# 1675386 Protecting Cover | Genuine Volvo Penta Part

## 🔧 Product Description

This genuine Volvo Penta protecting cover is a protective housing/guard component used in the idler-pulley and belt-drive protecting cover. 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 covers and protects the idler-pulley mounting and rotating belt-drive components. Selection must be confirmed by OEM part number 1675386, the exact engine/product model, serial number and the installed assembly configuration.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAMD63L-A
-   Volvo Penta TAMD63P-A
-   Volvo Penta TAMD75P-A
-   Volvo Penta TAMD73P-A
-   Volvo Penta TAMD73WJ-A
-   Volvo Penta TAMD74P-A
-   Volvo Penta TAMD74P-B
-   Volvo Penta TAMD74A
-   Volvo Penta TAMD74C-A
-   Volvo Penta TAMD74C-B
-   Volvo Penta TAMD74L-A
-   Volvo Penta TAMD74L-B

-   **Engine Family:** TAMD

## ⚙️ Key Features

-   OEM Volvo Penta part number 1675386
-   System group: Cooling System
-   Net weight approximately 0.023 kg (23 g)
-   Supersedes and replaces former part number 866826
-   Fits TAMD63, TAMD73, TAMD74 and TAMD75 series marine diesel engines

## 🔌 Function

The protecting cover shields a cooling system component or connection from physical contact, debris and abrasion during engine operation and servicing. It helps preserve the integrity of the protected part and reduces the risk of accidental damage in a crowded engine compartment.

## ⚠️ Common Signs of Failure

-   Cracking, splitting or general brittleness from prolonged heat exposure
-   Loose or missing fasteners allowing the cover to rattle or shift out of position
-   Deformation or chafing marks indicating contact with adjacent components
-   Corrosion, discolouration or coolant staining on or around the cover
-   Exposed or damaged components underneath where the cover is missing or broken

## 🛠️ Service Notes

-   Refit the cover before the engine is run — its job is to keep hands, hoses and wiring away from hot or moving parts, and the engine should not be run in service without it
-   Check every fastener, clip, grommet and spacer is present and correct; a guard held on by fewer fixings than it should have will vibrate, crack and chafe what it is protecting
-   With the cover fitted, check clearance to moving parts, belts and hot surfaces all the way round, and turn the engine over by hand where anything is close
-   Renew rather than repair a cover that is cracked, deformed or has been previously patched, and do not modify or drill it to clear a component
-   Take the chance while it is off to inspect what it covers for chafe marks, heat damage and rubbing, and correct the cause before the cover goes back on

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   1675386 → Supersedes 866826

### OEM / Related Numbers

-   866826 earlier number superseded by this part
-   Idler pulley 3154314
-   Bracket 866654
-   Screw 945444
-   Washer 1675387

## 📦 Condition

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

## Details

- **Price:** 4.57 AUD
- **Vendor:** Volvo Penta
- **Type:** Cooling System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.57 AUD | In stock |

## Images

- 1675386 Protecting Cover | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/1675386-protecting-cover-genuine-volvo-penta)
> Updated: 2026-09-19