Caterpillar Aftermarket Seal Kits for Construction Machinery

Product Description 272-5438 is an aftermarket replacement modular radiator seal for selected Caterpillar heavy-equipment cooling systems. This reference is a high-durometer EPDM rubber seal with a 216.8 mm length and 48 mm inside diameter, used between modular radiator sections to support a sealed cooling assembly. Buyers should verify the exact...

Product Description 335-1414 is an aftermarket control valve seal kit reference for compatible Caterpillar backhoe loaders. A 424B parts manual shows it in a control-valve/control-bank assembly, not a cylinder group. It supports resealing the applicable valve location during control-valve service. The public listing does not identify a universal valve position...

Product Description 487-6170 is an aftermarket hydraulic piston pump seal kit reference for compatible Caterpillar wheel loaders and D7 track-type tractors. It services the hydraulic pump assembly that produces oil flow for the hydraulic circuit; it is not a piston motor, cylinder, or control-valve kit. Official fitment lists models, but...

Product Description 310-5742 is an aftermarket hydraulic relief-valve seal kit reference for compatible Caterpillar wheel loaders. Unlike a solenoid valve kit, it services a pressure-relief valve in the hydraulic circuit rather than an electrically actuated valve. Do not order by loader model alone: hydraulic configurations can vary by serial number...

Product Description 332-5669 is an aftermarket solenoid valve seal kit reference for compatible Caterpillar equipment. Official data identifies backup rings and O-rings in NBR/HNBR/XNBR rubber and PTFE for servicing solenoid valve group components. It seals hydraulic valve interfaces, not a cylinder, pump, or motor overhaul. One machine may contain several...

Product Description 308-1838 is an aftermarket hydraulic manifold relief-valve seal kit reference for compatible Caterpillar equipment. Official data identifies O-rings and split back-up rings for servicing the manifold relief valve group. It is a control valve kit, not a hydraulic cylinder, travel motor, or transmission repair kit. The same machine...

Product Description 245-3603 is an aftermarket seal kit for the propel piston motor on selected compatible Caterpillar vibratory compactors. Official information identifies O-rings and a seal used to reseal the hydraulic piston motor, helping control fluid leakage and contaminant entry during service. It is not a drum vibration seal kit,...

Product Description The 238-9844 aftermarket shuttle valve seal kit is a reference replacement for compatible Caterpillar wheel loader and integrated tool carrier hydraulic units. The official reference identifies O-rings and backup rings for servicing components in the shuttle valve group; it is not a complete valve assembly, solenoid valve, or...

Product Description The 387-2867 aftermarket solenoid valve seal kit is a reference replacement for selected Caterpillar-compatible powertrain and hydraulic-control applications. Although described as a kit, the OEM reference identifies it as an O-ring sealing item for a solenoid valve; it is not a complete solenoid valve and not a hydraulic...

Product Description The 416-1228 aftermarket tilt cylinder seal kit is referenced for Caterpillar-compatible 992K wheel loader hydraulic cylinder service. It is a standard-size kit intended for a cylinder bore within the applicable nominal service limit; the OEM reference states a maximum 0.25 mm (0.010 in) bore sizing condition. The reference...

Product Description Need a seal kit for a Caterpillar-compatible 424, 426, or 426 F2 backhoe loader cylinder, but cannot confirm the cylinder from the machine model alone? 512-0512 is an aftermarket reference kit for the hydraulic cylinder seal application. The official reference contains seven sealing-related components, including a wiper seal,...

Product Description The 216-5361 aftermarket transmission overhaul gasket kit is supplied for Caterpillar-compatible 950 wheel loaders and 966C wheel loaders. It supports transmission overhaul work by replacing applicable gaskets, seals, and O-rings at specified service interfaces, helping restore sealing integrity after correct assembly. This part number is commonly cross-referenced as...