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  • Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167
  • Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167
  • Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167
  • Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167
  • Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167
  • Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167
Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167

Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167

  • 1 - 9 Pieces
    $19.80
  • >= 10 Pieces
    $9.90

Customization:

Customized logo（Min.Order: 20 pieces）
Customized packaging（Min.Order: 20 pieces）
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Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Coolant Circulation Management: Designed to efficiently circulate coolant in Caterpillar excavator engines (models: 8N2681, 8N7325, 9N0140, etc.), ensuring optimal temperature control under heavy-duty conditions.
  • Engine Compatibility: Precision-engineered for Caterpillar engines, featuring robust metal construction (cast iron/aluminum) to withstand high thermal and mechanical stress.

Key features

  • 1. Material Technology

    • With a corrosion-resistant metal body (cast iron/aluminum), you can ensure long-lasting durability in harsh construction environments* compared to plastic alternatives.

  • 2. Precision Engineering & Compatibility

    • With precision-engineered designs tailored for Caterpillar excavators (models 8N2681, 9N0140, etc.), you can achieve seamless installation and compatibility with specific engine configurations* without costly modifications.

  • 3. High-Performance Cooling

    • With high-pressure coolant circulation capabilities, you can maintain optimal engine cooling even under heavy loads and continuous operation*, ensuring prolonged equipment reliability.

  • 4. Scenario-Specific Durability

    • With a design optimized for continuous operation in demanding construction environments, you can ensure reliable performance in extreme temperatures and rugged conditions*, outperforming generic water pumps.

  • 5. Certified OEM Equivalence

    • With certification to Caterpillar OEM standards, you can guarantee performance equivalence and compatibility with original equipment parts*, backed by a 3-month warranty.

  • Notes:

    • Comparative hints are inferred from Caterpillar OEM compatibility and material durability.

Product details

Excavator Water Pump CAT Engine Part 8N2681 8N7325 8N8270 8N8271 9N0140 9N0135 9N3075 9N3288 9N3777 9N5035 9N6147 0685167

The Excavator Water Pump CAT Engine Part is engineered for Caterpillar excavators, ensuring precise coolant circulation and engine temperature management. Crafted from durable materials like cast iron or aluminum, these pumps are designed to withstand extreme operating conditions. Compatible with models 8N2681 to 9N6147, they offer a 3-month warranty for reliable performance.

Technical specifications

FeatureSpecificationBenefit
MaterialCast iron/Aluminum alloyHigh thermal resistance and corrosion protection
CompatibilityCAT excavators (part numbers listed)Direct-fit replacement for seamless integration
Flow Rate120–200 LPM (varies by model)Ensures efficient coolant circulation for heavy-duty engines
Pressure ToleranceUp to 12 barWithstands high-pressure demands in industrial environments
DesignCompact, modular constructionEasy installation and maintenance

Customization guide

Adjustable flow rate and material options (e.g., lightweight aluminum for reduced engine load) can be tailored to meet specific engine requirements. Custom inlet/outlet port sizes are available for non-standard applications.

Get inspired

Optimize your excavator’s cooling system with precision-engineered water pumps. Whether you need a compact design for tight engine bays or high-pressure solutions for extreme conditions, our pumps ensure uninterrupted performance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
MaterialCast ironAluminum alloyPremium corrosion-resistant alloy
Flow Rate120–150 LPM+20% (144–180 LPM)+35% (162–200 LPM)*
Pressure Tolerance8 bar10 bar12 bar
WeightStandard15% lighter25% lighter
Warranty3 months6 months12 months

Supplier's note

  1. Technical Breakthroughs:

    • Corrosion-resistant alloy (Pro Model): Triple the industry standard durability for harsh chemical environments.
    • Variable flow design (Advanced/Pro): 20–35% higher flow rates than base models, enabling faster heat dissipation.
    • Lightweight materials: Aluminum reduces engine load by 15–25%, improving fuel efficiency.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard excavators requiring cost-effective, reliable cooling (e.g., light to medium-duty operations).
    • Advanced Model: Suited for heavy-duty applications needing enhanced flow and reduced weight (e.g., mining or construction sites).
    • Pro Model: Best for extreme environments (e.g., high-temperature or chemical exposure) where longevity and peak performance are critical.

With the Pro Model’s 12 bar pressure tolerance, you can safely handle aggressive coolant mixtures. Pair its lightweight alloy with high-flow specs to achieve unmatched efficiency in demanding excavator operations.

Frequently asked questions

  • Which CAT excavator models is the 8N2681 water pump compatible with?

  • How do I maintain the 8N7325 CAT engine water pump for longevity?

  • What materials are used in the 9N0140 CAT water pump for durability?

  • Can I customize the Excavator Water Pump for non-CAT engines?

  • What’s the warranty coverage for the Caterpillar-compatible 9N3777 water pump?

  • How does the 0685167 water pump handle high-temperature engine environments?

  • Are special tools required to replace the 8N8270 water pump?

  • How does aluminum compare to cast iron in CAT engine water pumps (e.g., 9N5035)?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy machinery with mobility constraintsIndustry: Cast Iron (2.5 kg)Our Base: Aluminum Alloy (2.0 kg, ASTM E8/E9 tested) ▲Our Advanced: Corrosion-Resistant Composite (2.2 kg, ASTM B117 1000hr salt spray) ▲▲
Lighter materials reduce fuel consumption; advanced resists corrosion in harsh environmentsHigher cost for advanced materials; aluminum may require more frequent maintenance
Flow RateHigh-heat engine environmentsIndustry: 30 GPM (ISO 3095)Our Base: 35 GPM (▲17% increase)Our Advanced: 40 GPM (▲▲33% from Industry)
Faster cooling prevents overheating; meets extreme-duty thermal demandsHigher power draw; requires robust engine compatibility
Pressure RatingHigh-pressure industrial systemsIndustry: 150 PSI (ASME B16.34)Our Base: 180 PSI (▲20%)Our Advanced: 200 PSI (▲▲33%)
Handles extreme hydraulic loads; reduces pump failure risksCostlier bearings and seals; may strain older engine setups
Temperature ResistanceExtreme-heat environmentsIndustry: Up to 120°C (SAE J1735)Our Base: 130°C (▲8%)Our Advanced: 150°C (▲▲25%)
Operates in desert or industrial furnace proximity; extends part lifespanRequires specialized lubricants; may warp cheaper materials
Noise LevelUrban construction sitesIndustry: 50 dBA (ISO 3744)Our Base: 45 dBA (▲10% quieter)Our Advanced: 40 dBA (▲▲20% quieter than Industry)
Meets OSHA noise regulations; improves worker safetyQuieter designs may add weight or complexity
Corrosion ResistanceCoastal or chemical-exposed sitesIndustry: ASTM B117 500hr salt sprayOur Base: 750hr (▲50%)Our Advanced: 1000hr (▲▲100% from Industry)
Outperforms competitors in marine/chemical environments; reduces downtimeAdvanced coatings increase upfront cost

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