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5% Off on First Order Welcome5
SEI 90-422 - 4 Stroke Aftermarket Lower Unit – Replacement for Yamaha Outboard 250HP – Fits 20", 25", 30" Shafts –
SEI 90-422 - 4 Stroke Aftermarket Lower Unit – Replacement for Yamaha Outboard 250HP – Fits 20", 25", 30" Shafts – Original price was: $1,416.45.Current price is: $1,349.00.
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Yamaha Aftermarket Lower Unit – Replaces 115–130HP 4 Stroke – Fits 20″ & 25″ Shafts – SEI 90-405
SEI 90-428 - 76° V6 Aftermarket Counter Rotation Lower Unit – Replacement for Yamaha Outboard 200–250HP 2/4 Stroke – Fits 25", 30" Shafts – Original price was: $1,552.89.Current price is: $1,399.00.

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

Original price was: $1,731.45.Current price is: $1,649.00.

5 in stock

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: , , , ,

Search your model no. for perfect fit

✔️
Manufacturer Warranty: 3-Year

✔️
Return Policy: 60-day, hassle-free returns

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Trusted by 6,000+ boaters across the USA

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

90-423-B30F (F250/F300 / 30″ Shaft / 1.75:1 Ratio)

  • F250UCA Series: 2021, 2019-2014
  • F300UCA Series: 2021-2014
  • F300BETU Series: 2016
Additional information
Weight 72 lbs
Dimensions 60 × 37 × 10 in
Brand

Brand

SEI

Shipping & Delivery
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