# 423403 Case | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta case in the alternative version, marked Alt, from the Engine group, weighing 0.460 kg and listed for 63 applications across the TD, TWD, TMD, TID, D and MD series engines.

## 🚤 Compatibility

-   **Engine Family:** TD, TWD, TMD, TID, D, MD, TAMD, TAD

Full model list at the end of this description.

## ⚙️ Key Features

-   Alternative version, marked Alt
-   0.460 kg
-   63 applications across six engine series
-   Quantity varies by assembly, most commonly five

## 🔌 Function

Houses and supports the assembly fitted inside it, sealing it from oil and dirt.

## ⚠️ Common Signs of Failure

-   Oil weep at the case joint or seal
-   Case cracked or the bore worn oval
-   Fixings loose or threads pulled
-   Corrosion or pitting on the sealing face

## 🛠️ Service Notes

-   Cover 423404 is also the alternative version and sits only 5 grams away at 0.465 kg, so order by name and part number rather than by weight
-   Confirm the engine takes the alternative arrangement before ordering

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TD120C, TD120A, TD120G, TD120GG PP, TD120HP, TD120HPP, TD120GG, TD120AHC, TD120ARC, TD120BHC, TD120BRC
-   Volvo Penta TID121KG, TID121KGP, TID121KP, TID121LG, TID121LGP, TID121LP, TID121FG, TID121K, TID121K-87
-   Volvo Penta TD121G-87, TD121GGP-87, TD121G, TD121GG, TD121GGP, TD121GP, TD121CHC, TD121CRC
-   Volvo Penta TAMD122A, TAMD122A/C, TAMD122D, TAMD122P-A, TAMD122P-B, TAMD122P-C
-   Volvo Penta TAD120AHC, TAD120BHC, TAD120CHC
-   Volvo Penta TWD1210G, TWD1210P, TWD1210V
-   Volvo Penta TWD1211V, TWD1211P, TWD1211G
-   Volvo Penta TAD1230G, TAD1230V
-   Volvo Penta TAMD120A, TAMD120B
-   Volvo Penta TID120FG, TID120HPP
-   Volvo Penta TMD120A, TMD120B
-   Volvo Penta TWD1230ME, TWD1230VE
-   Volvo Penta D120A
-   Volvo Penta MD120A
-   Volvo Penta TAD121CHC
-   Volvo Penta TAD1231GE
-   Volvo Penta TAD1232GE
-   Volvo Penta TAMD121D
-   Volvo Penta TD1210G
-   Volvo Penta TMD121C
-   Volvo Penta TMD122A
-   Volvo Penta TWD1231VE

## Details

- **Price:** 73.08 AUD
- **Vendor:** Volvo Penta
- **Type:** Engine Components
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 73.08 AUD | In stock |

## Images

- 423403 Case | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/423403-case-genuine-volvo-penta)
> Updated: 2026-09-07