# 423011 Valve Seat | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta valve seat in the standard size, marked Std D, from the Engine group, weighing 0.043 kg and listed for 71 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

-   Standard size, marked Std D
-   0.043 kg
-   71 applications across six engine series

## 🔌 Function

Provides the hardened sealing face the valve closes against, and carries heat out of the valve head into the cylinder head.

## ⚠️ Common Signs of Failure

-   Compression low, with hard starting or a hiss at the intake or exhaust
-   Seating face burnt, pitted or blue
-   Valve recession, with clearances closing up
-   Seat loose or dropped in its bore
-   Uneven contact band on the valve face

## 🛠️ Service Notes

-   Marked Std D as the standard size, so check the head has not already been machined for an oversize seat
-   Cut and lap the seat to the valve after fitting, then reset the clearances
-   Sealing ring 423326, at 28.5 mm inside diameter, is listed against the same 71 applications

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TID121KG, TID121KGP, TID121KP, TID121KPB, TID121L, TID121LG, TID121LGP, TID121LP, TID121LPB, TID121FG, TID121K, TID121K-87
-   Volvo Penta TD120C, TD120A, TD120G, TD120GG PP, TD120HP, TD120HPP, TD120GG, TD120AHC, TD120ARC, TD120BHC, TD120BRC
-   Volvo Penta TD121G-87, TD121GGP-87, TD121G, TD121GG, TD121GGP, TD121GP, TD121GPB, 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 TAD1241VE, TAD1241-42VE
-   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 TAD1242VE
-   Volvo Penta TAMD121D
-   Volvo Penta TD1210G
-   Volvo Penta TMD121C
-   Volvo Penta TMD122A
-   Volvo Penta TWD1231VE
-   Volvo Penta TWD1240VE

## Details

- **Price:** 97.95 AUD
- **Vendor:** Volvo Penta
- **Type:** Engine Components
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 97.95 AUD | In stock |

## Images

- 423011 Valve Seat | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/423011-valve-seat-genuine-volvo-penta)
> Updated: 2026-10-10