420888877 Seadoo Oil Radiator | Genuine Used Part

🔧 Product Description

Genuine Sea-Doo Oil Radiator - Part Number: 420888877

This genuine Sea-Doo oil radiator is used in the lubrication system on Sea-Doo 4-TEC and 1630 ACE engines. It helps transfer heat away from the engine oil, supporting stable oil temperature and engine protection during operation.

⚙️ Key Features

• Genuine Sea-Doo oil radiator

• OEM part number 420888877

• Factory engine oil cooler / radiator component

• Supersedes earlier OEM oil radiator reference 420888852

• Direct-fit OEM lubrication component for listed Sea-Doo 1503 and 1630 engines

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 420888877 → Supersedes 420888852

• 420888852 (earlier OEM reference)

OEM / Related Numbers:

• 420888877

• 420888852

• 420250057 — related O-ring

• 420250055 — earlier related O-ring reference

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Sea-Doo engine lubrication / oil cooling assemblies

Typically suits:

• Engine models:

• GTI 130 / GTI SE 130 — 1503 4-TEC lubrication

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

• GTS 130 — 1503 4-TEC lubrication

• GTR 215 / GTR 230 — 1503 4-TEC lubrication

• GTX 155 / GTX 170 / GTX 230 — 1503 / 1630 lubrication

• GTX PRO 130 — 1630 ACE lubrication

• FISH PRO 170 — 1630 ACE lubrication

• WAKE 170 / WAKE PRO 230 — 1630 ACE lubrication

• 2020 GTI 130 / GTI SE 130 / GTI SE 170 — Engine Lubrication

• 2021 GTI 130 / GTI SE 130 / GTI SE 170 — Rotax Engine Lubrication

• HP Range: Approximately 130HP - 230HP

• Engine Type: Sea-Doo Rotax 1503 4-TEC / 1630 ACE Lubrication System

• Year Range: Approximately 2010 - 2021

🔌 Function

The oil radiator cools engine oil by transferring heat away from the lubrication circuit, helping maintain correct oil temperature and engine protection.

Common signs of failure:

• Oil leakage around cooler area

• Oil temperature issues

• Contaminated oil or coolant where internal failure occurs

• Corrosion or impact damage to oil cooler body

• Oil seepage from damaged O-rings or sealing faces

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated