$53.10
- Brand: Mercruiser
- Size: 4.1L 250 / 165 HP
- Style: 153 Teeth
- Condition: Used
- Notes: Freshwater
- SKU: 31903 FLW
- Manufacturer Part Number: 3973455N
- Country of Manufacture: United States
- Motor & Engine Type: Mercruiser
- Part Type: Motors, Engines & Components
- Surface Finish: Painted, Red
- Warranty: 1 Year
- Inventory Number: 31903 FLW
- Website Category: Ignition and Electrical Systems
- Website Sub Category: Flywheels
- UPC: N/A
- Shipping: $16.00
SOUTHCENTRAL OUTBOARDS
ALTAMONT · ILLINOIS
Mercruiser Flywheel
◆ 1 YEAR WARRANTY◆ 153 TOOTH RING GEAR◆ GENUINE OEM
Part Number
◆ Flywheel: 3973455N
Condition
◆ Used flywheel removed from a takedown — inspected and offered as a serviceable used part
◆ 153-tooth ring gear
Fitment
Fits: MerCruiser
Engine: GM 250 CID (4.1L) Inline 6
Note: 165 HP
Note: Early 1970s
Note: 153T / 12.75in 2-piece rear main seal
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.
✦✦✦✦
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
