21187536 Rubber Cushion | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D11A-C IPS Rear Engine Mount - Part Number: 21187536

Genuine rear rubber cushion used in the IPS engine-mounting system of the Volvo Penta D11A-C IPS marine diesel engine. It isolates vibration while supporting and aligning the rear of the engine installation.

⚙️ Key Features

• Confirmed D11A-C IPS rear mounting position

• Elastomer vibration-isolation element

• Supports engine alignment

• Reduces structure-borne noise

• Matched to the associated mounting bracket and adjustment hardware

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21187536 - Current OEM part number

OEM / Related Numbers:

• 21187536

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

Associated Service Parts:

• 21187581 - Matching front rubber cushion; ordered separately

• 3593855 - Related bracket; ordered separately

• 3593856 - Related adjustment screw; ordered separately

• 3593858 - Related washer; ordered separately

• 3594127 - Related nut; ordered separately

🚤 Compatibility

Confirmed application:

• D11A-C IPS

• Position: Rear IPS engine mount

• Engine Type: Inline 6-cylinder marine diesel

• Engine and driveline alignment must be checked after installation

🔌 Function

The cushion supports the rear of the engine while isolating vibration and allowing controlled movement.

Common signs of failure:

• Collapsed or cracked rubber

• Excess engine movement

• Vibration transmitted into the hull

• Engine or driveline misalignment

• Rubber separating from the metal section

• Oil contamination softening the mount

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging