• Ball Bearing – 45 mm, Kinney, Rotary Piston, Part# 54115 $36.19

    This 45 mm ball bearing (Part# 054115) is the exact replacement part you need. It fits Kinney KT300C and KT300D models. A good bearing keeps your pump running smooth and quiet. If your pump makes grinding noises or feels rough when turning, this bearing might be worn out. Replace it to keep your pump working like new.

  • Bearing Locknut – N-09, Kinney KT300C/D, Part# 054098 $36.52

    This is the Kinney Bearing Locknut N-09, Part# 054098. It is made specifically for the Kinney KT300C and KT300D rotary piston vacuum pumps . This locknut secures the bearing in place on the pump shaft. A tight locknut keeps your bearings from moving. That prevents damage to the shaft and the housing. This part is also included in Preventive Maintenance Kits and Major Maintenance Kits for the KT300D 

  • Cap Screw – Hex Head, Kinney, Rotary Piston, KT850C, KT500C, Part# 52469 $4.76

    This is the Kinney Hex Head Cap Screw, Part# 52469. It is used on many Kinney rotary piston vacuum pump models . This cap screw is a critical component for the assembly and secure fastening of various parts inside your pump . Its durable construction helps maintain the structural integrity of your vacuum system . This screw is included in maintenance kits for many pump models .

  • Centre Wall Locking Pin, Kinney, Rotary Piston, Part# 802506. $35.04

    This is the Kinney Centre Wall Locking Pin, Part# 802506. It is a high-quality hardware component used on many Kinney rotary piston vacuum pumps . This locking pin secures internal components, ensuring stability and reliable performance in your vacuum system . It is crafted for a precise fit and designed to seamlessly integrate with Kinney pumps . This pin is used in quantities of 3 in many major maintenance and rebuild kits for pumps like the KT300C and KTC90 .

  • Cylinder/Separator Gasket, Kinney, Rotary Piston, Part# 807392 $25.27

    This is the Kinney Cylinder/Separator Gasket, Part# 807392. It is made specifically for the Kinney KT300C and KT300D rotary piston vacuum pumps . This gasket goes between the cylinder and the separator section of the pump. Its job is to create a tight seal. A good seal stops leaks and keeps your pump running at full power. This part is also included in the Major Rebuild Kit for the KT300C .

  • Discharge Valve Assembly $74.20

    This Discharge Valve Assembly (Part# 066161) is a OEM-quality replacement valve designed for a wide range of Kinney rotary piston vacuum pumps . The discharge valve is a critical component that controls the flow of gas leaving the pump cylinder and prevents backflow . According to the official Kinney manual, discharge valves are sold only as a complete assembly and not as individual components . This assembly fits multiple pump series, including KT Series, KTC Series, and KDH Series .

  • 10 in stock

  • Gasket, Plate, Bottom, Kinney, Part# 807529 $81.90

    Gasket, Plate, Bottom is used on Kinney brand of KT300C, KT300D pump models. The bottom plate gasket might be the problem. This gasket (Part# 807529) seals the bottom plate of your Kinney rotary piston pump. It fits several KTC models including KTC55, KTC60, KTC90, and KTC112. If you see oil leaking from the bottom of your pump or notice the pump losing vacuum, this gasket could be worn out. Replace it to stop leaks and keep your pump running strong.

  • Kinney Outer cam, small, Part# P806291 $795.90

    This is the small outer cam for Kinney rotary piston vacuum pumps. It carries part number P806291. This cam is a key part that helps your pump run the way it should. Made for the Kinney KT300C and KT300D models, this piece replaces the old or worn cam in your pump.

  • Kinney Outer Small Piston Slide, Part# P806289 $941.50

    This is the outer small piston slide for Kinney rotary piston vacuum pumps. It carries part number P806289. This slide is a key part that helps the piston move smoothly inside your pump. Made for the Kinney KT300C and KT300D models, this piece replaces the old or worn slide in your pump

  • Kinney Seal Seat Assembly, Part# 065098 $165.90

    This Seal Seat Assembly (Part# 065098, also listed as 65098) is a OEM-quality replacement component designed specifically for the Kinney KT300C and KT300D rotary piston vacuum pumps . It provides a critical sealing interface within the pump mechanism, creating a secure and effective seal to prevent the leakage of gases or fluids and maintain the desired vacuum conditions . This assembly is a standard component included in Minor and Preventive Maintenance Kits for the KT300C and KT300D .

  • Kinney Sleeve Bearing – 1 7/8, Part# 054110 $93.10

    This is the Kinney Sleeve Bearing (Part# 054110). It is 1 and 7/8 inches in size. This bearing is made for Kinney Rotary Piston pumps, specifically models KT300C and KT300D . The bearing helps two moving parts slide without grabbing. It cuts down on friction and shaking. Plus, it can handle heavy loads and lasts a very long time .

    This bearing fits these exact Kinney models:

    • Kinney KT300C 

    • Kinney KT300D 

  • Kinney Slide Pin- Large Center Part# P805005 $1,153.20

    The large center slide pin (Part# P805005) is a key internal part that helps the piston move smoothly. If this pin is worn, your pump cannot create strong vacuum. This is the exact replacement part for these Kinney rotary piston pumps.

  • Kinney Small outer Slide Pin, Part# P805004 $991.20

    The small outer slide pin (Part# P805004) is a key internal part that helps the piston move smoothly. If this pin is worn, your pump cannot create strong vacuum. This is the exact replacement part for these Kinney rotary piston pumps.

  • Major Maintenance Kit, Kinney KT300D (60 Hz.) $10,378.20

    Give your Kinney KT300D pump a complete overhaul with this major maintenance kit (Part# 80943000BM). Unlike a preventative kit, this one includes heavy-duty internal parts like the center cam, outer cams, and the main shaft. You also get all seals, gaskets, bearings, O-rings, valves, and a new V-belt. This is everything you need for a full rebuild. Made for 60 Hz models of the Kinney KT300D rotary piston pump. Get your pump back to like-new condition.

  • Major Maintenance Kit, Kinney, Rotary Piston, KT300C, Part# 80970600BM $1,148.20

    This Major Maintenance Kit (Part# 80970600BM) is a comprehensive overhaul kit designed specifically for the Kinney KT300C rotary piston vacuum pump. The kit includes seven complete discharge valve assemblies, ball and sleeve bearings, shaft seals and seal seat, cylinder and separator gaskets, Buna O-rings, backup rings, V-belt, sight glass, and all necessary hardware . It provides everything needed for a complete pump restoration.

  • O-ring, 110.72 x 3.53 mm – Buna, Part# 050245 $9.59

    This Buna O-ring (Part# 050245) creates a reliable seal inside your Kinney rotary piston vacuum pump. Measuring 110.72 mm inner diameter x 3.53 mm cross section, it is made of durable Buna-N (Nitrile) rubber. This O-ring fits many popular Kinney pump models including KT300C, KT500C, KT850C, KT300D, KT500D, and KT850D . It is also a key component in factory maintenance kits for these models .

  • O-ring, 53.57 x 3.53 mm – Buna, Part# 050227 $4.20

    This Buna O-ring (Part# 050227) creates a tight, reliable seal inside your Kinney rotary piston vacuum pump. Measuring 53.57 mm inner diameter x 3.53 mm cross section, it is made of durable Buna-N (Nitrile) rubber . This O-ring fits many popular Kinney pump models including KT150C, KT300C, KT500C, KT300D, KT500D, KC5, KC8, KC15, KTC90, and KTC112 . It is also a key component in factory maintenance kits .

  • 10 in stock

  • Separator Cover Gasket, Kinney, Rotary Piston, KT300C, KT300D, Part# 807636 $23.24

    This is the Kinney Separator Cover Gasket, Part# 807636. It is made specifically for the Kinney KT300C and KT300D rotary piston vacuum pumps . This gasket seals the cover on the separator housing. The separator is where oil and air are split apart inside the pump. A good seal here prevents leaks and keeps the pump running efficiently . This part is also a key component in Minor Maintenance Kits, Major Rebuild Kits, and Preventive Maintenance Kits for these pump models .

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