The Dayton RB189 is a premium replacement Spring Bushing designed for Mack CH, CX, and CI series trucks. This Silent Block (Bolt Type) bushing is engineered to restore proper suspension geometry and ride quality.
Manufactured to meet or exceed OEM specifications, this bushing provides durable performance and reliable service life for heavy-duty applications.
| Mack | 10QK254M |
|---|---|
| SRI | RB189 |
| Part Number | RB189 |
|---|---|
| Brand | Dayton Parts |
| Bushing Type | Silent Block / Bolt Type |
| Inside Diameter (A) | 27mm |
| Outside Diameter (B) | 48mm |
| Overall Length (C) | 171mm |
| Sleeve Length (D) | 87mm |
| Lock Slot Length | 139mm |
| Application | Mack CH, CX, CI |
MEASURE FIRST:
Please verify dimensions (27mm ID x 48mm OD x 171mm Length) before ordering.
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