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Replacement Parts Water Pump 2P0662 172-7776 for Caterpillar Engine 3304 3306

Water Pump 2P0662 172-7776

Part Name: Water Pump 2P0662 172-7776

Part Number: 2P0662 172-7776

Parts no.2P0662 172-7776 Materialsteel
TypeWater PumpParts TypeEngine Parts
CompatibilityCaterpillar Transport PackageWooden box
TrademarkDIRON OriginLuoyang City
HS Code84099991 Production Capacity5000PCS/Year
Water Pump 2P0662 172-7776
  • Date First Listed:2026/03/17
  • Manufacturer:Diron Parts
  • Part Number: 2P0662 172-7776
  • Part Type:Water Pump
  • Description: Water Pump 2P0662 172-7776 for Caterpillar Engine 3304 3306

The 2P-0662 (also cross-referenced as 172-7776) is a high-reliability aftermarket water pump assembly engineered for Caterpillar® 3304 and 3306 diesel engines. This complete unit circulates coolant through the engine block, cylinder head, and radiator, maintaining optimal operating temperature to prevent overheating, ensure efficient combustion, and protect engine components in heavy-duty construction, mining, trucking, and industrial applications.

Key Features & Benefits

  • High-flow impeller design delivers strong, consistent coolant circulation at all engine speeds
  • Precision-machined housing and mounting flange for perfect alignment and leak-free sealing
  • Heavy-duty bearing and shaft assembly for reliable operation under vibration and thermal cycling
  • Integrated weep hole to detect early seal wear and prevent coolant contamination
  • Direct bolt-on fit with factory-matched gasket surface and pulley configuration
  • 100 % pressure-tested and spin-tested for flow, seal integrity, and no leakage

Common Applications (Caterpillar® Compatibility)

  • Engines: – 3304 (PC & DI) – 3306 (PC & DI)
  • Typical Machines: – Track-Type Tractors: D4D, D5, D5B, D6C, D6D, D7F, D7G – Wheel Loaders: 966C, 966D, 980B, 980C – Excavators: 215, 225, 235 – Off-Highway Trucks: 627B, 637D – Generator sets, marine propulsion, and industrial power units

Technical Specifications

  • Part Number Reference: 2P-0662 (cross-reference 172-7776)
  • Type: Engine coolant water pump (complete assembly)
  • Rotation: Clockwise
  • Pulley: Factory-matched V-groove configuration
  • Mounting: Direct bolt-on flange pattern
  • Flow Rate: Matches factory specification at rated RPM
  • Weight: ≈ 12 kg (26 lb)

Important Note:

  • We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
  • Note: While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?

A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?

A: FOB

Q4. How about your delivery time?

A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?

A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery

Q8. How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit ;
   2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from

  • Factory OF DIRON

Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.

  • Team OF DIRON

With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.

  • Products OF DIRON

As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.



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