How does fill speed compare to Yong Heng?

Takes me 25 mins to fill my ninja 77/4500 tank

If and when this compressor needs to be rebuilt is there a rebuild kit available and if so were can I purchase it and how.

Mine was shipped with extra o rings, screws, collars, small wrench. But the manual mentions nothing about rebuilds or replacing worn o rings. The manual is in "Chinglish" so it is poorly translated English. I think if it leaks or fails to work ur best bet is to see if Amazon or the manufacturer can facilitate some repair or replacement otherwise try fixing it DIY. For the low price even if it breaks down in 5 or 6 years u got ur money's worth.

So i’m being told this is the updated oil bath version and not the old grease version. so then, how often do you need to change the oil?

There is no oil change required. It's totally maintenance free.

Thx for helping with my question. Since the water and oil separator filter is built in, would you recommend putting one in the air line ??

Yes, I would highly recommend putting an additional filter on any air compressor as almost every air compressor eventually puts water inside your pcp airguns.

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GX PUMP GX-E-CS3 Portable PCP Air Compressor 4500Psi, Auto-Stop,Oil-Free | Quick Fill & Long-Lasting,Built-in Water-Oil Separator Filter,Powered by Car 12V DC or Home 110V AC ,Paintball Air Compressor

Product ID: 173972024

Details

Brand
GX pump
Noise Level
75 Decibels
Power Source
ac/dc
Recommended Uses For Product
Inflate
Voltage
12 Volts

⚡4500 PSI max pressure

🔋Dual power: 12V DC & 110V AC

⏱️2:30 min fill time (190cc tank)

2964.45 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Power Up Your Air Game with GX Precision & Speed!

RAPID FILL SPEEDS - Fill a 190cc tank in just 2:30 minutes or a 480cc carbon bottle in 7:30—perfect for on-the-go professionals.
VERSATILE POWER OPTIONS - Use it anywhere with 12V car battery or 110V home outlet compatibility, plus a sleek wire spool for tangle-free setup.
PRECISION AUTO STOP CONTROL - Set your target pressure and relax—compressor stops automatically, eliminating guesswork and overfilling.
PATENTED ROLLER BEARING TECH - Exclusive GX design reduces wear, extends compressor life, and ensures peak performance under high pressure.
OIL FREE HYGIENIC OPERATION - Maintenance-free, clean air compression with built-in water-oil separator for safer, longer-lasting use.

The GX PUMP GX-E-CS3 is a portable, oil-free PCP air compressor delivering up to 4500 PSI with patented roller bearing technology for durability. Featuring an auto-stop function, built-in water-oil separator, and rapid fill times, it supports both 12V DC car and 110V AC home power sources. Designed for professionals needing reliable, quick, and clean air compression for paintball, airguns, and small tanks up to 1.5L.

Specifications

ASIN	B0819ZH85H
Additional Features	Easy to Install
Air Flow Capacity	7 Liters Per Minute
Best Sellers Rank	#138,955 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #117 in Portable Air Compressors
Brand Name	GX pump
Capacity	500000 ml
Color	Red
Compatible Hose Diameter	8 Millimeters
Customer Reviews	4.4 4.4 out of 5 stars (1,158)
Hose Length	19.6 Inches
Included Components	compressor, 12v converter,user manual, accessory bag
Item Dimensions L x W x H	9.4"L x 5.1"W x 10"H
Item Weight	17 Pounds
Manufacturer	Ankul
Manufacturer Part Number	GX-E-CS3
Material Type	Metal
Maximum Horsepower	0.34 Horsepower
Maximum Power	250 Watts
Maximum Pressure	4500 Pound per Square Inch
Model Name	CS3
Model Number	GX-E-CS3
Noise	75 Decibels
Power Source	ac/dc
Recommended Uses For Product	Inflate
Style	with domestic converter 220V-12V
Tank Volume	1.5 Liters
UPC	734830971987 741802666185
Unit Count	1.0 Count
Voltage	12 Volts

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