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Exhaust Manifold Sea-Doo 947/951 – Ref. 420931488 / 293250080 | GSX GTX RX XP LRV

Name: Exhaust Manifold Sea-Doo 947/951 – Ref. 420931488 / 293250080 | GSX GTX RX XP LRV
Brand: ROTAX tender parts
SKU: 420931488
Price: 19.90 EUR
Availability: InStock

€19,90 EUR

Sea-Doo 947/951 Exhaust Manifold Gasket – OEM Replacement Ref. 420931488

This aftermarket exhaust manifold gasket is designed to replace Sea-Doo OEM references 420931488, 290931488, and 293250080, on 947 and 951 cm³ engines. Positioned between the exhaust manifold and the head pipe, it ensures exhaust gas sealing and prevents any leaks that could degrade engine performance or damage surrounding components. Ideal for preventive replacement during an exhaust overhaul or as soon as a leak appears.

Technical Specifications

Replaced OEM References: 420931488 / 290931488 / 293250080
Application: Gasket between exhaust manifold and head pipe
Compatible Engines: Rotax 947 cm³ and 951 cm³
Condition: New – aftermarket replacement part
Packaging: 1 gasket
Weight: 0.1 kg
Regulated Substances: None
Installation: Direct replacement, manifold removal required

Compatibility

This exhaust manifold gasket is compatible with Sea-Doo models equipped with the following 947 and 951 engines:

GSX Limited (1998 – 1999)
GTX (2000)
GTX DI (2000)
GTX RFI (2000)
GTX Limited (1998 – 1999)
LRV (2000)
RX (2000)
RX DI (2000)
XP (2000)
XP Limited (1998 – 2000)
Sportster LE (2000) – Jet Boat

⚠️ Always check your serial number (VIN) and original OEM reference before ordering to confirm exact compatibility with your model.

Why Replace the Exhaust Manifold Gasket?

The exhaust manifold gasket is subjected to extreme thermal cycles with each use. Over time, it compresses, cracks, or burns, leading to hot gas leaks that can damage the engine compartment and degrade performance. Here are common symptoms of a failing gasket:

Burning smell or exhaust fumes in the engine compartment
Whistling or ticking noise from the manifold
Loss of engine power or unstable idle
Soot or blackening marks around the gasket
Abnormal overheating of the engine compartment

We recommend systematically replacing the manifold gasket during any exhaust system disassembly, or as soon as any of these symptoms appear. Preventive replacement at the beginning of the season ensures optimal sealing.