Komatsu Part O-RING 6150-21-1190

—

Product Overview

The 6150-21-1190 O-RING is a genuine Komatsu OEM replacement O-ring from the 6150 prefix series. O-rings are the fundamental sealing elements that keep your machine's fluids contained and its systems operating at full pressure.

Part Number: 6150-21-1190 Part Name: O-RING Part Type: OEM Komatsu Replacement Seal Availability: In stock — ready to ship

—

When to Replace

Replace the 6150-21-1190 when there's a visible leak at the sealed connection; when the O-ring has hardened, cracked, or shows compression set; when cuts, nicks, or extrusion are visible; or every time the sealed joint is opened for service.

—

Installation

1. Confirm 6150-21-1190 matches the old seal
2. Clean the groove — debris creates leak paths
3. Lubricate with clean oil
4. Seat without twisting
5. Tighten to spec

—

Request a Quote

Need the Komatsu 6150-21-1190 O-RING? Contact us through the form, or by phone, email, or WhatsApp. We respond within one business day.