My Account | My Garage | Commercial/Dealer Login | Order Status |
Contact Customer Support
M-F: 9am-6pm ET
Sat: 9am-5pm ET
Sun: 11am-5pm ET
| 1-877-737-2787
Shopping Cart

Over 1,000,000 Orders Shipped Since 1997!

4320 3/4" Gas Flange Hollow Shaft Triplex Plunger Pump

Barens 4320 3/4" Gas Flange Hollow Shaft Triplex Plunger Pump

Part#:  4320
There are no reviews at this time.
Barens OEM Part

This Item is No Longer Available.


3/4" Gas Flange Hollow Shaft Triplex Plunger Pump

Fits Model


Also Fits Model


Replaces OEM

Comet 6303.0754.00

WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to


Type Hollow Shaft Pump
Inlet 1/2" FPT
Reversible crankshaft for easy righ or left hand mounting
Forged bronze connecting rods with lifetime warranty
Hardened stainless steel piston guides
High efficiency stainless steel check valves
Abrasion proof, heat resistant, industrial ceramic plungers
High quality buna-textile double sealing v-packings
High quality oversized bearings
Design for optimal operating temperature
Die-cast anodized aluminum chrankshaft fin
Maximum Pump Speed: 3400 RPM
Minimum Horsepower Requirements: 7.5 hp for gas engines
Shaft Diameter: 3/4" hollow with gas flange
Crankcase Capacity: 9.87 oz. use SAE 20W/30 oil
Lubrication: fill crankcase with SAE 20W/30 oil per pump specifications. Change oil after 50 hour break-in period, then in 500 hour intervals thereafter.
Built In Uniflow Unloader and Adjustable Chemical Injector
Ceramic Plungers, Forged Brass Manifold
Stainless Steel Check Valves and Piston Guides
Gallons Per Minute 3.0
Outlet 3/8" FPT
Flange Gas Engine Flange
Shaft Size 3/4"
Weight 20 lbs
Weight 14 lbs
Equipment Type Pressure Washer
PSI 2500

Customer Reviews for the 3/4" Gas Flange Hollow Shaft Triplex Plunger Pump

There are no reviews for this product at the time.

Questions & Answers for the Barens 4320

Ask us about the Barens 4320 3/4" Gas Flange Hollow Shaft Triplex Plunger Pump. Please no repair questions. Your Q&A may be posted to to help other shoppers, like you, with their purchasing decisions. Thank you.

Repair Tips For Barens 4320

No repair tips at this time.

back to top