standard R134a valve cores while the system remains fully pressurized.
The integrated stainless steel ball valve and internal shutoff block off system refrigerant during core swaps, completely eliminating the need to fully discharge, evacuate, or recover the entire A/C system beforehand. Compatible with both standard 13 millimeter low-side and 16 millimeter high-side R134a service ports, this USA-designed tool drastically reduces automotive repair downtime and prevents refrigerant loss.
Ideal for professional workshops and advanced DIY automotive enthusiasts looking for reliable, precision-engineered climate control maintenance equipment.
How to use
- Ensure the system is compatible with standard R134a valve cores.
- Attach the tool securely to the 13 millimeter low-side or 16 millimeter high-side service port.
- Engage the tool shaft to capture the valve core, close the built-in ball valve to retain system pressure, and remove the core for inspection or replacement.
Ingredients
Premium brass body, hardened steel shafts, stainless steel internal ball valve components, rubber O-ring seals.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Mastercool |
|---|---|
| UPC | 700376814903 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
Top reviews first: highest rated, with photos first
- Aniket P.5 ★
khupach bhari tool ahe
mazya car chya ac madhe leakage chya tras mule khup dokhaduk zali hoti. tyamule mi hi tool order keli hoti. packaging changli hoti ani product pan ekdum professional quality watla. to 13mm low-side port la barobar basla ani gas recover na krtach leak fix zala. khupach anand zala baghun ki kaam patkan zale. aish vatli.
- Sandeep V.5 ★
mst item h bhai
aree bhai maza aa gya isko use krke. garage pe ac ka core change krana tha aur wo log gas nikalne ka extra charge mang rhe the. maine ye mangwa liya aur khud hi low-side port pe laga ke aaram se core change kr diya bina gas leak kiye. iska jo built-in ball valve system h wo ekdum sahi kaam krta h. delivery bhi time pe mil gyi thi. heavy duty cheez h steel shaft wali, worth it h.
- Vikram M.4 ★
good tool saves time
bought this so i could fix my father's old sedan ac without emptying out the whole refrigerant line. my dad always complains about garage bills so tried doing it myself. the brass body feels heavy and solid in hand. only thing is it took a minute to figure out the 1/4-turn lever since instructions are very basic, but once sorted it worked smoothly. pretty happy with how it saved us a trip to the mechanic.
FAQs
Tool to change Schrader valve without losing air?
Yes, the Mastercool 81490 features a built-in ball valve and internal shutoff mechanism that blocks off refrigerant, allowing you to remove and replace Schrader valve cores while the system remains fully pressurized without any gas loss.
What size service ports does this valve core remover fit?
This tool is fully compatible with standard automotive R134a systems, fitting both 13 millimeter low-side service ports and 16 millimeter high-side service ports.
Does this tool work on all vehicle air conditioning systems?
It is designed for standard R134a systems, but note that certain vehicle models like specific Ford, GM, and Chrysler vehicles use non-standard or oversized cores that may require alternative universal kits.
Are these imported USA products authentic when buying from Dropy India?
Yes, Dropy sources 100% authentic USA-imported products directly from the United States to ensure genuine build quality and performance for Indian customers.
Do I need to discharge the A/C system before using this tool?
No, the primary advantage of this tool is its under-pressure operation capability, which lets you swap valve cores without evacuating or discharging the refrigerant charge.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.