Komatsu Part BUSHING 17M-21-45110
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Product Overview
The 17M-21-45110 BUSHING is a genuine Komatsu OEM replacement bushing from the 17M prefix series. Bushings are replaceable wear surfaces at pivot joints — they provide a controlled bearing surface between the hardened pin and the structural housing bore.
Part Number: 17M-21-45110 Part Name: BUSHING Part Type: OEM Komatsu Replacement Bushing Availability: In stock
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When to Replace
- Joint looseness — clearance exceeds specification
- Oval or elongated bore from directional wear
- Surface cracks, galling, or scoring on bore
- Grease leaking past bushing face
- Pin shows wear ridge — replace together
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Installation
- Confirm 17M-21-45110 in your catalog
- Press out old bushing — clean housing bore
- Inspect pin — replace if worn
- Press new bushing to depth — align grease features
- Lubricate and pump fresh grease
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Request a Quote
Need the Komatsu 17M-21-45110 BUSHING? Contact us through the form or by phone, email, or WhatsApp. We respond within one business day.

