Fuel pump suitable for CASE 580SK / 580SE / 580SL
GX-AFTER

Fuel pump suitable for CASE 580SK / 580SE / 580SL

Catalog number:SK051181A Nr OEM:4983584 Manufacturer:GX-AFTER
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Fuel Lift Pump suitable for CASE 580 Cummins 4BT - 4983584

Technical Specification and Compatibility

Mechanical 4983584 fuel feed pump by GX-AFTER. This is a diaphragm pump driven by a camshaft lever, dedicated to legendary Cummins B-series engines (4B, 4BT, 6B, 6BT). Used in a wide range of machinery: from CASE 580 backhoe loaders (SK/SE/SL), through Case Maxxum and New Holland tractors, to crawler excavators. A key component for maintaining proper pressure in the low-pressure fuel section.

Part Number: 4983584
Type: Mechanical Lift Pump / Transfer Pump
Mounting: 2-bolt flange
Hole Spacing: 44 mm
Lever Depth: 55 mm (from flange to lever tip)
Dedicated Engines: Cummins 4BT 3.9L / 6BT 5.9L
Manufacturer: GX-AFTER

GX-AFTER supplies engine components with parameters consistent with the power unit manufacturers' specifications. A robust diaphragm and precise lever mechanism ensure long and trouble-free operation of the fuel system.

Features of GX-AFTER 4983584 Pump

Manual Lever: Built-in hand primer allows for quick bleeding of the fuel system after filter replacement or running out of fuel.
Standard Mounting: Flange with two holes spaced at 44 mm fits perfectly on Cummins engine blocks, eliminating fitment issues.
Reinforced Diaphragm: The diaphragm material is resistant to modern diesel fuels and bio-components, preventing cracking and leaks.
Drive Mechanism: The steel lever interacting with the camshaft lobe is hardened, minimizing frictional wear.

Application in machinery

Brand Models / Engines
CASE (Construction) Backhoe Loaders: 580K, 580SK, 580SE, 580L, 580SL
Excavators: 688
CASE IH (Agriculture) Maxxum: 5120, 5130, 5140, 5150, 5220, 5230, 5240, 5250
96 Series: 1896
JXU Series: JX1100U
New Holland T4040, T4050F, T5030-T5060, T6010-T6070, TN85, TN95, TD5040, TD5050, TL70-100, TS100-130
Engines Cummins: 4-390, 4T-390, 4B, 4BT, 4BTA, 6-590, 6T-590, 6TA-590, 6B, 6BT, 6BTA

Application also includes selected Komatsu machines with Cummins engines. Please verify visually (2 holes, 44mm spacing).

Related Parts and Hardware

When replacing the pump, it is necessary to use a new gasket (mounted between the pump and the engine block) to prevent oil leaks. It is also worth replacing the fuel filter and checking fuel lines for tightness.

⚠️ Safety Warning

A leaking feed pump can allow fuel into the engine oil (oil dilution) or cause external leaks (fire risk). Fuel supply issues can lead to engine stalling in dangerous situations.

Part Role in the Machine and Failure Diagnostics

Pump 4983584 draws fuel from the tank and supplies it under low pressure to the injection pump.

  • › Hard starting (fuel drains back to tank).
  • › Engine power loss (insufficient fuel supply).
  • › Fuel leak from the weep hole in the pump body (ruptured diaphragm).
  • › No response to manual pumping (damaged check valve).

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🔧 Expert Guide: Key Installation Tips

  1. Shaft Position: If the new pump doesn't sit flush against the block, rotate the engine crankshaft. The camshaft lobe might be pushing the lever out. Do not force it with bolts!
  2. Surface Cleaning: Thoroughly clean the mounting surface on the engine block of old gasket material to prevent oil leaks.
  3. Bleeding: After installation, use the manual lever to pump fuel and bleed the low-pressure system before attempting to start.

Frequently Asked Questions (FAQ)

What is the hole spacing?

The mounting hole spacing is 44 mm (measured center to center). This is standard for Cummins B-Series engines.

Does the pump have a hand lever?

Yes, this model features a built-in lever for manual fuel priming, which is essential when changing filters.

Which engines does it fit?

It fits Cummins B-series engines: 4-cylinder (4BT 3.9L) and 6-cylinder (6BT 5.9L), widely used in Case, New Holland, Komatsu, and other machines.

Question mark

Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.

SK051181A
4983584
0.40 kg

Data sheet

SUITABLE FOR
CASE
KOMATSU
OEM NUMBERS
4983584 / J904374
ENGINE
CUMMINS

Specific References

MPN
4983584
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Fuel pump suitable for CASE 580SK / 580SE / 580SL

Catalog number: SK051181A
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Manufacturer

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57a
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100

Responsible person

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100
gross price

97.79 zł

net price
79,50 zł
Available in large quantity Temporarily unavailable
79,50 zł
net price

97.79 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 8 points, it gives you 3.20 zł
  • Lowest price from 30 days before the discount: 97.79 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    CASE
    KOMATSU
    OEM NUMBERS
    4983584 / J904374
    ENGINE
    CUMMINS

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    WE OFFER PRODUCTS OF THE BEST BRANDS

    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
    NIP: 813-352-97-49 REGON: 180286726

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