# 20381352 Sealing Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta sealing ring used with the earlier coolant-pump connection pipe 8131290 on selected TAD16 engines. It must not be confused with sealing ring 21423788, which is used with the later pipe 21420336.

## 🚤 Compatibility

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

Full model list at the end of this description.

## ⚙️ Key Features

-   Coolant-resistant sealing ring for connection pipe 8131290
-   Confirmed in TAD16 circulation-pump arrangements
-   Seals the rigid pipe to the coolant-pump or housing connection
-   Not interchangeable with later sealing ring 21423788
-   Replace whenever the earlier connection pipe is removed
-   Engine type: Volvo Penta 16-litre industrial diesel

## 🔌 Function

Seals the coolant connection pipe to prevent pressure loss and external coolant leakage.

## ⚠️ Common Signs of Failure

-   Coolant seepage around the connection pipe
-   Gradual coolant loss
-   Seal flattened, split or heat-hardened
-   Leakage caused by fitting the later seal to the earlier pipe

## 🛠️ Service Notes

-   Always fit a new sealing ring rather than reusing the old one — a ring that has been compressed once has taken a set and will not seal reliably a second time
-   Clean the groove or seat and check it for scoring, corrosion and old sealant before fitting; a mark across the sealing face will leak however good the ring is
-   Ease the ring into place without stretching, twisting or dragging it over sharp edges or threads, and check it is seated squarely all the way round before closing the joint
-   Do not add sealant or jointing compound unless the workshop manual for your engine calls for it, and tighten the joint or union to the figure given in that manual
-   Check the joint for weeping once the engine has been run up to temperature and allowed to cool, as many sealing rings only show a leak after a heat cycle

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20381352 - seal for earlier connection pipe 8131290

### OEM / Related Numbers

-   8131290 - earlier coolant connection pipe
-   21420336 - later connection pipe
-   20451516 - related circulation-pump references
-   21468471 - related circulation-pump references
-   20799996 - related sealing ring

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D16C-A MG, D16C-A MH, D16C-B MH, D16C-C MH, D16C-D MH
-   Volvo Penta TAD1640-42GE-B, TAD1640GE, TAD1640VE-B
-   Volvo Penta TAD1641VE-B, TAD1641GE, TAD1641VE
-   Volvo Penta TAD1642VE-B, TAD1642GE, TAD1642VE
-   Volvo Penta TAD1650VE-B/51VE, TAD1650GE, TAD1650VE
-   Volvo Penta TAD1643VE-B, TAD1643VE
-   Volvo Penta TAD1651GE
-   Volvo Penta TAD1660-62VE
-   Volvo Penta TAD1662VE EU5
-   Volvo Penta TAD1670-72VE
-   Volvo Penta TWD1643GE
-   Volvo Penta TWD1652GE
-   Volvo Penta TWD1653GE
-   Volvo Penta TWD1663GE

## Details

- **Price:** 10.56 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10.56 AUD | In stock |

## Images

- 20381352 Sealing Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20381352-sealing-ring-genuine-volvo-penta)
> Updated: 2026-09-19