Komatsu Part O-RING 706-7K-40020
—
Product Overview
The 706-7K-40020 O-RING is a genuine Komatsu OEM replacement O-ring from the 706 prefix series.
Part Number: 706-7K-40020 Part Name: O-RING Part Type: OEM Komatsu Replacement Seal Availability: In stock
—
When to Replace
- Leak at the connection
- O-ring hard, cracked, or compressed
- Cuts or nicks visible
- Joint opened
—
Installation
- Confirm 706-7K-40020
- Clean the groove
- Lubricate
- Seat properly
- Tighten to spec
—
Request a Quote
Need the Komatsu 706-7K-40020 O-RING? Contact us through the form or by phone, email, or WhatsApp. We respond within one business day.

