FOUR UNCLES 6.5L Pneumatic/Manual
#3 in PneumaticFull review
A low-cost 6.5 L dual-mode extractor with three tube sizes, for car oil changes.
Amazon $56.69$56.69
The FOUR UNCLES 6.5L Pneumatic/Manual is the better fluid extractor overall, rated 3.3 to 2.9. The FOUR UNCLES 6.5L Pneumatic/Manual leads on price and tube kit. The OEMTOOLS 24937 6L Fluid Extractor wins on features. The FOUR UNCLES 6.5L Pneumatic/Manual costs $42.30 less ($56.69 vs $98.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
OEMTOOLS 24937 6L Fluid Extractor
#8 in PneumaticFull review
A 6 L dual-mode extractor with an overflow shutoff, for car oil changes in the shop or the driveway.
Amazon $98.99$98.99
Which should you buy?
- Choose the FOUR UNCLES 6.5L Pneumatic/Manual for price ($56.69 vs $98.99) and tube kit (3 suction tubes vs 2 suction tubes).
- Choose the OEMTOOLS 24937 6L Fluid Extractor for features (overflow shutoff, works without a compressor vs works without a compressor).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every pneumatic fluid extractor; a clear win is highlighted. How we rank explains each one.
| Factor weight | FOUR UNCLES 6.5L Pneumatic/Manual | OEMTOOLS 24937 6L Fluid Extractor |
|---|---|---|
| Overall rating | 3.3/5 | 2.9/5 |
| Price 30% | 91 $56.69 | 51 $98.99 |
| Capacity 25% | 23 6.5 L tank | 18 6 L tank |
| Tube kit 15% | 67 3 suction tubes | 33 2 suction tubes |
| Features 15% | 25 works without a compressor | 70 overflow shutoff, works without a compressor |
| Warranty 15% | 33 1-year warranty | 33 1-year warranty |
Specifications
| FOUR UNCLES 6.5L Pneumatic/Manual | OEMTOOLS 24937 6L Fluid Extractor | |
|---|---|---|
| Extraction | ||
| Drive | Air or hand pump | Air or hand pump |
| Tank capacity | 6.5 L | 6 L |
| Rated flow | 1.8 L/min | - |
| Air pressure | - | 1/4 in NPT, M-style coupler |
| Tubes and hoses | ||
| Suction tubes | 3 | 2 |
| Suction hose | - | 60 in |
| Features | ||
| Overflow shutoff | No | Yes |
| Hand pump | Yes | Yes |
| Pour spout | No | No |
| Dispenses fluid | No | No |
| Build | ||
| Warranty | 1 year | 1 year |