20Y-01-31151 Inlet Rubber Air Hose for Komatsu PC200-7

20Y-01-31151 Inlet Rubber Air Hose for Komatsu PC200-7

The 20Y-01-31151 / 20Y0131151 inlet rubber air hose is used for Komatsu excavator air intake system applications. It is commonly searched as an air intake hose, turbo air intake hose, inlet pipe or pipe in for Komatsu PC200-7 excavator references.

This page focuses on 20Y-01-31151 as the main part number. Before ordering, the removed hose should be compared by shape, bend angle, inner diameter, clamp position, material condition and machine serial number.

20Y-01-31151 Part Number Focus

The main part number for this product page is 20Y-01-31151. The non-hyphen search format 20Y0131151 may also appear in supplier listings, parts searches and maintenance records.

To keep the product selection accurate, this page should not be mixed with other pipe in numbers or general hose catalog lists. Similar air hoses may have different length, curve shape, port diameter or clamp position.

Application and Fitment Reference

The 20Y-01-31151 Komatsu air intake hose is mainly referenced for PC200-7 excavator applications. Some public parts listings also associate this number with PC210-7, PC220-7 or PC240-7 model references, but final fitment should be checked by the actual hose and machine serial number.

For accurate identification, compare the old hose label or part number, hose routing, turbo or intake connection side, clamp area and installation space before confirming the order.

Common Failure Symptoms

• Cracked rubber surface: aging, heat and vibration may cause visible cracks on the hose body.

• Air leakage: loose clamps, damaged ends or hardened rubber may affect intake sealing.

• Reduced engine response: intake leakage or deformation may affect stable air supply.

• Oil mist contamination: oil residue around the hose should be checked together with the intake and turbo area.

• Incorrect hose fitment: wrong bend angle or diameter may cause installation stress and early failure.

Troubleshooting Before Replacement

• Confirm whether the old hose number matches 20Y-01-31151 or the search format 20Y0131151.

• Inspect the hose body for cracks, swelling, hardening, deformation or loose clamp marks.

• Check the air filter side, turbo side and intake connection area for dust or leakage traces.

• Compare the hose length, bend direction, inner diameter and clamp position with the removed part.

• Check whether nearby brackets, clamps or vibration points caused abnormal wear.

Installation and Maintenance Notes

• Clean the connection surfaces before installing the new hose.

• Avoid forcing the hose into position if the bend angle does not match the old part.

• Tighten clamps evenly to reduce air leakage and hose end damage.

• Keep the hose away from sharp edges, excessive heat and moving parts.

• After installation, check the intake system for leakage, vibration and abnormal contact.

• During routine service, inspect the hose together with the air filter, clamps and intake pipe connections.

FAQ

Q: What is 20Y-01-31151?

20Y-01-31151 is an inlet rubber air hose for Komatsu excavator air intake system applications. It may also be searched as 20Y0131151.

Q: Is 20Y-01-31151 the same as 20Y0131151?

Yes. 20Y0131151 is the non-hyphen search format of 20Y-01-31151. Both formats may appear in product searches and supplier listings.

Q: Which model is this hose mainly referenced for?

This hose is mainly referenced for Komatsu PC200-7. Other model references should be verified by the old hose shape, diameter, clamp position and machine serial number.

Q: What should be checked before ordering?

Check the old part number, hose shape, bend direction, inner diameter, clamp location, installation position and machine serial number. Clear photos of the removed hose are recommended.

Q: Can Topvelsun help verify the hose before shipment?

Yes. Buyers can send photos of the old hose, machine model, serial number and installation area. Topvelsun can help compare the visible details before order confirmation.