Keep your Suzuki DF90A running at optimal temperature with this 60°C thermostat and genuine cover seal kit — ideal for 90HP 4-stroke outboards from 2019 and up.

✅ Fits Suzuki Models:
• DF90A – 90 HP
• 4-Stroke EFI
• 2019 and newer

✅ Kit Includes:
• 1 x 60°C Thermostat (high-quality aftermarket)
• 1 x Thermostat Cover Seal (Genuine Suzuki – P/N: 17685-87L01)

✅ Replaces Part Numbers:
• Thermostat: 17670-90J01, 17670-90J00
• Seal: 17685-87L01
(OEM numbers used for reference – fully compatible aftermarket part + genuine seal)

Key Features:
• Maintains correct engine cooling (60°C rating)
• Marine-grade construction – reliable in salt & freshwater
• Direct fit – easy installation
• Helps prevent overheating and engine damage
• Perfect for routine service or thermostat replacement

Why Choose SSI Marine?
• Quality parts at competitive prices
• UK-based stock with fast dispatch
• Same-day shipping before 1 PM
• Tracked 24-hour delivery
• Collection available from Leigh (Manchester)
• VAT invoices available upon request
• Friendly technical advice — we’re here to help

⚠️ Fitment Notice:
Please double-check your engine model and year before purchasing.
If unsure, send us your serial number — our technical team will confirm fitment.

Suzuki DF90A 90HP 2009 &UP Thermostat (60°C) + Genuine Seal | Replaces 17670-90J01 / 17670-90J00 / 17685-87L01