420274058 Seadoo Pressure Sensor | Genuine Used Part

🔧 Product Description

Genuine Sea-Doo Pressure Sensor - Part Number: 420274058

This genuine Sea-Doo pressure sensor is used in the engine management system on Sea-Doo 4-TEC personal watercraft. It monitors pressure input for the control system and sends a signal to the ECU so fuel, ignition and operating logic can be managed correctly.

⚙️ Key Features

• Genuine Sea-Doo pressure sensor

• OEM part number 420274058

• Engine-management pressure input sensor

• Later service reference relates to 420274057

• Used on Sea-Doo 4-TEC 130HP to 260HP electrical systems

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 420274057 → Replaces 420274058

• 420274058 (earlier OEM reference)

OEM / Related Numbers:

• 420274058

• 420274057

Aftermarket / Verified Equivalents:

• AJSP: AM420274057 — aftermarket pressure sensor to suit 420274057 / 420274058 applications

🚤 Compatibility

Commonly used on:

• Sea-Doo 4-TEC engine-management and pressure-sensing systems

Typically suits:

• Engine models:

• GTI 130 / GTI SE 130 — 1503 4-TEC

• GTI SE 155 / GTI LTD 155 — 1503 4-TEC

• GTS 130 — 1503 4-TEC

• GTR 215 / GTR 230 — 1503 4-TEC

• GTX 155 / GTX S 155 — 1503 4-TEC

• GTX 215 / GTX LTD 215 — 1503 4-TEC

• GTX LTD iS 260 — 1503 4-TEC

• RXP 215 / RXP-X 255 / RXP-X 260 — 1503 4-TEC

• RXT 215 / RXT-X 255 / RXT-X 260 — 1503 4-TEC

• WAKE 155 — 1503 4-TEC

• WAKE PRO 215 / WAKE PRO 230 — 1503 4-TEC

• HP Range: Approximately 130HP - 260HP

• Engine Type: Sea-Doo Rotax 1503 4-TEC Electrical / Engine Management System

• Year Range: Approximately 2006 - 2018

🔌 Function

The pressure sensor provides pressure data to the ECU so the engine-management system can calculate correct running strategy and monitor operating conditions.

Common signs of failure:

• Check engine warning or fault code

• Poor throttle response

• Rough idle or hesitation

• Reduced-power / limp-mode operation

• Incorrect pressure readings from sensor or wiring faults

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated