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KNORR Replacement Parts for Trucks and Cars

KNORR supplies components used in trucks and passenger cars for daily operation and service work. Parts are specified to replace worn or damaged originals and restore intended function. KNORR replacement parts follow the fit and performance requirements of the referenced OE numbers. Clear part numbering and cross-references help with accurate selection and reduce installation errors. Compared with original-branded parts, replacement options typically offer a lower purchase price, broad availability across multiple suppliers and shorter lead times, while still matching the referenced OE fit and function.

General Service Kit
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Seal Kit
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Spares Kit
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Piston
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Diaphragm
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Pin
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Kit
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Safety Valve
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Connecting Cable
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Connecting Cable
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Connecting Cable
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Power Supply Cable
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Connecting Cable
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Piston Assembly
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Diaphragm
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Diaphragm
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Valve Seat
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Inlet Valve
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Plunger
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Diaphragm
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Pipe Plug
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Pipe Plug
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Clevis Pin
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Valve Guide
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Boot
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Head
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Boot
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Spring Seat
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Diaphragm
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Diaphragm
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Lever
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Retainer
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Boot
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Compressor
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Double Check Valve
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Treadle Assembly
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Rotochamber
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Safety Valve
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Cover Assembly
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Cover Assembly
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Button
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Plate
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Cylinder Head
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Button
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Union
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Union
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Union
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Screw Plug
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Screw Plug
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Screw Plug
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Test Connector
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Disc Brake
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Hose Union
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Hex Nut
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Air Dryer Assembly
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Directional Control Valve
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Pull Knob
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Pull Knob
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Pull Knob
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Pull Knob
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Union
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Union
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Union
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Union
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Fitting
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Union
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Union
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Union
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Fitting
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Union
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Union
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Union
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Union
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Union
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Union
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Screw Plug
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Union
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Swivel
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Union
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Adaptor
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Swivel Screw Fitting
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Adaptor
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Fitting
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Union
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Union
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Repair Kit
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Why Choose Aftermarket KNORR Replacement Parts?

KNORR aftermarket parts are engineered to match OE references with precise dimensions and operating tolerances, helping ensure a correct fit on the first install. Consistent materials and validated performance maintain system function and reduce rework for both trucks and passenger cars. KNORR components meet strict industry standards and are designed for shop-friendly installation, supporting predictable service intervals.