How do you install this? Is it located where the receiver/dryer outlet is? Thanks

the receiver dryer must match the one you are replacing. If it fails to match it will require modification and installation will fail. You should also replace the filter for the system. After all parts replaced you must evacuate system with a vacuum pump. This will at least an hour. It will require special AC gauges to allow correct freon installation and testing.

Yes it's for R-134 and R12 it's been used for years and still in use

The Amazon listing show several different part numbers for my car. How do I know which orifice tube is the correct one?

The white tube is the most common. Best way get correct tube, is to pull the original. But try searching other auto part sites and see what is offered. Make sure to input all pertinate info about vehicle. Hope this helps!

Is the stock orifice diameter always the best, or can it sometimes help to try other sizes? I'm in Missouri.

No you should not vary from the factory size. If the system is in good working condition and full of gas it should blow cold. My 2013 s10 has 315k miles on it and still has all the factory ac parts it came with. I do add one small can of pressurized oil to it about once a year and a little gas if needed. What happens to the orifice tube is it traps any debris that might be in the system due to the very small screen which is an indication of impending compressor failure hence the oil once a year. Invariably a little gas will leak out over time through hoses and seals. The new vehicles do a better job of retaining the gas.Hope this helps.

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❄️ Stay cool, stay ahead – upgrade your ride’s A/C game!

LIGHTWEIGHT YET ROBUST - Compact 4.54g design ensures durability without adding bulk.
TRUSTED AC DELCO QUALITY - Backed by a brand synonymous with professional-grade automotive parts.
BOOST YOUR A C EFFICIENCY - Enhances HVAC system performance for consistent, cool comfort all year round.
SEAMLESS OEM COMPATIBILITY - Engineered to match exact fit, form, and function for hassle-free installation.
GLOBAL STANDARDS LOCAL EXCELLENCE - Manufactured to meet international quality benchmarks, ensuring reliability wherever you drive.

The ACDelco Gold 15-5754 Air Conditioning Orifice Tube is a precision-engineered aftermarket replacement designed to meet or exceed OEM standards. Lightweight and durable, it ensures optimal HVAC system performance with a perfect fit, delivering reliable cooling efficiency for your vehicle.

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Manufacturer	ACDelco
Brand	ACDelco
Product Dimensions	10.16 x 2.03 x 1.02 cm; 4.54 g
Item model number	15-5754
Manufacturer part number	15-5754
OEM Part Number	19189768
Item Weight	4.54 g

ACDelco Gold 15-5754 (19189768) Air Conditioning Orifice Tube

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