Hand Diaphragm Bilge & Transfer Pump, 4.4 GPM — for Bilge Water, Diesel, Gasoline & Oils, Drum Mount Kit Hand Diaphragm Bilge & Transfer Pump, 4.4 GPM — for Bilge Water, Diesel, Gasoline & Oils, Drum Mount Kit GROZ USA Hand Operated Diaphragm / Bilge Pump up to 4.40 GPM Flow Rate  The Groz Diaphragm/Bilge Pump is designed to operate as a Bilge pump to evacuate standing bilge water. This pump is constructed from minimal parts, making maintenance simpler. The handle can be fitted in line or at 90° to the inlet & outlet ports for easy installation. This material used to make this pump allows a high chemical compatibility, which makes it useful in applications such as industrial, agricultural, automotive, and marine.  This pump comes with components: Suction & discharge hose (1" I.D. x 2m) Delivery nozzle Hose clamps Drum attachment kit for converting pump for mounting on drums with a 2" opening Suction drum hose (3/4"I.D. x 1.25 m) Connecting links & strainer Recommended Use Water, Sea Water, Diesel, Bio Diesel, Kerosene, Gasoline, Mineral Oils, Heating Oils, Synthetic Oils, Engine Oils, Antifreeze, emulsions and liquids with small bodies in suspension Flow Rate Up to 4.40 GPM (16.6 LPM) Wetted Components Polyacetal, Thermoplastic Polyurethane, Stainless Steel, PVC Working Temperature 14°F to 104°F (-10°C to 40°C) Made in India by GROZ Engineering Tools

Hand Diaphragm Bilge & Transfer Pump, 4.4 GPM — for Bilge Water, Diesel, Gasoline & Oils, Drum Mount Kit

Code: 44500
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$149.09 $105.24
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Hand Operated Diaphragm / Bilge Pump


up to 4.40 GPM Flow Rate 


The Groz Diaphragm/Bilge Pump is designed to operate as a Bilge pump to evacuate standing bilge water. This pump is constructed from minimal parts, making maintenance simpler. The handle can be fitted in line or at 90° to the inlet & outlet ports for easy installation. This material used to make this pump allows a high chemical compatibility, which makes it useful in applications such as industrial, agricultural, automotive, and marine. 

This pump comes with components:

  • Suction & discharge hose (1" I.D. x 2m)
  • Delivery nozzle
  • Hose clamps
  • Drum attachment kit for converting pump for mounting on drums with a 2" opening
  • Suction drum hose (3/4"I.D. x 1.25 m)
  • Connecting links & strainer


Recommended Use Water, Sea Water, Diesel, Bio Diesel, Kerosene, Gasoline, Mineral Oils, Heating Oils, Synthetic Oils, Engine Oils, Antifreeze, emulsions and liquids with small bodies in suspension
Flow Rate Up to 4.40 GPM (16.6 LPM)
Wetted Components Polyacetal, Thermoplastic Polyurethane, Stainless Steel, PVC
Working Temperature 14°F to 104°F (-10°C to 40°C)

Made in India by GROZ Engineering Tools

Hand Operated Diaphragm / Bilge Pump


up to 4.40 GPM Flow Rate 

The Groz Diaphragm/Bilge Pump is designed to operate as a Bilge pump to evacuate standing bilge water. This pump is constructed from minimal parts, making maintenance simpler. The handle can be fitted in line or at 90° to the inlet & outlet ports for easy installation. This material used to make this pump allows a high chemical compatibility, which makes it useful in applications such as industrial, agricultural, automotive, and marine. 

This pump comes with components:

  • Suction & discharge hose (1" I.D. x 2m)
  • Delivery nozzle
  • Hose clamps
  • Drum attachment kit for converting pump for mounting on drums with a 2" opening
  • Suction drum hose (3/4"I.D. x 1.25 m)
  • Connecting links & strainer


Recommended Use Water, Sea Water, Diesel, Bio Diesel, Kerosene, Gasoline, Mineral Oils, Heating Oils, Synthetic Oils, Engine Oils, Antifreeze, emulsions and liquids with small bodies in suspension
Flow Rate Up to 4.40 GPM (16.6 LPM)
Wetted Components Polyacetal, Thermoplastic Polyurethane, Stainless Steel, PVC
Working Temperature 14°F to 104°F (-10°C to 40°C)

Made in India by GROZ Engineering Tools

Return Policy


30-Day Satisfaction Guarantee
Return Policy, Limited Warranty and Limitation of Liability
If you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (provided the product is undamaged). Return documentation should clearly specify credit or exchange. Returned items must be in the original packaging. All returns must include a return authorization (RA) number that can be obtained by contacting Groz USA Customer Service Department at 1-888-685-2916. Our customer service hours are Monday through Friday from 8:00 a.m. to 5:00 p.m. (CST). Include a copy of the original order confirmation or packing slip with your RA paperwork as proof of purchase. Returns received without a RA number may be assessed a 15% restocking (processing) fee that will be deducted from any credit due.

Shipping Policy


No shipping and handling are charged to customers for standard ground delivery on orders of $75 or more before tax. Shipping Policy Exceptions: Not all products qualify for the above Shipping Policy. Additionally, standard shipping rates will apply for all orders to Alaska and Hawaii. Any charges incurred for hazardous materials or other special handling by the carrier must be paid by the customer. If you have any questions, please call our customer service department at 1-888-685-2916

Frequently Asked Questions

What can the hand diaphragm bilge pump move?
Bilge and sea water, fresh water, diesel, biodiesel, kerosene, gasoline, mineral, heating, synthetic and engine oils, antifreeze, emulsions, and liquids with small suspended solids, at up to 4.40 GPM (16.6 LPM). Working temperature is 14°F to 104°F.
Can it mount on a drum, and what comes with it?
Yes. A drum attachment kit converts it for 2 in. drum openings, with a 3/4 in. ID x 1.25 m suction drum hose. It also includes 1 in. ID x 2 m suction and discharge hoses, a delivery nozzle, hose clamps, connecting links and a strainer. The handle fits in line or at 90° to the ports.
Where is this made?
GROZ products are manufactured in India by GROZ Engineering Tools, a tool manufacturer founded in 1976 with ISO 9001 certified facilities. GROZ USA, based in Wood Dale, Illinois, supports customers across North America.
Can I return it if it's not right for me?
Yes. Undamaged products in their original packaging can be returned within 30 days of shipment for a full credit or exchange. Call (888) 685-2916 first to get a Return Authorization (RA) number, and include a copy of your order confirmation or packing slip.