FREPURDO Brass Core Impeller & Seal Kit - Professional Grade Replacement for Milwaukee M18 Transfer Pump 2771-20, OEM 49-16-2771 Upgrade with FFKM O-Ring 

Brand: FREPURDO

Features:

• ​​Exact OEM replacement for 49-16-2771 & 2771-20​​ with upgraded CNC-balanced brass core. Direct fit for ​​M18 cordless transfer/sump pumps​​ - no modifications needed. ​​
• ​​Military-spec silicone oil seal​​ + ​​FFKM O-rings​​ withstand ​​gasoline/ethanol blends​​ and ​​-40°F to 302°F temps​​. Solves leaks in ​​chemical transfer pumps​​ - lasts ​​3X longer than Haofy rubber kits​​ per SAE J200.
• ​​Forged naval brass core​​ resists ​​cavitation erosion​​ in ​​sandy water​​. Tested to ​​500+ hrs continuous operation​​ - exceeds ​​Milwaukee OEM specs MTL-2025-077​​. Compatible with ​​all M18 battery generations​​ (2018-2024).
• Complete Repair Kit: Includes O-rings, seal washers, and stainless fasteners for Milwaukee M18 pump rebuilds. Fixes leaks caused by worn pellet O-rings in MLW 49-16-2771 systems.
• Fits 2771-20 pumps made 2016-2024​​ (check serial prefix ​​"TD" or "PF"​​). ​​Avoid knockoff failures​​: Our brass core weighs ​​37.5g±0.1g​​ - ​​counterfeits average 32g​​. QR code verifies authenticity.

model number: 1 Pack

Part Number: 49-16-2771

Package Dimensions: 8.4 x 4.3 x 2.4 inches