Composite flat idler pulley with flanges, designed for efficient engine to transmission power routing.
Compatibility
- Murray engine to transmission 38" cut 12hp ride-ons (1987-1993)
| Model # | B1MU7978 |
| Brand | JAK Max |
| Type | Lawnmower Idler Pulley |
| Height | 26.99mm |
| OEM Part Number | Murray: 91179, 421409 |
| Inner Diameter | 12.7mm |
| Outer Diameter | 84.93mm |
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