# 20798506 Hose | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine service component used in the d5a fuel-filter housing and low-pressure fuel supply. It restores the original Volvo Penta dimensions, fit and operating relationship.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D5A-B TA
-   Volvo Penta D5A-T
-   Volvo Penta D5A-TA
-   Volvo Penta D7A-B TA
-   Volvo Penta D7A-T
-   Volvo Penta D7A-TA
-   Volvo Penta D7C-B TA
-   Volvo Penta D7C-TA
-   Volvo Penta MD2010
-   Volvo Penta MD2010B

-   **Engine Family:** D, MD
-   **HP Range:** Approximately 160 HP
-   **Year Range:** Approximately late 1990s-2000s

## ⚙️ Key Features

-   Fuel hose for the D5A filter housing and low-pressure supply
-   0.25 kg
-   10 applications across D and MD-series engines
-   Supersedes 3838576, catalogued earlier as a fuel hose

## 🔌 Function

Carries fuel between the filter housing and its connection in the low-pressure supply circuit, flexing with engine movement without loading the unions.

## ⚠️ Common Signs of Failure

-   Diesel smell, or a wet or sticky film along the hose
-   Hard starting or hunting from air being drawn in at a joint
-   Hose found hard, cracked or swollen and soft
-   Chafe mark or rub-through where the hose passes a bracket
-   Ends found weeping under the clamps or crimps

## 🛠️ Service Notes

-   Renew the sealing washers or clamps at both ends when fitting
-   Route the new hose exactly as the old one ran and clamp it at the original points - a hose that touches the block or a moving part will not last
-   Prime and bleed the fuel system afterwards

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20798506 → Supersedes 3838576

### OEM / Related Numbers

-   3838576 earlier number superseded by this part
-   864315 fuel filter
-   20460417; 21518471; 21264822 feed-pump references
-   20798511 hose clamp
-   20799234 sealing ring
-   21108673 later/related seal
-   20405562 hollow screw
-   20799255 nipple
-   20450912 retaining screw
-   20460063 spring washer
-   947622 pump gasket
-   20412596 hose nipple
-   20460254 bracket

## 📦 Condition

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

## Details

- **Price:** 193.12 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 193.12 AUD | In stock |

## Images

- 20798506 Hose | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20798506-hose-genuine-volvo-penta)
> Updated: 2026-08-22