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Replacement Parts PUMP GP-MT 1477343 for Caterpillar, New

Replacement Parts PUMP GP-MT 1477343 for Caterpillar, New

Part Name: PUMP GP-MT 1477343

Part Number: 1477343

art no.1477343
 MaterialCarbon Steel
TypePUMP GP-MTPart TypeEngineering machinery parts
CompatibilityCaterpillar Transport PackageWooden box
TrademarkDIRON OriginLuoyang City
HS Code84099991 Production Capacity5000PCS/Year
PUMP GP-MT 1477343 for Caterpillar
  • Date First Listed:2025/11/26
  • Manufacturer:Diron Parts
  • Part Type:PUMP GP-MT
  • Description: Replacement Parts PUMP GP-MT 1477343 for Caterpillar, New

The 147-7343 is a premium-quality aftermarket hydraulic steering metering pump group (also known as HMU – Hand Metering Unit) manufactured as a direct, bolt-on replacement for the Caterpillar® part number 1477343 (147-7343). This fully load-sensing, closed-center steering unit delivers precise, low-effort steering response and outstanding durability on medium and large Caterpillar® wheel loaders, integrated tool carriers, and articulated trucks.

Key Features & Benefits

  • 100% brand-new (not remanufactured) – no core charge or return required
  • High-strength aluminum housing with hardened steel gerotor set for long service life
  • Exact OEM displacement: 200 cc/rev (12.2 cu in/rev)
  • Load-sensing port and integrated priority valve ensure smooth, responsive steering even under heavy front-end loads
  • Same mounting pattern, shaft spline (19-tooth), and port configuration as genuine unit – true drop-in installation
  • Internal relief valve set to 175 bar (2538 psi) and anti-cavitation protection
  • Superior sealing package handles high temperatures and contaminated oil

Common Applications (Caterpillar® Compatibility)

  • Wheel Loaders: – 938G, 938G Series II – 950G, 950G Series II – 962G, 962G Series II – IT38G, IT62G
  • Articulated Trucks (some early models): 725, 730 (early serial prefixes)
  • Replaces genuine Cat 147-7343, 165-5891, 178-3639 (superseded numbers)

Technical Specifications

  • Part Number: 147-7343 (aftermarket direct replacement)
  • Displacement: 200 cm³/rev (12.2 in³/rev)
  • Max System Pressure: 241 bar (3500 psi)
  • Relief Valve Setting: 175 bar (2538 psi)
  • Ports: – Inlet / Load Sense / EF: SAE-12 O-ring – Left & Right Steering: SAE-10 O-ring – Tank: SAE-16 O-ring
  • Shaft: 19-tooth involute spline
  • Rotation: Bidirectional
  • Weight: Approx. 11.5 kg (25 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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