# 815573 Cap | Genuine Volvo Penta Part

## 🔧 Product Description

This genuine Volvo Penta cap consolidates nine earlier numbers — 20943820, 6607293, 6607310, 804774, 809437, 809431, 809452, 807583 and 809438 — several of which were catalogued only as spare parts and one as a cover.

## 🚤 Compatibility

-   **Engine Family:** MD, TMD, D, TD, AQD, AD, AQAD, TAMD, THAMD, BB, DP, DPX, SP

Full model list at the end of this description.

## ⚙️ Key Features

-   0.113 kg
-   89 applications across MD, TMD, D, TD, AQD and AD series engines
-   Consolidates nine earlier numbers including 20943820, 804774 and 809438

## 🔌 Function

Closes off its opening and holds the cooling system sealed at that point.

## ⚠️ Common Signs of Failure

-   Coolant seeping or steaming from around the cap
-   Sealing rubber perished, torn or gone hard
-   Cap will not pull up tight or springs back
-   Corrosion on the sealing land or the cap body

## 🛠️ Service Notes

-   Check availability before planning the job around it
-   Because nine older numbers all lead here, confirm the fit against your own engine rather than assuming from an old parts list

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   815573 → Supersedes 20943820

### OEM / Related Numbers

-   6607293 earlier number superseded by this part
-   6607310 earlier number superseded by this part
-   804774 earlier number superseded by this part
-   809437 earlier number superseded by this part
-   809431 earlier number superseded by this part
-   809452 earlier number superseded by this part
-   807583 earlier number superseded by this part
-   809438 earlier number superseded by this part
-   20943820 earlier number superseded by this part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 AD41P-B, AD41B, AD41, AD41A, AD41BJ
-   Volvo Penta AQD70B, AQD70BL, AQD70CL, AQD70D, AQD70C
-   Volvo Penta D7A-B TA, D7A-T, D7A-TA, D7C-B TA, D7C-TA
-   Volvo Penta DP-A, DP-A1, DP-B, DP-B1
-   Volvo Penta TAMD70B, TAMD70E, TAMD70C, TAMD70D
-   Volvo Penta D5A-B TA, D5A-T, D5A-TA
-   Volvo Penta MD100A, MD100B, MD100B-CC
-   Volvo Penta MD70B, MD70BK, MD70C
-   Volvo Penta TAMD41B, TAMD41M-A, TAMD41A
-   Volvo Penta TAMD60A, TAMD60B, TAMD60C
-   Volvo Penta TMD40A, TMD40B, TMD40C
-   Volvo Penta AD31, AD31B
-   Volvo Penta AQAD40B, AQAD40A
-   Volvo Penta D41, D41B
-   Volvo Penta D70CHC, D70CRC
-   Volvo Penta MD2010, MD2010B
-   Volvo Penta 740A, 290A
-   Volvo Penta SP-A, SP-A1
-   Volvo Penta TAMD120A, TAMD120B
-   Volvo Penta TAMD31A, TAMD31B
-   Volvo Penta TAMD40A, TAMD40B
-   Volvo Penta TD70CHC, TD70CRC
-   Volvo Penta THAMD70C, THAMD70B
-   Volvo Penta TMD100A, TMD100C
-   Volvo Penta TMD120A, TMD120B
-   Volvo Penta TMD31A, TMD31B
-   Volvo Penta TMD41A, TMD41B
-   Volvo Penta TMD70C, TMD70B
-   Volvo Penta AD30A
-   Volvo Penta AD40B
-   Volvo Penta AQAD30A
-   Volvo Penta AQD40A
-   Volvo Penta BB740A
-   Volvo Penta DPX
-   Volvo Penta MD120A
-   Volvo Penta MD30A
-   Volvo Penta MD31A
-   Volvo Penta MD40A
-   Volvo Penta TAMD121D
-   Volvo Penta TAMD30A
-   Volvo Penta TMD121C
-   Volvo Penta TMD30A

## Details

- **Price:** 119.04 AUD
- **Vendor:** Volvo Penta
- **Type:** Cooling System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 119.04 AUD | In stock |

## Images

- 815573 Cap | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/815573-cap-genuine-volvo-penta)
> Updated: 2026-10-11