Diesel Pump Three-way Return Pipe

Diesel Pump Three-way Return Pipe

Compatible models: Komatsu PC200-8, PC220-8, PC240-8 excavators
Compatible engine: SAA6D107E-1 (Cummins QSB6.7) electronic fuel injection engine
Part number: 6754-71-5421 (also corresponding to Cummins part number: 4943939/3978508)
Core function: The diesel pump/injector fuel return circuit returns excess fuel to the fuel tank while balancing the fuel system pressure to prevent air resistance and abnormal injection pressure
Structural features: Three in one design with metal hard pipe joint and oil resistant rubber sheath, compatible with original installation holes and buckles
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Description

 

Fit for PC200-8 PC220-8 PC240-8 Excavator SAA6D107E EngineInstalled inside the engine fuel circuit, this Diesel pump three-way return pipe undertakes core oil return circulation work. It guides redundant oil discharged from fuel injection pump and fuel injectors back to the fuel tank smoothly, maintains balanced internal fuel pressure all the time. It effectively cuts down air accumulation inside oil lines, greatly improves hot starting failure, rough idle operation and insufficient digging power caused by vapor lock. Featured with outstanding heat resistance and fuel corrosion resistance, it can stand long-term high temperature baking and strong vibration inside engine cabin, effectively avoid oil seepage, oil dripping and pipe cracking faults, fully stabilize daily construction operation efficiency of excavators in earthwork, mining, road construction and other actual working scenarios.Manufactured in strict accordance with original factory drawing data, consistent with original pipe routing, joint caliber and installation fixed position. Matches perfectly with SAA6D107E-1 and QSB6.7 engine fuel system structure. Adopts three-layer integrated extrusion forming process, inner layer uses high density oil resistant rubber, middle reinforced braided layer improves compression resistance, outer anti-aging rubber layer strengthens outdoor weather resistance. Workers can finish field replacement directly according to original installation position, no cutting, no bending correction and no auxiliary accessories needed, greatly shorten equipment downtime and maintenance time. This practical Diesel pump three-way return pipe can completely replace original spare parts for long-term construction use.Single product adopts thick dustproof plastic sealed package separately, external filled with shockproof bubble cotton, then loaded into firm reinforced export carton. For large batch orders, we support customized neutral outer box printing and wooden box reinforcement packaging, effectively prevent extrusion damage and wear during cross-border long-distance transportation.Support flexible order demand, 1 piece sample trial order is acceptable, formal wholesale order starts from 10 pieces, large quantity bulk purchase enjoys exclusive tiered discount. Sufficient spot goods stored in our professional parts warehouse, no shortage of goods delay delivery.In-stock goods can be arranged for shipment within 1-2 working days. We provide diversified international delivery solutions, including DHL, FedEx fast door to door express, economical air freight and cost-effective sea freight. Able to offer accurate quotation under EXW, FOB, CIF and other international trade terms according to customer designated destination port.All goods are delivered directly by professional manufacturer, remove intermediate circulation links to control cost advantage. We offer transparent real wholesale price, order quantity directly affects unit price, long-term stable cooperative customers can enjoy permanent preferential settlement price. All finished goods pass strict oil tightness test and appearance inspection before delivery, stable quality is guaranteed.We adopt safe and common international transaction modes, mainly accept T/T telegraphic transfer, also support Western Union remittance for small orders. The transaction process is standardized and secure, effectively protect capital safety of both buyers and sellers. We provide professional one-stop excavator spare parts matching service, welcome global purchasing merchants, maintenance factories and engineering teams to send inquiries for detailed price list and technical matching confirmation.

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