# 420460842 Seadoo Base Plate | Genuine Used Part

🔧 Product Description

  

Genuine Sea-Doo Base Plate - Part Number: 420460842

  

This genuine Sea-Doo base plate is used in the air intake manifold and throttle body assembly on selected Sea-Doo 4-TEC engines. It is an OEM support and locating component that helps position intake-related hardware correctly within the factory intake assembly.

  

⚙️ Key Features

  

• Genuine Sea-Doo base plate

• OEM part number 420460842

• Factory air intake / throttle body support component

• Helps locate and support adjoining intake hardware

• Direct-fit OEM plate for listed Sea-Doo 4-TEC intake assemblies

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• No available supersession chain

  

OEM / Related Numbers:

  

• 420460842

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Sea-Doo air intake manifold and throttle body assemblies

  

Typically suits:

  

• Engine models:

• 2011 GTI 130 — Air Intake Manifold and Throttle Body

• 2011 GTI LTD 155 — Air Intake Manifold and Throttle Body

• 2011 GTI SE 130 — Air Intake Manifold and Throttle Body

• 2011 GTI SE 155 — Air Intake Manifold and Throttle Body

• 2011 GTS 130 & Rental — Air Intake Manifold and Throttle Body

• 2011 WAKE 155 — Air Intake Manifold and Throttle Body

• 2011 WAKE PRO 215 — Air Intake Manifold and Throttle Body

• 2012 GTI 130 — Air Intake Manifold and Throttle Body

• 2012 GTI SE 130 — Air Intake Manifold and Throttle Body

• 2012 GTI SE 155 — Air Intake Manifold and Throttle Body

• 2012 GTR 215 — Air Intake Manifold and Throttle Body

• 2012 WAKE 155 — Air Intake Manifold and Throttle Body

  

• HP Range: Approximately 130HP - 215HP

• Engine Type: Sea-Doo Rotax 1503 4-TEC Air Intake / Throttle Body Assembly

• Year Range: Approximately 2011 - 2012

  

🔌 Function

  

The base plate supports and locates intake-system components so the throttle body and intake hardware remain correctly positioned in the factory assembly.

  

Common signs of failure:

  

• Loose intake hardware

• Cracks or damaged mounting points

• Misalignment of intake components

• Air leak from poor component seating

• Damage during intake manifold service

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 7.5 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 | 7.50 AUD | In stock |

## Images

- 420460842 Seadoo Base Plate | Genuine Used Part
- 420460842 Seadoo Base Plate | Genuine Used Part
- 420460842 Seadoo Base Plate | Genuine Used Part
- 420460842 Seadoo Base Plate | Genuine Used Part
- 420460842 Seadoo Base Plate | Genuine Used Part
- 420460842 Seadoo Base Plate | Genuine Used Part
- 420460842 Seadoo Base Plate | Genuine Used Part
- 420460842 Seadoo Base Plate | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/420460842-seadoo-base-plate-genuine-used-part)
> Updated: 2026-07-02