# 21345127 Stud | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta M10 x 1.5, approximately 58 mm mounting stud used in turbocharger or related hot-side engine assemblies on D11 and D13 engines. It is also catalogued in selected D9A2A fuel-system positions, so the exact illustrated location must be checked before use.

## 🚤 Compatibility

-   **Engine Family:** TAD, TWD, D

Full model list at the end of this description.

## ⚙️ Key Features

-   Mounting stud for turbocharger and related hot-side assemblies on D11 and D13 engines
-   0.009 kg
-   Supersedes 20579303
-   Listed for 46 applications across the TAD, TWD and D ranges
-   Also catalogued at selected D9A2A fuel-system positions
-   Quantity varies by assembly, most commonly four

## 🔌 Function

Provides a fixed threaded mounting point in a turbocharger or hot-side assembly, so the component can be fitted and removed without working the casting thread each time.

## ⚠️ Common Signs of Failure

-   Exhaust or boost leak at the joint the stud holds
-   Nut that will not tighten, or turns without gaining load
-   Stud found seized solid, snapped or with the thread wasted by heat
-   Stud found unscrewing from the casting with the nut
-   Casting thread found pulled or corroded on strip-down

## 🛠️ Service Notes

-   It is also catalogued at selected D9A2A fuel-system positions, so check the illustrated location before ordering
-   Hot-side studs seize and snap - use heat and penetrating oil rather than force, and check the casting thread before fitting the new stud

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   21345127 → Supersedes 20579303 → Supersedes 977299

### OEM / Related Numbers

-   20579303 earlier number superseded by this part
-   977299 earlier number superseded by this part

### Aftermarket / Verified Equivalents

-   PAI: 840069

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D9A2J, D9A2G, D9A2L MH, D9A2D, D9A2B, D9A2F, D9A2K, D9A2H, D9A2M MP, D9A2A, D9A2C, D9A2E
-   Volvo Penta TAD1640-42GE-B, TAD1640VE-B, TAD1640-42VE-C
-   Volvo Penta TAD1650VE-B/51VE, TAD1650GE
-   Volvo Penta TWD1683GE-B, TWD1683VE
-   Volvo Penta TAD1140-42VE
-   Volvo Penta TAD1150-52VE
-   Volvo Penta TAD1170-72VE
-   Volvo Penta TAD1180-83VE
-   Volvo Penta TAD1341-43GE-B
-   Volvo Penta TAD1344-45GE-B
-   Volvo Penta TAD1346GE
-   Volvo Penta TAD1351-53VE
-   Volvo Penta TAD1371-75VE
-   Volvo Penta TAD1380-82GE
-   Volvo Penta TAD1381-85VE
-   Volvo Penta TAD1384-85VE-IWP
-   Volvo Penta TAD1641VE-B
-   Volvo Penta TAD1642VE-B
-   Volvo Penta TAD1643VE
-   Volvo Penta TAD1651GE
-   Volvo Penta TAD1660-62VE
-   Volvo Penta TAD1662VE EU5
-   Volvo Penta TAD1670-72VE
-   Volvo Penta TWD1643GE
-   Volvo Penta TWD1644-45GE
-   Volvo Penta TWD1652GE
-   Volvo Penta TWD1653GE
-   Volvo Penta TWD1663GE
-   Volvo Penta TWD1672-1673GE
-   Volvo Penta TWD1682-83GE
-   Volvo Penta TWD1744GE

## Details

- **Price:** 18.64 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 18.64 AUD | In stock |

## Images

- 21345127 Stud | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21345127-stud-genuine-volvo-penta)
> Updated: 2026-09-23