Product Overview
4 Port Oil Change System with Reversing Switch - 12V
Features:
- Powerful Gear pump Delivers Nearly twice the Flow as Competitive Models
- TouchPad Controlled
- Bronze Manifold System
- System Sizes from 3 Valves to 6 Valves
- Resettable Overcurrent and Dry Run Protection
- Cover Conceals Pump and Circuitry on G Series
- Oil Pan Adaptors Available for all Common Marine engines
 
            ![GROCO 4 Port Oil Change System w\/Reversing Switch - 12V [G-4A 12V] GROCO 4 Port Oil Change System w\/Reversing Switch - 12V [G-4A 12V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/600x600/products/42719/56123/89992XL__16473.1634947713.jpg?c=2) 
            ![GROCO 4 Port Oil Change System w\/Reversing Switch - 12V [G-4A 12V] GROCO 4 Port Oil Change System w\/Reversing Switch - 12V [G-4A 12V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/50x50/products/42719/56123/89992XL__16473.1634947713.jpg?c=2) 
                   ![GROCO 6 Port Oil Change System w\/Reversing Switch - 12V [G-6A 12V] GROCO 6 Port Oil Change System w\/Reversing Switch - 12V [G-6A 12V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/42717/56121/89990XL__15790.1634947710.jpg?c=2) 
           ![GROCO 3 Port Oil Change System w\/Reversing Switch - 12V [G-3A 12V] GROCO 3 Port Oil Change System w\/Reversing Switch - 12V [G-3A 12V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/42715/56119/89988XL__48932.1634947707.jpg?c=2) 
           ![GROCO 4 Port Oil Change System w\/Reversing Switch - 24V [G-4A 24V] GROCO 4 Port Oil Change System w\/Reversing Switch - 24V [G-4A 24V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/42720/56124/89993XL__62121.1634947714.jpg?c=2) 
           ![GROCO 3 Port Oil Change System w\/Reversing Switch - 24V [G-3A 24V] GROCO 3 Port Oil Change System w\/Reversing Switch - 24V [G-3A 24V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/42716/56120/89989XL__42754.1634947709.jpg?c=2) 
           ![GROCO 6 Port Oil Change System w\/Reversing Switch - 24V [G-6A 24V] GROCO 6 Port Oil Change System w\/Reversing Switch - 24V [G-6A 24V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/42718/56122/89991XL__30376.1634947711.jpg?c=2) 
           ![GROCO Reversing Gear Pump 3\/4" NPT Ports - 12V [GPBR-1] GROCO Reversing Gear Pump 3\/4" NPT Ports - 12V [GPBR-1]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/27610/28222/76107XL__86118.1548200856.jpg?c=2) 
           ![GROCO Gear Pump 3\/4" NPT Ports - 12V [GPB-1 12V] GROCO Gear Pump 3\/4" NPT Ports - 12V [GPB-1 12V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/27609/28221/76106XL__19236.1548200845.jpg?c=2) 
           ![GROCO Paragon Senior 12V Water Pressure System [PWR 12V] GROCO Paragon Senior 12V Water Pressure System [PWR 12V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/43296/56877/89986XL__33498.1639012756.jpg?c=2) 
           ![GROCO SWEETANK Odor Neutralization System - 12V [STK-18 12V] GROCO SWEETANK Odor Neutralization System - 12V [STK-18 12V]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/27479/28091/75336XL__58152.1548200021.jpg?c=2)