$65.70
- Brand: OMC
- Size: GM Small Block
- Style: N/A
- Condition: Used
- Notes: Professionally Cleaned & Inspected!
- SKU: 52024 FLW
- Manufacturer Part Number: 978456N
- Country of Manufacture: United States
- Motor & Engine Type: OMC
- Part Type: Motors, Engines & Components
- Other Part Number: GM3
- Surface Finish: N/A
- Warranty: 1 Year
- Inventory Number: 52024 FLW
- Website Category: Sterndrive and Jetdrive Parts
- Website Sub Category: Sterndrive Ignition and Electrical
- UPC: N/A
- Shipping: $16.00
SOUTHCENTRAL OUTBOARDS
ALTAMONT · ILLINOIS
OMC Flywheel
◆ 1 YEAR WARRANTY◆ 153 TOOTH RING GEAR◆ GENUINE OEM
Part Numbers
◆ Flywheel: 978456N
◆ Cross-Reference: GM3
Condition
◆ In Good condition
◆ No visible damage
◆ Ready to install
◆ 153-tooth ring gear
Fitment
Fits: OMC / MerCruiser / Volvo Penta
Engine: GM small-block 153T 2-piece rear main seal
Note: Confirm year and HP against your serial number before ordering
This cross-reference is provided with the resources we have available and may not cover every model within the years and horsepowers listed. Fitment is the buyer's responsibility — match the part number to your motor before purchasing and contact us if you need help.
30 DAY FREE RETURNS IF LISTED INCORRECTLY | 60 DAYS TO RETURN AT YOUR COST — ANY REASON | 365 DAY WORKING WARRANTY IF IT FAILS, WE COVER IT |
One year working warranty — if it fails mechanically in normal use, we replace it, or refund if we cannot.
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The real sale is the responsibility we have to each customer to list, clean, sell, and ship a part correctly. If we miss that mark, please tell us and we will make it right.
— The SCO Team

