272000183 Sea-Doo Bellows | Genuine OEM BRP Part

🔧 Product Description

Genuine Sea-Doo 4-TEC Carbon Seal Bellows - Part Number: 272000183

A genuine BRP 50 mm driveshaft seal bellows used in the carbon-ring sealing system on numerous 1503 4-TEC personal watercraft and jet boats. The bellows supplies the spring pressure that holds the carbon ring against the stainless support or rotary ring.

⚙️ Key Features

• Genuine BRP flexible driveshaft-seal bellows
• Approximately 50 mm carbon-seal family
• Provides axial preload to the carbon-ring sealing face
• Resistant to bilge water, heat, vibration and repeated shaft movement
• Bellows only; carbon ring, support ring, O-rings and retaining clip are serviced separately unless supplied in a kit

🚤 Compatibility

Commonly used on

• GTI, GTS and GTX 4-TEC model families
• RXP, RXT and Wake 4-TEC model families
• Sportster, Speedster and Challenger 4-TEC jet boats
• Selected Islandia and Utopia 4-TEC installations
• Principally 1503 cc driveline arrangements whose propulsion diagram specifies 272000183

Typically suits

• HP Range: Approximately 130-260 HP across supported 1503 4-TEC applications
• Engine / Drive Type: 1503 cc naturally aspirated or supercharged Rotax 4-TEC with carbon-ring driveshaft seal
• Year Range: Approximately 2002-2015, model dependent
• Serial / Model Identification: Confirm the driveshaft, carbon ring, support-ring and bellows arrangement shown for the complete watercraft model and hull identification number.

🔌 Function

Pushes the carbon sealing face against the rotating stainless ring to keep lake or seawater from entering the hull around the driveshaft.

⚠️ Common Signs of Failure

• Water enters the hull around the driveshaft
• Bellows is split, soft, swollen or heat damaged
• Insufficient pressure is applied to the carbon ring
• Black carbon dust or excessive heat is present at the seal
• Seal leaks after driveshaft or engine alignment work

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 272000183 - current verified BRP service reference for the supported 4-TEC seal arrangement
• No later universal supersession confirmed

OEM / Related Numbers

• 272000183
• 295501200 - related earlier carbon-ring service kit
• 295501204 - related later carbon-ring service kit on different shaft arrangements

Aftermarket / Verified Equivalents

• SBT: 79-112-04
• Aftermarket 50 mm Sea-Doo 4-TEC carbon-seal bellows

📦 Condition

• Genuine Sea-Doo / BRP OEM part
• Brand new
• Supplied in genuine BRP or equivalent protective packaging