Prestige Crankshaft Position Sensor Sea-Doo 900 / 1503 / 1630 4-Tec 06-25 OEM# 420966570 – 004-521

Replace your worn or faulty crankshaft position sensor with this high-quality Prestige Crankshaft Position Sensor designed for selected Sea-Doo 900 ACE, 1503 and 1630 ACE 4-Tec models from 2006–2025.

Engineered to meet OEM-level standards, this aftermarket sensor provides accurate crankshaft position readings to help maintain proper ignition timing, engine performance and reliable starting.

Manufactured using high-quality components for durability and reliability in harsh marine environments, this sensor is ideal for servicing, repairs and engine diagnostics.

Replaces OEM Part Numbers

• 420966570

Prestige Powersports Part Number

• 004-521

Key Features

• High-quality aftermarket crankshaft position sensor
• OEM-style fitment and performance
• Provides accurate crankshaft position readings
• Helps maintain proper ignition timing and engine operation
• Designed for reliable starting and engine performance
• Durable construction for harsh marine environments
• Ideal for servicing, diagnostics and repairs

Why Choose Prestige Powersports

• Fast Australia-wide shipping
• Quality-tested aftermarket marine parts
• Reliable fitment and long service life
• Excellent value alternative to genuine OEM parts
• Huge range of Sea-Doo servicing, repair and performance parts available