# 468449 Valve Seat | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta valve seat from the Engine group, 0.20 mm oversize, weighing 0.070 kg and listed for 63 applications across TD, TWD, TMD, TID, D and MD series engines. It supersedes part number 423205.

## 🚤 Compatibility

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

Full model list at the end of this description.

## ⚙️ Key Features

-   0.20 mm oversize
-   0.070 kg
-   63 applications across six engine series
-   Supersedes 423205

## 🔌 Function

Provides the hardened valve seating face where the head bore has been machined 0.20 mm oversize.

## ⚠️ Common Signs of Failure

-   Seat loose in a bore that has already been recut
-   Compression loss on one cylinder
-   Seat burnt or pocketed
-   Clearances tightening between services
-   Coolant staining around the seat bore on strip-down

## 🛠️ Service Notes

-   Standard size is 468448, and the two are only 4.5 grams apart, so measure the head bore and order by size
-   The head bore has to be machined to suit before an oversize seat is fitted, so this is a workshop operation

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   468449 → Supersedes 423205

### OEM / Related Numbers

-   423205 earlier number superseded by this part

## 📦 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:** 126.71 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 126.71 AUD | In stock |

## Images

- 468449 Valve Seat | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/468449-valve-seat-genuine-volvo-penta)
> Updated: 2026-08-22