• Ball Bearing – 55 mm, Kinney, Rotary Piston, Part# 054107 $75.60

    This 55 mm ball bearing (Part# 054107) is the exact replacement part you need. It fits Kinney KT850C and KT850D 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-11, Kinney, Rotary Piston, KT850C, KT850D, Part# 54100 $39.62

    This is the Kinney Bearing Locknut N-11, Part# 054100. It is made specifically for the Kinney KT850C and KT850D 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 Major Maintenance Kits for both the KT850C and KT850D .

  • Bearing, Sleeve, Kinney, Rotary Piston, KT850C, KT850D, Part# 54108 $84.70

    This is the Kinney Sleeve Bearing (Part# 054108), also called a race. It measures 2 1/2 inches. This bearing is made for Kinney Rotary Piston pumps, specifically the larger models KT850C and KT850D . The bearing allows parts to slide smoothly with very little friction. It is durable and made for a perfect fit.

  • Bottom Plate Gasket, Kinney, Rotary Piston, KT850D, Part# 807561 $33.88

    This is the Kinney Bottom Plate Gasket, Part# 807561. It is made specifically for the Kinney KT850D rotary piston vacuum pump . This gasket seals the bottom plate to the pump housing. A good seal here stops oil from leaking out and keeps the vacuum pressure where it should be. Trust Precision Plus for top-quality components that keep your Kinney pump operating smoothly 

  • 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 .

  • Cylinder/Separator Gasket, Kinney, Rotary Piston, KT850D, Part# 807460 $144.90

    This is the Kinney Cylinder/Separator Gasket, Part# 807460. It is made specifically for the Kinney KT850D rotary piston vacuum pump . 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 .

  • 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

  • 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.

  • Minor Maintenance Kit, Kinney, Rotary Piston, KT850D, Part# 80943400BM $937.30

    This Minor Maintenance Kit (Part# 80943400BM) is designed for routine upkeep of your Kinney KT850D rotary piston vacuum pump. The kit includes twelve complete discharge valve assemblies, shaft seal head assembly and seal seat, separator cover and valve deck cover gaskets, Buna O-rings, stainless steel backup ring, and all necessary cap screws . It is a convenient way to keep your KT850D running like new.

  • 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 .

  • 10 in stock

  • Retaining ring, External, Kinney, Rotary Piston, KT850C, KT850D, Part# 64035 $7.49

    Secure the rotating parts inside your Kinney pump with this External Retaining Ring (Part# 64035). Designed specifically for Kinney KT850C and KT850D Rotary Piston vacuum pumps, this ring holds bearings and shafts firmly in place. It is an OEM-quality part that comes included in the official Major Maintenance Kit for the KT850C & KT850D .

  • Ring SS, Backup, Kinney, Rotary Piston, KT850C, KT850D, Part# 802090 $4.20

    This stainless steel backup ring (Part# 802090) is a direct-fit part for Kinney KT850C and KT850D rotary piston vacuum pumps. It is made to give strong support to the sealing system inside your pump. This ring is a key part of the KT850D Minor Maintenance Kit, so if you are doing a rebuild, this is the exact part you need .

  • Separator Cover Gasket, Kinney, Rotary Piston, KT850C, KT850D, Part# 807461 $44.52

    This is the Kinney Separator Cover Gasket, Part# 807461. It is made specifically for the Kinney KT850C and KT850D 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 Major Maintenance Kits for these pump models .This is the Separator Cover Gasket for Kinney Rotary Piston pumps, Part# 807461 . It is a flat gasket that fits between the separator housing and its cover. Its only job is to create an airtight and oil-tight seal. No leaks. No mess.

  • 10 in stock

  • Shaft Seal – Head Assembly, Kinney, Rotary Piston, KT850D, Part# 65213 $193.20

    This Shaft Seal – Head Assembly (Part# 065213, also listed as 65213) is a genuine OEM-quality replacement seal designed specifically for the Kinney KT850D rotary piston vacuum pump . Measuring 2 ½ inches, this head assembly prevents oil leaks and maintains proper vacuum pressure by creating a tight seal around the pump’s rotating shaft . It is a critical component included in both the Major and Minor Maintenance Kits for the KT850D .

  • Shaft Seal Seat, Kinney, Rotary Piston, KT850C, KT850D, Part# 65110 $150.20

    This Shaft Seal Seat (Part# 065110, also listed as 65110) is a genuine OEM-quality replacement component made of cast iron, designed specifically for the Kinney KT850C and KT850D rotary piston vacuum pumps . Measuring 2 ½ inches, this seal seat provides the stationary mating surface for the rotating shaft seal, ensuring a proper seal to prevent oil leaks and maintain vacuum integrity . It is a critical component included in both the Major and Minor Maintenance Kits for the KT850 series .

  • 10 in stock

  • V-Belt, Kinney, Rotary Piston, KT850C, KT850D, Part# 51153 $284.10

    This V-Belt (Part# 051153, also listed as 51153) is a genuine OEM-quality replacement belt designed specifically for the Kinney KT850C and KT850D rotary piston vacuum pumps . It is an essential component for power transmission between the pump’s drive motor and the pump itself .  V-belt is included as a standard component in both Major Maintenance Kits for the KT850C and KT850D 

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