★★★★★ 5
recommend
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
PureFlow AirDog II-5G 11-14 Chevrolet 6.6L Duramax DF-220-5G Fuel Air Separation System
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
PureFlow AirDog II-5G 11-14 Chevrolet 6.6L Duramax DF-220-5G Fuel Air Separation SystemSKU: A7SABC514 UPC: 813094010141 PureFlow AirDog II 5G DF 220 5G Fuel Air Separation System for 2011 2014 Chevrolet Silverado and GMC Sierra 6. 6L Duramax Diesel The PureFlow AirDog II 5G DF 220 5G, a high capacity diesel lift pump that delivers 220 gallons per hour of clean, air free fuel directly to your 6. 6L LML Duramax engine. This system outperforms stock pumps and competing options by separating 100% of air and up to 92% of water from the fuel
Quick Dispatch:
Your PureFlow AirDog II-5G 11-14 Chevrolet 6.6L Duramax DF-220-5G Fuel Air Separation System orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your PureFlow AirDog II-5G 11-14 Chevrolet 6.6L Duramax DF-220-5G Fuel Air Separation System ships.
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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]
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4.8 ★★★★★
Based on 211 reviews
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Product Reviews
★★★★★ 4
Does not come with a pump.
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself.
The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that.
The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
★★★★★ 5
Works fine in outdrive
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Good gear oil. Purple dye for leak detection
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Good Quality
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Always the best quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
★★★★★ 5
Looks well made
Looks well made. Rubber seems pliable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
