1664696 Protecting Casing | Genuine Volvo Penta Part

🔧 Product Description

This genuine Volvo Penta protecting casing is a protective housing/guard component used in the late-design accessory-belt tensioner protecting casing. It is manufactured to the original Volvo dimensional, material and interface requirements so the serviced assembly retains its designed alignment, sealing, load capacity and operating reliability. In service, it encloses, supports and protects the moving components of the belt-tensioner assembly. Selection must be confirmed by OEM part number 1664696, the exact engine/product model, serial number and the installed assembly configuration.

🚤 Compatibility

• Engine Family: TAD, TD, TWD

Full model list at the end of this description.

⚙️ Key Features

• OEM Volvo Penta part number 1664696
• System group: Engine
• Net weight 0.020 kg
• Supersedes previous part numbers 467321 and 465328
• Fits TD, TWD and TAD 1030, 1210, 1211, 1230, 1231 and 1232 series industrial and marine diesel engines
• Also supersedes Volvo part number 422629

🔌 Function

The protecting casing encloses or covers an adjacent engine component to shield it from abrasion, heat and dirt ingress. Keeping it in place preserves the service life of the item it protects.

⚠️ Common Signs of Failure

• Cracking, splitting or deformation of the casing body
• Chafing or wear-through leaving the protected component exposed
• Heat or oil degradation causing the material to harden and become brittle
• Loose, displaced or missing casing allowing contamination or contact damage
• Visible damage to the underlying component where protection has been lost

🛠️ Service Notes

• This is the late-design cover for the belt tensioner and supersedes two earlier numbers (467321 and 465328) — check which version your engine currently carries before ordering
• At only 0.02 kg this is a small cover, not a structural guard — check it is not cracked or missing before returning the tensioner to service, since a lost casing exposes the mechanism to dirt

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 1664696 → Supersedes 467321

OEM / Related Numbers

• 467321 earlier number superseded by this part
• Tensioner 1664689
• Lever 1664691
• Pin 1664695
• Pulley 1661878
• Bracket 1665674

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TAD1030P, TAD1030G, TAD1030V, TAD1030VE
• Volvo Penta TWD1210G, TWD1210P, TWD1210PB, TWD1210V
• Volvo Penta TD121G-87, TD121GP, TD121GPB
• Volvo Penta TWD1211V, TWD1211P, TWD1211G
• Volvo Penta TAD1230G, TAD1230V
• Volvo Penta TWD1230ME, TWD1230VE
• Volvo Penta TAD1231GE
• Volvo Penta TAD1232GE
• Volvo Penta TD1030VE
• Volvo Penta TD1210G
• Volvo Penta TWD1030ME
• Volvo Penta TWD1031VE
• Volvo Penta TWD1231VE