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4P-5638 PUMP GP for CAT 785/789/793

4P-5638 Engine Oil Pump is a Cat two-section gear pump designed to circulate engine oil through critical lubrication points. It supports oil delivery to the crankshaft, connecting rod bearings, camshaft, valve mechanism, and accessory drive gears. Listed for CAT 785, 789, and 793 applications, the pump is suitable for demanding mining, hauling, and heavy-duty engine environments.

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ItemSpecification
Product NameEngine Oil Pump / 2-Section Gear Pump
Part Number4P-5638
BrandCAT
Machine Model785 / 789 / 793
Weight35.5 kg
MaterialNot specified by manufacturer
ConditionBrand New – Genuine
Warranty6 Months
PackagingStandard Export Carton
AvailabilityGenerally in stock
OriginChina

Product Detail Page

Features & Benefits

  • 4P-5638 PUMP GP is a Cat two-section engine oil gear pump designed for heavy-duty engine lubrication systems.
  • Circulates engine oil to critical components including the crankshaft, connecting rod bearings, camshaft, valve mechanism, and accessory drive gears.
  • The two-section gear pump design supports reliable oil circulation for demanding engine operating conditions.
  • Helps maintain continuous lubrication of internal engine components and supports stable engine performance.
  • Suitable for heavy-duty Cat truck and engine applications where dependable lubrication is essential.
  • A practical replacement solution for engine maintenance, overhaul, and lubrication system service.

Compatible Machine

The 4P-5638 Engine Oil Pump is listed by Caterpillar for CAT 785, CAT 789, and CAT 793 trucks, with additional applications across other Cat trucks, engines, generator sets, and industrial equipment. Compatibility can vary with machine configuration, so the serial number should be checked before ordering.

Applications

  • Mining
  • Quarry
  • Construction
  • Heavy Earthmoving
  • Large Infrastructure Projects

This engine oil pump is particularly suitable for heavy-duty haulage and industrial environments where engines operate under high loads and extended working cycles.

Why Choose YLCM?

  • 20+ Years Experience – Extensive experience in construction and mining machinery parts.
  • Large Warehouse – Supports efficient sourcing and order preparation.
  • Fast Delivery – Streamlined quotation and logistics coordination.
  • Genuine & OEM Parts – Genuine, OEM, and quality replacement solutions available.
  • Export to 60+ Countries – Supporting customers across global markets.
  • Professional Technical Support – Assistance with part identification and compatibility verification.

Packaging

YLCM uses export-standard packaging to protect engine oil pumps during storage, handling, and international transportation. Depending on order quantity and shipping requirements, packaging may include standard export cartons, heavy-duty wooden cases, moisture-proof protection, anti-rust treatment, shock-proof materials, and secure fixing.

Shipping

YLCM provides flexible international logistics solutions according to destination, order quantity, and delivery requirements:

  • Sea Freight
  • Railway Transportation
  • Land Transportation
  • Multimodal Logistics Solutions

Request a Quote

Looking for 4P-5638 Engine Oil Pump for CAT 785, 789, or 793? Contact YLCM for the latest quotation, availability, lead time, export packaging, and shipping options. Provide the machine model, engine information, serial number, required quantity, and part number so our team can verify the correct pump before shipment.

Frequently Asked Questions

Q1: What is 4P-5638 used for?
4P-5638 is a Cat two-section engine oil gear pump used to circulate engine oil through critical engine components.

Q2: Which CAT trucks use 4P-5638?
Caterpillar lists the part for CAT 785, 789, and 793 trucks, as well as additional Cat equipment and engine applications.

Q3: What components does the pump lubricate?
The oil pump circulates engine oil to the crankshaft and connecting rod bearings, camshaft, valve mechanism components, and accessory drive gears.

Q4: Is 4P-5638 a single-section or two-section pump?
Caterpillar identifies 4P-5638 as a two-section gear pump.

Q5: Can YLCM supply other CAT 785, 789, and 793 parts?
Yes. YLCM can source engine, transmission, drivetrain, hydraulic, cooling, electrical, undercarriage, and other replacement parts for Cat mining trucks.

Q6: Should I provide the machine serial number when ordering?
Yes. Configuration changes can affect parts compatibility, so the serial number helps confirm the correct application.

Q7: What warranty does YLCM provide?
The standard warranty for this product is 6 months. Specific warranty conditions can be confirmed before order confirmation.