11030742 Spacer Ring | Genuine Volvo Penta Part

🔧 Product Description

This is a genuine Volvo Penta spacer ring from the cooling system group, used to set and maintain correct spacing between mating cooling-system components during assembly. It is a small, precisely dimensioned service item fitted to TWD and TD series industrial and generator-set diesel engines. Correct placement of this ring keeps mounted cooling components properly aligned and sealed.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD1240VE
• Volvo Penta TWD1643GE
• Volvo Penta TWD1652GE
• Volvo Penta TWD1653GE
• Volvo Penta TD164KAE
• Volvo Penta TWD1644-45GE
• Volvo Penta TWD1663GE
• Volvo Penta TWD1682-83GE
• Volvo Penta TWD1683GE-B
• Volvo Penta TWD1672-1673GE
• Volvo Penta TWD1744GE

• Engine Family: TWD, TD
• HP Range: Approximately 500-800 HP
• Year Range: Approximately 1990s - 2010s

⚙️ Key Features

• OEM Volvo Penta part number 11030742
• System group: Cooling System
• Net weight: 0.020 kg
• Fits TWD1240VE, TWD1600 and TWD1700 series plus TD164KAE engines
• Supplied as a single spacer ring
• Engine type: Volvo Penta inline 6-cylinder 16-litre diesel

🔌 Function

The spacer ring maintains the correct gap and axial position between adjoining cooling-system parts so that fasteners load evenly and sealing faces meet squarely. This prevents component misalignment that would otherwise lead to leaks or uneven wear.

⚠️ Common Signs of Failure

• Coolant seepage or weeping at the joint the ring sits in
• Visible corrosion, pitting or scaling on the ring surface
• Deformation or flattening from over-torqued fasteners
• Loose or rattling assembly caused by a worn or thinned ring
• Repeat seal or gasket failure at the same joint after service

🛠️ Service Notes

• Record what came out and from where before dismantling; spacers set endfloat, height or alignment, and the original arrangement is the starting point for the rebuild
• Measure rather than assume — a spacer that has been in service can be worn or bedded in, so check the assembly against the procedure in the workshop manual for your engine rather than trusting the old stack
• Clean the faces and remove any burr from the shaft, bore or seat; grit or a raised edge under a spacer throws out the very dimension it is there to control
• Fit the spacer the correct way round where its faces differ, with any chamfer or radius toward the mating component, and confirm it sits flat and square
• Recheck free movement and the specified clearance or preload after the spacer is in place, before the assembly is finally closed up

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 11030743 - Related shaft
• 11030740 - Related impeller
• 11030662 - Related retaining ring
• 11030663 - Related spacer ring
• 11032164 - Related water pumps
• 22331121 - Related water pumps

Aftermarket / Verified Equivalents

• SRP: SR-30742

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging