Berkeley has been manufacturing pumps of many kinds since 1937. The Berkeley Jet Drive was introduced in 1960, and many thousands have been supplied to the boating public since then. Today Berkeley offers four 12J drives, each a little different but incorporating essentially the same basic features and using, where possible, many of the same parts for interchangeability.
Berkeley 12JC & 12JG Reverse Control Connector Kit
This kit is for hooking up your forward reverse cable with
all the correct parts from Berkeley Jet
This kit includes:
This kit includes all of the needed gaskets and O-rings to bring your jet drive back from the dead.
12JG Gasket Kit
12JI Pump w/Hydraulic Place Diverter, Transom Assembly Not Included
This pump is the latest
evolution of the family of Berkeley Jets With over a million pumps sold
we've used our knowledge to develop the All New Berkeley 12JI Pump.
This pump begins its construction with a super
tough, high strength aluminum alloy 356T alloy casting the strongest most
serviceable aerospace material around Then each unit is CNC machined,
hard anodized, and powder coated "Berkeley White™".
Each unit is assembled using only the
finest in stainless steel hardware, but its what's inside that counts.
Starting with Berkeley's unique single stage mixed flow impeller that
produces maximum thrust per horsepower. The 12JI Pump also incorporates a
special trimming device allowing you to adjust your boat's attitude while
underway through the use of a manual control. A hydraulic control is
The 12JI Pump is sold as a pump only for
replacement of inferior copy pumps or just a tired original Berkeley unit.
12JI Pump w/Hydraulic Place Diverter, Transom Assembly Not Included (With Exchange)
You can now take advantage of the factory
to consumer special allowing you to trade in your old pump for credit
towards the All New Berkeley 12JI.
All Berkeley pumps seals only kit
Aluminum Impeller, Inducer & Shaft Kit
This do-it-yourself kit comes with a new 17-4 machined Aquamet shaft with the
aluminum impeller, inducer, shaft sleeve, thrust bearing and snap ring
If you're looking for some more low-speed maneuverability or improved high-speed tracking then here's your answer Berkeley manufactures two models of bolt-on rudders The first is an entry level economy plastic rudder, while the second is a sturdy cast aluminum version of the same rudder. Note: The plastic unit will not survive in aggressive boating situations If you want durabilitythen you need an aluminum rudder. Rudders sold complete with pin and hardware.
Aquamet Severe Duty Berkeley Pump Shaft For 500+ HP applications
Aquamet is a modified Type 304 stainless steel that is fully austenitic, non-magnetic and strengthened by nitrogen addition, with corrosion resistance better than Type 304 stainless steel.
This kit gives you all of the items to make a impeller and wear ring change that will bring your pump back to factory new specs.
Berkeley Jet Stickers 4" Wide x 1-1/2" Tall
If your impeller wear ring surface is still at the factory 7.225 dimension but the wear ring is worn then this is the kit for you! It includes a new standard 7.250 ID wear ring and the insulator that holds the wear ring into the suction housing.
These seals keep the grease and oil in and the water out! It includes the seals on each side of the thrust bearing as well as the bowl, oil seal and the 4 packing rings.