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Water Pump 6144-61-1400 for Komatsu D20 / D21 Dozers - Northline Parts product image

Water Pump 6144-61-1400 for Komatsu D20 / D21 Dozers

SKU: NLT2T04459
$287.19 In Stock
$287.19
Sale price  $287.19 Regular price 
Ships for free in 2–4 business days.
Restore circulation in the cooling system of a Komatsu 3D94-powered machine with a pump referencing 6144-61-1400. This is an engine-specific mechanical water pump, not a universal dozer part.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • Komatsu D20P-5, D20Q-5, D20S-5, D21A-5, D21S-5 as supplier-listed.

Compare mounting flange, pulley hub and 3D94 engine variant; confirm which gasket and fittings are included.

Product Overview

Coolant around the pump weep hole, grinding bearing noise or wobble at the drive can signal replacement time. Check the fan belt and radiator at the same time; a leaking pump can quickly turn a routine job into an overheating shutdown.

Key Features & Performance

  • Coolant around the pump weep hole, grinding bearing noise or wobble at the drive can signal replacement time.
  • Compare mounting flange, pulley hub and 3D94 engine variant; confirm which gasket and fittings are included.

OE / Reference Numbers

  • 6144-61-1400

Common Reasons for Replacement

Check the fan belt and radiator at the same time; a leaking pump can quickly turn a routine job into an overheating shutdown.

Frequently Asked Questions

Is this an OEM part? This listing is for a replacement part, not a genuine manufacturer-branded item unless expressly stated otherwise.

How do I check fitment? Compare mounting flange, pulley hub and 3D94 engine variant; confirm which gasket and fittings are included.

Part Summary

keywords: Water Pump 6144-61-1400 for Komatsu D20 / D21 Dozers, 6144-61-1400, Komatsu D20P-5, D20Q-5, D20S-5, D21A-5, D21S-5 as supplier-listed.

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

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