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Qualifying new parts include 1-year coverage. Review the Warranty Policy section for coverage details, claim steps, and exclusions.
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Front Idler 203-30-52112 For Komatsu PC128US-2 PC128UU-2 PC138US-2 PC100-5 PC120-5 PC130-5 PC120-6 PC130-6 PC130-7 PC130-8 PC138US-8 PC138US-10
OEM:203-30-52112
Application:
BM020C-1 S/N 1001-UP MOBILE CRUSHERS AND RECYCLERS
BR200S-1 S/N 1001-UP MOBILE CRUSHERS AND RECYCLERS
BR200T-1 S/N 1101-UP MOBILE CRUSHERS AND RECYCLERS
BR210JG-1 S/N 1002-UP MOBILE CRUSHERS AND RECYCLERS
BZ200-1 S/N 1006-UP MOBILE CRUSHERS AND RECYCLERS
BZ210-1 S/N 1001-UP (Overseas Version) MOBILE CRUSHERS AND RECYCLERS
BZ210-1 S/N 1001-UP MOBILE CRUSHERS AND RECYCLERS
CS210-1 S/N 10001-UP CRAWLER STABILIZERS
PC100-5 S/N 28001-UP EXCAVATORS
PC100-5C S/N 28001-UP (Custom Spec.) EXCAVATORS
PC100-5S S/N 32402-UP EXCAVATORS
PC100-5Z S/N 32402-UP EXCAVATORS
PC100-6 S/N 40001-UP EXCAVATORS
PC100-6E S/N 40001-UP EXCAVATORS
PC100-6S S/N 40001-UP EXCAVATORS
PC100-6Z S/N 40001-UP (Excel Spec.) EXCAVATORS
PC100-6Z S/N 40001-UP EXCAVATORS
PC120-5 S/N 30001-UP EXCAVATORS
PC120-5C S/N 36601-UP (Custom Spec.) EXCAVATORS
PC120-5M S/N 36601-UP (Mighty Spec.) EXCAVATORS
PC120-5S S/N 36601-UP EXCAVATORS
PC120-5Z S/N 36601-UP (Excel Spec.) EXCAVATORS
PC120-5Z S/N 36601-UP EXCAVATORS
PC120-6 S/N 45001-UP EXCAVATORS
PC120-6E S/N 45001-UP EXCAVATORS
PC120-6E0 S/N 70001-UP (SAA4D102E-2 (Emission) Eng. Installed) EXCAVATORS
PC120-6E0-T2 S/N 70001-UP EXCAVATORS
PC120-6H S/N 45001-UP EXCAVATORS
PC120-6J S/N 45001-UP EXCAVATORS
PC120-6S S/N 45001-UP EXCAVATORS
PC120-6Z S/N 45001-UP EXCAVATORS
PC120-6Z-A1 S/N 45001-UP EXCAVATORS
PC120LC-6 S/N 45001-UP (Overseas Version) EXCAVATORS
PC120LC-6E0 S/N 70001-UP (SAA4D102E-2 (Emission) Eng. Installed) EXCAVATORS
PC120SC-6 S/N 10001-UP EXCAVATORS
PC128US-2 S/N 5001-9500 (For EU) EXCAVATORS
PC128US-2 S/N 5001-9500 (For North America) EXCAVATORS
PC128US-2 S/N 5001-9500 EXCAVATORS
PC128US-2-A S/N 9501-UP EXCAVATORS
PC128US-2-AC S/N 9501-UP EXCAVATORS
PC128US-2-AT S/N 9501-UP EXCAVATORS
PC128UU-2 S/N 5001-UP (For North America) EXCAVATORS
PC130-5 S/N 36601-UP EXCAVATORS
PC130-5S S/N 36601-UP EXCAVATORS
PC130-6 S/N 45001-UP EXCAVATORS
PC130-6E S/N 45001-UP EXCAVATORS
PC130-6E0-T2 S/N 60001-UP EXCAVATORS
PC130-6G S/N 45001-UP EXCAVATORS
PC130-6K S/N K30001-UP EXCAVATORS
PC130-7 S/N 70001-UP (For Australia) EXCAVATORS
PC130-7K S/N 70001-UP EXCAVATORS
PC130-8 S/N 80001-UP EXCAVATORS
PC130-8 S/N B10001-UP EXCAVATORS
PC130-8 S/N C30001-UP EXCAVATORS
PC138US-10 S/N F40003 AND UP EXCAVATORS
PC138US-2 S/N 4501-UP (Overseas Version) EXCAVATORS
PC138US-2-A S/N 4501-UP EXCAVATORS
PC138US-2-AC S/N 4501-UP EXCAVATORS
PC138US-2-AT S/N 4501-UP EXCAVATORS
PC138US-2E S/N 4501-UP (For EU) EXCAVATORS
PC138US-8 S/N 20001-24509 (For EU) EXCAVATORS
PC138US-8 S/N 20001-24509 EXCAVATORS
PC138US-8 S/N 20001-UP EXCAVATORS
PC138US-8 S/N 24510-UP EXCAVATORS
PC138USLC-10 S/N 40001-UP EXCAVATORS
PC138USLC-2 S/N 1501-UP (SAA4D95LE-3 (TIER 2) Eng. Installed) EXCAVATORS
PC138USLC-8 S/N 20001-24509 (For North America) EXCAVATORS
PC138USLC-8 S/N 24510-UP (North America Standard Machine) EXCAVATORS
| original | 203-30-52112,2033052112 |
Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Front Idler 203-30-52112 for Komatsu PC128US-2 PC128UU-2 PC138US-2 PC100-5 PC120-5 PC130-5 PC120-6 PC130-6 PC130-7 PC130-8 PC138US-8 PC138US-10 (SKU: ES34821).
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Every new aftermarket part from us includes a 1-year warranty. Full terms, coverage, and how to make a claim: Warranty Assistance.
We ship to customers around the world. Orders are sent with our standard courier service—trackable, dependable, and easy to work with. On this product page, use Get Estimate under the price to see shipping cost and estimated delivery for your location. For destinations, rules, and full details, read our Shipping Policy Details.
We want you to be confident in your order. If you are not satisfied, you may qualify for a return or refund within 90 days, subject to conditions. See our Easy Return Policy for eligibility, steps, and exceptions.
