CORE ASSEM. 6N4389 - Caterpillar

6N4389 CORE ASSEM. Caterpillar parts 623B, 633D

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Alternative (cross code) number:
CA6N4389
6N-4389
6N4389

Weight: 0.010 pounds 0 kg.

Buy CORE ASSEM. 6N4389 Caterpillar genuine, new aftermarket tractor parts with delivery
WHEEL TRACTOR,

Compatible equipment models: 6N4389:

WHEEL TRACTOR 623B 633D Caterpillar

Number on catalog scheme: 1

Caterpillar 6N4389 Parts scheme CORE ASSEM.

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Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
Illustration 1 g06126236
View showing area of common failure
Hoses for the A/C have been failing on certain L and M Series Wheel Loaders. The most common failure mode is a rupture of the hose near the coupling at the A/C condenser core.Solution
Table 1
Required Parts
Item Qty Part Number Description Former Part Number
1 1 499-3885 Hose As 447-0928
2 1 499-3886 Hose As 364-9869
3 1 499-3887 Hose As 364-9880 Caterpillar is aware of this problem, and an interim fix has been defined. New A/C hoses are available to replace the current hoses.Inspect the machine for A/C hose leaks. If the machine appears to have an A/C hose leak, verify the source of the leak and replace with the new part number.Report any feedback regarding this CPI# 376276-226173 issue to Caterpillar by completing a CPI Feedback Form at Service Information Management System (SIMS). The link to SIMS can be found on SIS web.