CATERPILLAR Fuel Pump 1052505 4W0788 & KOMATSU Float Switch 7861-92-4800:
High-Quality Chinese Replacement Solves Common Excavator Fault Issues

Source Manufacturer for Engine Parts Customization and Export

We are a Source Manufacturer supporting custom development of various engine cylinder liners. Benefit from Factory Direct Sales and reliable Export Trade services!

CUMMINS QSB6.7 Liner Kit KOMATSU 6D105 Liner Kit CATERPILLAR 3116 Liner Kit ISUZU 6BG1 Liner Kit

Your Premier Supplier for Heavy Duty Diesel Engine Parts

Welcome to Honour Time Machinery Limited, your trusted global partner for heavy duty diesel engine parts supplier and solutions. We specialize in engine assemblies and a full range of components for leading construction brands, ensuring peak performance for your machinery. Our core business includes high-quality parts for CUMMINSKOMATSUCATERPILLARISUZUKUBOTAYANMAR, and WEICHAI engines. We provide professional support for your excavator engine rebuild kit prices and all construction machinery engine overhaul needs.

WhatsApp: +8613532379052 (Click to chat now) 

CATERPILLAR Diesel Fuel Pump Solutions

Experience unmatched reliability with our CATERPILLAR Fuel Pump, a perfect Aftermarket fuel pump replacement for CAT equipment. This essential component is crucial for maintaining the correct fuel delivery pressure, solving common issues like engine misfire or power loss in models such as the CAT 3116. Our high-precision replacement is engineered to meet or exceed OEM specifications.

Key Part Numbers:1052505,4W0788,4N2511,6N6800. (Also available as 10525054W07884N25116N6800 for easy searching.) If you are looking for a High-quality turbocharger replacement or Diesel injector nozzle price, consult with us today.

KOMATSU Float Switch for Precision Monitoring

The KOMATSU Float Switch is vital for accurate fluid level monitoring in your Komatsu excavator, preventing damage and ensuring safety. Our Reliable Komatsu sensor switch parts are rigorously tested. This component, part number7861-92-4800(7861924800), provides durable and accurate readings, helping you prevent expensive repairs related to fluid mismanagement. We also stock Engine oil pump performance upgrade and Crankshaft bearing set for Isuzu 6HK1.

Top 5 Product Features

  1. CAT Fuel Pump P/N 1052505: Engineered for high-pressure diesel pump systems in CAT 3116/3126 series, resolving low fuel pressure faults.

  2. Komatsu Float Switch P/N 7861-92-4800: High-precision fluid level sensor specifically calibrated for Komatsu PC200-8 excavator hydraulic tanks.

  3. Durable Materials: Constructed from wear-resistant alloys for extended lifespan in demanding construction environments.

  4. Seamless Fit: Guaranteed to match OEM form, fit, and function for models like the CAT D6N and Komatsu WA380.

  5. Cost-Effective Alternative: Provides OEM-level quality and reliability without the premium price, ideal for repair shop inventories.

Essential Engineering Machinery Component Glossary

Understanding your engine components is key to successful maintenance:

  • Liner Kit: Installed in the Cylinder Block. Essential for combustion chamber sealing. Keyword: CUMMINS QSM11 Liner Kit.

  • Piston Ring: Fits in grooves on the Piston. Seals combustion gas and controls oil consumption. Keyword: KOMATSU 6D95 Piston Ring.

  • Thrust Washer: Located in the Crankshaft assembly. Manages axial movement of the crankshaft. Keyword: CATERPILLAR C7 Thrust Washer.

  • Flameout Solenoid: Mounted on the Diesel Pump. Controls fuel flow to stop the engine. Keyword: ISUZU 4HK1 Flameout Solenoid.

  • Engine Bearing: Installed between the Crankshaft and Connecting Rod. Reduces friction. Keyword: KUBOTA V2203 Engine Bearing.

  • Valve Seat: Pressed into the Cylinder Head. Forms a seal with the valve face. Keyword: YANMAR 4TNV98 Valve Seat.

  • Accelerator Motor: Found on Excavator body (electronic engines). Controls engine speed. Keyword: HITACHI ZX200 Accelerator Motor.

  • Pressure Switch: Typically in Hydraulic or Oil Circuits. Senses system pressure changes. Keyword: VOLVO D12D Pressure Switch.

  • Nozzle: Part of the Fuel Injector. Atomizes diesel fuel. Keyword: WEICHAI WP10 Nozzle.

  • Monitor: Installed in the Operator's Cabin. Displays machine status and faults. Keyword: KOBELCO SK200-8 Monitor.

Comprehensive Range of Engine Parts We Provide

Cylinder Group ComponentsSealing & GasketsValvetrain & TimingFuel & Air SystemElectrical & CoolingBearings & Block
Liner Kit (Piston Liner)Gasket Kit (Overhaul Gasket Kit)Valve GuideNozzle (Fuel Injector Nozzle)Pressure SwitchEngine Bearing (Main/Con Rod Bearing)
PistonGasket Head (Cylinder Head Gasket)CrankshaftFlameout SolenoidMonitor (Display Screen)Cylinder Block
Piston RingThrust WasherValve SeatDiesel PumpRadiatorConnecting Rod



TurbochargerWater Pump

Supported Excavator & Engine Models (Trusted China Source for Engine Components)

BrandModels (Row 1)Models (Row 2)Models (Row 3)Models (Row 4)
Komatsu3D82, 3D84, 4D105, 6D956D108, 6D110, 4D84, 4D956D102, 6D105, 6D114, 6D170
CATERPILLAR3114, 3116, C4, C63064T, S6K, C7, C-9C13
CUMMINSQSB6.7, QSM11-C, B5.9-C, B3.9-CQSM11, C8.3-C

ISUZU3LD1, 4LE1, 4BG1, 4HK16SD1, 6WG1, 4LE2, 4JB16BG1, 6HK1, 6WF1
YANMAR4D88E, 4TNE84, 4TNV88, 4TNV94L4TNE88, 4TNE94, 4TNV98, 4TNV106

KOBELCOJ05E, 6D34T, 6D16, J08E6D22T, 6D24T, 6D16T, J05E6D34, J08E
HINOJ05E, J08E, V25C, EF750P11C, V21C, H06CT, H07D

Mitsubishi4D34, 4D24, K4M, S3Q26D16, 6D24, S4KT, 6D40

VOLVOD6D, D6E, D9E, D12DD7D, D7E, D12E, D16D

Product Specification and Logistics Details

AttributeDetailsAttributeDetails
Model NO.CAT 3116 / Komatsu PC200-8ApplicationExcavator / Construction Machinery
CertificationISO9001, QC TestedConditionNew
Product NameDiesel Fuel Pump / Float SwitchTransport PackageSecure Carton
SpecificationStandard OEM Size, High Precision, Durable AlloyTrademarkHonour Time
OriginChinaProduction Capacity5000PCS/Year
Payment TermsT/T, Western Union, MoneyGramDelivery MethodsExpress: DHL Fedex EMS UPS or by Air/ Sea

Maintenance Tips & Troubleshooting: Construction Machinery Engine Overhaul

Fault Diagnosis: Komatsu PC300-7 Hydraulic Pump Noise

Fault: Excessive whining or knocking noise coming from the hydraulic pump area on a Komatsu PC300-7 Excavator.

Solution: This often indicates cavitation or low fluid level/contamination. Action Plan: 1. Immediately check the hydraulic oil level (this is where a properly functioning Float Switch is crucial). 2. Inspect the hydraulic oil filter for blockage. 3. If the noise persists after oil/filter change, the pump itself may require rebuild or replacement due to worn internal components like the pump piston or barrel. Regular fluid analysis is your best defense against catastrophic pump failure.

General Engine Maintenance: Cummins QSB6.7

To ensure the longevity of your Cummins QSB6.7 engine, always adhere to scheduled maintenance. Key actions include: regularly checking your Piston Ring gap during major service; ensuring the Turbocharger wastegate operates freely; and using only recommended engine oil and filter types. Proactive maintenance is vital for finding a Best con rod bearing set for Cummins QSB6.7 replacement before failure.

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Honour Time Machinery Limited is dedicated to providing genuine quality piston ring sets and engine components for the global construction machinery market. We ensure rapid delivery and technical expertise for all your excavator engine needs.

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