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Great Plains Industries, Wichita, KS, will be closed Friday, July 3rd, 2026, as part of the July 4th holiday.

We will resume normal business hours on Monday, July 6th

Great Plains Industries, Wichita, KS, will be closed Friday, July 3rd, 2026, as part of the July 4th holiday.

We will resume normal business hours on Monday, July 6th

SEE HP-100 EXPLODED PARTS VIEW

Shop for replacement parts using the exploded view diagram below

HP-100 Parts & Accessories

Shop here for GPI HP-100 Hand Pump Parts and Accessories. Keep your hand pump working as efficiently as it did new with these overhaul/rebuild kits.

Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

HP-100 Hand Pumps Rebuild Kit

2+ in stock

Rebuild kit for HP-100 hand pumps. The kit includes a piston ring, three seals, packing seals, mylar film, and a liner to restore smooth manual pum...

View full details
Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99
Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99

HP-100 Hand Pumps Check Valve and Gasket Kit

Only 2 left!

Replacement check valve and gasket kit for HP-100 hand pumps. Helps maintain proper sealing and reliable manual pump performance.

Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99
Original price $11.99 - Original price $11.99
Original price
$11.99
$11.99 - $11.99
Current price $11.99

HP-100 Hand Pumps Packing Seals

Out of stock

Replacement packing seals for HP-100 hand pumps. Designed to restore proper sealing, reduce leaks, and support reliable manual pump operation.

Original price $11.99 - Original price $11.99
Original price
$11.99
$11.99 - $11.99
Current price $11.99
Sold out