In the fields of heavy machinery and power generation equipment, the reliability of every component directly affects the operating efficiency and lifespan of the entire system. Ningbo Qiuning Trading Co., Ltd. offers Perkins T401286 seals—genuine parts designed specifically for Caterpillar® engines, intended to provide the most robust sealing protection for your critical equipment.
Why Choose T401286 Seals?
As one of the core maintenance components for Caterpillar engines, the T401286 seal plays a crucial role in preventing oil leaks and preventing contaminants from entering. It uses the same material standards and manufacturing technology as original equipment, ensuring that it maintains its elasticity and sealing performance under harsh operating conditions of high temperature and high pressure, significantly reducing the risk of unplanned downtime due to seal failure. This seal is widely applicable to large-displacement diesel engines such as the Perkins 4012 series, which are often used in generator sets of 1000KW and above and large construction machinery; its reliability directly affects the success or failure of continuous operation.
Our Supply Advantages: Stable, Genuine Products, Wholesale Available
Ningbo Qiuning Trading Co., Ltd. specializes in heavy machinery parts, focusing on providing customers with genuine Caterpillar parts. We understand that while using non-genuine parts may save costs in the short term, it compromises equipment performance and lifespan in the long run. Therefore, we guarantee that every Perkins T401286 seal we supply is genuine, ensuring the original design performance of your equipment. We support bulk purchasing, providing competitive wholesale options for dealers, service centers, and large equipment owners, ensuring you can maintain a stock of critical maintenance parts through efficient supply chain management.
Regularly replacing high-quality seals is a key part of preventative engine maintenance. Using genuine T401286 seals not only effectively extends engine overhaul intervals but also prevents environmental pollution and potential safety accidents caused by fluid leaks. This aligns perfectly with the philosophy advocated by top equipment manufacturers: "Ensuring the longest possible engine life through regular maintenance."
How to Purchase?
You don't need to painstakingly sift through a chaotic market. For purchasing genuine Perkins T401286 seals or inquiries about other Caterpillar engine p
arts, please feel free to contact Ningbo Qiuning Trading Co., Ltd. Our team will provide you with professional and efficient service.
Contact us for reliable genuine parts solutions:
Company Name: Ningbo Qiuning Trading Co., Ltd.
WeChat / WhatsApp: +8615888032469
E-mail: allen@perkins-rx.com
Choosing us means choosing a solemn commitment to equipment reliability.

We sell Perkins engine parts, generator accessories and parts, construction machinery parts, diesel engine parts, gas engine parts, and marine/marine engine parts. Our engine parts include:
1. Common consumables and accessories: various filters, coolant, belts, repair kits (cylinder gaskets, oil pan gaskets, etc., full oil seals, gaskets, and seals).
2. Various cylinders: connecting rods, main shaft cams, thrust bearings;
3. Cylinder heads and all components: cylinder heads, rocker arms, valves, valve tubes, valve seats, valve springs, valve lifters;
4. Cylinder block components: cylinder, connecting rod, crankshaft, piston, piston rings, cylinder liners (four sets).
5. Cooling systems: fan, cooler, cooling nozzles, pump, oil pump, water tank, and air box.
6. Fuel System: High-pressure fuel pump, injectors;
7. Others: Flywheel and gear rings, camshafts and shafts, chargers, starter motors, turbochargers, manual pumps, connecting pipes, sensors, electronic modules, bolts and nuts, plugs, etc. Engine assembly, cylinder head, cylinder block, four-piece set (engine, transmission, and chassis), pistons, piston rings, piston pins, thermostat, thermostat seat, intake and exhaust valves, intake and exhaust valve seats, cylinder liners, cylinder liner rubber rings, cylinder head gaskets, overhaul kit, oil pump, fuel pump, injectors, delivery valves, plungers, starter motor, starter... Engine parts including: generators, turbochargers, crankshafts, door guides, crankshaft bearings, connecting rod bearings, connecting rod bushings, thrust washers, valve tappets, valve lifters, connecting rod assemblies, camshafts, camshaft bearings, valve caps, valve springs, valve rocker arms, water pumps, fan blades, fan belts, fan pulleys, crankshaft pulleys, high-pressure fuel pump assemblies, pump cores, high-pressure fuel pump solenoid valves, fuel injectors, fuel injectors, fuel inlet pipes, diesel fuel filters, diesel fuel filter housings, oil filter pumps, drain valves, dipsticks, crankshaft gears, camshaft gears, etc.
Product advantages: Direct import from overseas; collaboration with international agents and manufacturers to provide customers with competitive Perkins engine parts.
Perkins Engine Parts:
1. Major Warranty Parts: Oil Filter, Diesel Filter, Air Filter, Coolant Filter, Filter Kit, Cylinder Head Gasket, Thermostat
2. Major Overhaul Parts: Front Oil Seal, Rear Oil Seal, Upper Repair Kit, Lower Repair Kit, Main Bearing, Connecting Rod Bearing, Connecting Rod, Connecting Rod Bolt, Connecting Rod Cup, Connecting Rod Plunger, Intake Valve, Exhaust Valve, Intake Valve Guide, Exhaust Valve Guide, Valve Lock, Intake Valve Seat, Exhaust Valve Seat, Valve Spring (Outer), Valve Spring (Inner), Upper Valve Seat, Lower Valve Seat, Valve Bridge, Piston Assembly Piston rings, cylinder liners, cylinder liner rings, cylinder liner seals, thrust washers, coolant injectors, injector bushings, injector rubber rings, rocker arm shafts, turbocharger assembly, diesel coolers, alternators, starters, camshafts, camshaft bushings, fans, water level/water tank systems, oil pumps, crankshaft assembly, electronic speed controllers, oil pressure sensors, pressure sensors, speed sensors, oil pressure gauges, water temperature gauges, hand pumps, turbocharger repair kits, high-pressure oil pumps, high-pressure oil pipes, water pump assembly, water pump shafts, water pump repair kits, pushrods, oil pan gaskets, throttle cable systems, chuck cable systems, pan head gaskets, rocker arms, heaters, cylinder blocks, water tank flooding systems, alternator brush heads.