Amazon Secure Payment System Continue shopping “Johnson Pumps of America 28552 Marine Pump Cartridge for 500 GPH Motor” has been added to your cart. Product Price Quantity Subtotal × Rig Rite Manufacturing 350 Marine 12-Volt 50-Amp Circuit Breaker with Automatic Reset $10.30 Rig Rite Manufacturing 350 Marine 12-Volt 50-Amp Circuit Breaker with Automatic Reset quantity $10.30 × Johnson Pumps of America 28552 Marine Pump Cartridge for 500 GPH Motor $21.61 Johnson Pumps of America 28552 Marine Pump Cartridge for 500 GPH Motor quantity $21.61 Coupon: Apply coupon Update cart Cart totals Subtotal $31.91 Total $31.91 Proceed to checkout