Hydraulic Pump 31Q6 10020 K3V112DTP 1H9R 9P12 Fits For Hyundai R210LC 9 R210LC9 R220LC 9 R235LC 9 01 21f8e2a8 be62 4c24 bc90 6fe8295c0e47.jpg

31Q6-10020 K3V112DTP-1H9R-9P12 Hydraulic Pump for Hyundai R210LC-9 R210LC9

For Kobelco MARK IV SK220, SK220-4 and MD240C: an aftermarket new hydraulic pump assembly, part number 2437U402F2 that supplies the oil flow and pressure the machine hydraulics work with. It also appears under part number 2437U402F3.

Category: Hydraulic Pump Assembly

Description
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2437U402F2 Hydraulic Pump Assembly is an aftermarket replacement hydraulic pump assembly for Kobelco MARK IV, including SK220, SK220-4, MD240C. The main hydraulic pump converts engine power into pressurized oil flow. Supplied by LIONKITS as new, aftermarket.

2437U402F2 Hydraulic Pump Assembly Specifications

Product Type: Hydraulic Pump Assembly
Part Number: 2437U402F2, 2437U402F3
Compatible Brand: Kobelco MARK IV
Condition: new, aftermarket
Country of Origin: China

Kobelco MARK IV Models Compatible with the 2437U402F2 Hydraulic Pump Assembly

Fitments: (MD240C) – EXCAVATOR ASN LLU00601 (1/80-12/06)
(MD240C) – EXCAVATOR BTW LLU0301 – LLU0600 (1/80-12/06)
(SK220) – MARK III EXCAVATOR ASN LQ02701 (1/91-12/95)
(SK220) – MARK III EXCAVATOR ASN LQU0001 (1/91-12/95)
(SK220LC) – MARK III EXCAVATOR ASN LL02001 (1/91-12/97)
(SK220LC) – MARK III EXCAVATOR BTW LLU0301 – LLU0600 (1/91-12/91)
(SK220LC) – MARK III EXCAVATOR BTW LLU0601 – LLU1200 (1/91-12/06)
(SK220) – MARK IV EXCAVATOR ASN LQ02101 (1/95-12/00)
(SK220) – MARK IV EXCAVATOR ASN LQU0101 (1/95-12/00)
(SK220) – MARK IV EXCAVATOR ASN LQU0101 – 1995 (1/95-12/00)
(SK220LC) – MARK IV EXCAVATOR ASN LL01801 (1/95-12/97)
(SK220LC) – MARK IV EXCAVATOR ASN LLU1801 (1/95-12/97)
(SK220LC) – MARK IV EXCAVATOR BTW LLU1201 – LLU1800 (1/95-12/97)
(SK250) – MARK IV EXCAVATOR ASN LQU0101 (GLOBAL) (1/04-12/05)
(SK250) – MARK IV EXCAVATOR ASN LQU0101 (NA) (1/98-12/04)
(SK250LC) – MARK IV EXCAVATOR ASN LLU1201 (NA) (1/95-12/95)
(SK250LC) – MARK IV EXCAVATOR ASN LLU1801 (GLOBAL) (1/97-12/07)
(SK250NLC) – MARK IV EXCAVATOR ASN LLU5059 (GLOBAL) (1/95-12/06)
(SK270LC) – MARK IV EXCAVATOR LBU0001 – (1/96-12/00)

Your model is not listed? Contact LIONKITS via live chat or email with your machine model and nameplate photo, and we will confirm compatibility.

What Does a Hydraulic Pump Do?

The main hydraulic pump converts engine power into pressurized oil flow. That oil moves the boom, arm, bucket, swing and travel functions, so every machine movement depends on it. Because it takes the most punishment, it is usually the first major hydraulic component to wear out.

Signs the Part Needs Replacing

Slow or weak movement on all functions: when everything is slow at once, not just one circuit, the pump is the most likely source.
Whining, knocking or grinding noise: internal wear or cavitation, especially on start-up or when the oil is cold.
Hydraulic oil running hot: internal bypass leakage turns pressure into heat.
Metal particles in the filter or case drain: a failing pump sheds metal and pushes out more case drain flow.
Erratic or spongy movement, foamy oil: air entering the suction line, or aeration, upsets pump flow.

These symptoms overlap with clogged filters, low oil, air in the suction line and worn valves, so check the filters and oil level before replacing the part.

How to Order and Install the 2437U402F2 Hydraulic Pump Assembly

Confirm your machine model, the part number and the pump model on your existing pump before ordering.
Send a photo of the old pump or the nameplate if you are not sure; LIONKITS will confirm fitment for you.
Change the hydraulic oil and the return filters before fitting the new pump; a new pump installed in contaminated oil will fail early.
If the old pump failed internally and shed metal, flush the tank, hoses and oil cooler and inspect the control valve and motors for contamination.
Fill the pump case with clean hydraulic oil and prime the pump as the service manual specifies before the first start.
Check the suction line, strainer and fittings for air leaks, and tighten bolts to the specified torque.
Run the machine at low speed first, then check pressure, noise and leaks.

Frequently Asked Questions

What is the 2437U402F2 Hydraulic Pump Assembly?

The 2437U402F2 Hydraulic Pump Assembly is an aftermarket replacement hydraulic pump assembly for Kobelco MARK IV , supplied as new, aftermarket under part numbers 2437U402F2, 2437U402F3.

Which Kobelco MARK IV models does the 2437U402F2 Hydraulic Pump Assembly fit?

It is listed for SK220, SK220-4, MD240C and other models in the compatibility list above. If you are unsure, send your machine nameplate to LIONKITS for confirmation.

How do I know my hydraulic pump is failing?

Typical signs are slow or weak movement on all functions, whining or knocking noise, hot hydraulic oil, metal particles in the filter or case drain and erratic or spongy movement.