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Suzuki Lower Unit SE521 – Replaces DF200/225/250TX/TXX 2004–Current – 25″ & 30″ Shaft
Suzuki Lower Unit SE521 – Replaces DF200/225/250TX/TXX 2004–Current – 25″ & 30″ Shaft Original price was: $1,825.95.Current price is: $1,645.00.
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SE404 (REPLACES SOME YAMAHA 2-STROKE AND 4-STROKE 75-100 HP
Yamaha Aftermarket Lower Unit – Replaces 75–100HP 2/4 Stroke – 2.0 & 2.3 Gear Ratios – 18 Spline – 20" & 25" Shafts – SEI 90-404 Original price was: $1,326.45.Current price is: $1,195.00.

Yamaha Aftermarket Lower Unit – Replaces F200-F300 2014-2021 – 1.75:1 Gear Ratios – 30” DriveShafts – SEI 423

Original price was: $1,898.10.Current price is: $1,710.00.

Use the coupon code WELCOME5 at checkout to get 5% off on your first order
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SKU: ST-90-423-B30F Categories: , , ,
Description

Does not fit engines that were built with two-piece driveshafts.

Does not fit engines that have the TERE (Thrust Enhancing Reverse Exhaust) feature.

Replaces these OE #’s
6CE-45300-11-8D
6CE-45300-12-8D
6CE-45300-13-8D
6CE-45300-14-8D
6CE-45300-15-8D

Use CRTL+F to Search for your Engine Model Number

Year Model Number Shaft Gear Ratio SEI part number
2021 F250UCA 30 1.75:1 90-423-B30F
2021 F300UCA 30 1.75:1 90-423-B30F
2020 F300UCA 30 1.75:1 90-423-B30F
2019 F250UCA 30 1.75:1 90-423-B30F
2019 F300UCA 30 1.75:1 90-423-B30F
2018 F250UCA 30 1.75:1 90-423-B30F
2018 F300UCA 30 1.75:1 90-423-B30F
2017 F250UCA 30 1.75:1 90-423-B30F
2017 F300UCA 30 1.75:1 90-423-B30F
2016 F250UCA 30 1.75:1 90-423-B30F
2016 F300UCA 30 1.75:1 90-423-B30F
2016 F300BETU 30 1.75:1 90-423-B30F
2015 F250UCA 30 1.75:1 90-423-B30F
2015 F300UCA 30 1.75:1 90-423-B30F
2014 F250UCA 30 1.75:1 90-423-B30F
2014 F300UCA 30 1.75:1 90-423-B30F
Additional information
Weight 72 lbs
Dimensions 60 × 37 × 10 in
Shipping & Delivery
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