Sherwood GC1 Flange Mounted Engine Cooling Pump (1-1/2" Ports)

Part No: SWGC1

This is a genuine Sherwood GC1 flange mounted boat engine cooling pump, using raw water intake (river water or sea water) to cool the engine. The Sherwood GC1 is supplied complete with a 12 vane through key drive flexible neoprene impeller.

The Sherwood GC1 flexible impeller engine cooling pump replaces the Sherwood pump models GC1-01.

Typical applications for the Sherwood GC1 pump include: Cummins B series and Cummins 6B engines up to 250HP. Replaces Cummins pump 3912962.

The raw water engine cooling pump is the heart of the marine engine, supplying a continuous flow of raw water to maintain temperatures consistent with the demanding engine performance. Over the years, Sherwood raw water pumps have developed a reputation of excellence in quality; and today are chosen for their performance and dependability by the most prestigious marine engine manufacturers.

Sherwood pumps are one of the largest suppliers of flexible rubber impeller cooling pumps for marine engines in the USA. They can be found fitted on some of the most well known engine brands in both pleasure and commercial boats.

To ensure that your boat engine cooling pump performs as required, regular preventative maintenance and inspection should be carried out. The Sherwood engine cooling pump impeller should be replaced every 3 - 12 months depending on application.

The number one reason for premature engine wear is overheating. To maintain engine performance, insist upon genuine Sherwood impeller pumps, impellers and service kits.

Sherwood GC1 Spare Parts:

Key | Spare Parts | Part Number | Quantity

1 | Screw | 12857 | 3

2 | Lock Washer | 12710 | 3

3 | Body | 14160 | 1

4 | Housing | 17684 | 1

5 | Impeller | 15000 | 1

6 | O-Ring | 12231 | 1

7 | End Plate | 12856 | 1

8 | Gasket | 12855 | 1

9 | Key | 4432 | 1

10 | Shaft | 21069 | 1

11 | Retaining Ring | 4258 | 44257

12 | Washer | 4264 | 1

13 / 14 | Mechanical Seal | 12859 | 1

15 | Retaining Ring | 14161 | 1

16 | Retaining Ring | 4259 | 2

19 | Ball Bearing | 23448 | 2

20 | Spacer | 5133 | 1

21 | Cam Plate | 18398 | 1

22 | Cam Screw | 10515 | 1

23 | Drive Pulley | 14184 | 1