21551974 Intermediate Housing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta IPS-A Intermediate Housing - Part Number: 21551974

A major cast housing used in the Volvo Penta IPS-A lower-gear assembly from drive serial number 3194012078 onward. It carries the intermediate bearings, seals and steering-related components between the upper and lower drive sections.

⚙️ Key Features

• IPS-A lower-gear structural housing

• Applicable from drive serial number 3194012078 onward

• Precision-machined bearing and seal bores

• Supports vertical-shaft and steering components

• Corrosion-protected marine casting

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• Current OEM reference: 21551974

OEM / Related Numbers:

• 21551974

• 184093 - Needle roller bushing

• 184863 - Needle roller bearing

• 21535352 - Lip seal

• 955975 - O-ring

• 3861976 - Gasket

• 3861697 - Gear segment

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

• IPS-A marine propulsion drive

• Included in the lower-gear assembly from drive serial number 3194012078 onward

🔌 Function

The housing maintains alignment between the IPS drive sections and provides the machined support surfaces for bearings, seals and steering components.

Common signs of failure or damage:

• Impact cracks or structural distortion

• Corrosion around water passages and seal bores

• Bearing bores worn out of tolerance

• Drive-oil or water leakage

• Steering play caused by worn mounting locations

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging