CDI Unit for Mercury / Mariner Outboard 9.9HP 15HP 4-Stroke

High-quality CDI ignition unit designed to restore consistent spark and reliable engine performance for Mercury and Mariner 4-stroke outboards.

Will Fit:

• Mercury / Mariner Outboard 4-Stroke

• 9.9HP (323cc) 19982005 Serial numbers: 0P075166 through 0P400999

• 15HP (323cc) 19962005 Serial numbers: 9973100 and up

Replaces Mercury / Mariner Part Number:

• 835401T1

May fit other models and years not listed.
Please send your engine details and our team will happily check compatibility for you!

Product Features:

• High-quality aftermarket CDI ignition unit

• Built to OEM specifications for Mercury / Mariner outboards

• Strong, reliable spark for smooth engine running

• Durable, marine-grade construction

• Easy to install direct fit replacement

Please check compatibility before purchasing.
If unsure, contact us our SSI Marine team is happy to help!

Why Buy from SSI Marine?

• High-quality marine parts at competitive prices

• UK stock same-day dispatch (orders before 1 PM)

• Tracked 24-hour delivery

• Friendly, expert customer service

Order now from SSI Marine trusted supplier of premium outboard parts with fast UK shipping!