# 420641171 Seadoo Plug | Genuine Used Part

🔧 Product Description

  

Genuine Sea-Doo Plug Screw M30 x 1.5 - Part Number: 420641171

  

This genuine Sea-Doo M30 x 1.5 plug screw is used in the engine block / crankcase assembly on Sea-Doo 4-TEC and ACE engines. It seals factory block openings and is installed with the correct sealing arrangement in the original engine case.

  

⚙️ Key Features

  

• Genuine Sea-Doo plug screw

• OEM part number 420641171

• M30 x 1.5 engine block plug screw

• Used in factory engine block / crankcase assemblies

• Direct-fit OEM sealing plug for Sea-Doo 1503 and 1630 engine platforms

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 420641171 → Related to earlier 420641170

• 420641170 (earlier OEM reference)

  

OEM / Related Numbers:

  

• 420641171

• 420641170

• 014-750 — aftermarket reference

  

Aftermarket / Verified Equivalents:

  

• WSM: 014-750 — engine plug to suit 420641170 / 420641171

  

🚤 Compatibility

  

Commonly used on:

  

• Sea-Doo engine block / crankcase assemblies

  

Typically suits:

  

• Engine models:

• 2003 Sportster 4-TEC — Engine Block

• 2003 GTX 4-TEC / GTX 4-TEC Wake — Engine Block

• 2004 GTX 4-TEC / GTX LTD Supercharged / GTX Supercharged — Engine Block

• 2004 RXP 215 — Engine Block

• 2005 GTX 4-TEC / GTX LTD SCIC / GTX Supercharged / GTX Wake — Engine Block

• 2005 RXP 215 — Engine Block

• 2005 RXT 215 — Engine Block

• GTI 130 / GTI SE 130 — 1503 4-TEC Engine Block

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

• GTR 215 / GTR 230 — 1503 4-TEC Engine Block

• GTX 155 / GTX 215 / GTX 260 — 1503 4-TEC Engine Block

• RXP / RXP-X 260 / RXP-X 300 — 1503 4-TEC / 1630 ACE Engine Block

• RXT / RXT-X 260 / RXT-X 300 — 1503 4-TEC / 1630 ACE Engine Block

• FISH PRO 155 / FISH PRO 170 / FISH PRO 230 — Engine Block

• Explorer Pro 170 / Explorer Pro 230 / Explorer Pro 300 — Engine Block

  

• HP Range: Approximately 130HP - 300HP

• Engine Type: Sea-Doo Rotax 1503 4-TEC / 1630 ACE Engine Block Assembly

• Year Range: Approximately 2003 - 2024

  

🔌 Function

  

The plug screw seals a factory engine block opening and helps maintain oil containment and crankcase sealing.

  

Common signs of failure:

  

• Oil seepage around plug

• Damaged plug head from removal

• Stripped threads

• Missing or damaged sealing ring

• Leakage after engine block service

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 10.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Sea-Doo Parts | Jet Ski Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10.00 AUD | In stock |

## Images

- 420641171 Seadoo Plug | Genuine Used Part
- 420641171 Seadoo Plug | Genuine Used Part
- 420641171 Seadoo Plug | Genuine Used Part
- 420641171 Seadoo Plug | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/420641171-seadoo-plug-genuine-used-part)
> Updated: 2026-07-02