# 948888 O-Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta o-ring for the servo pump drive on engines built without an air compressor, weighing 0.014 kg and listed for 39 applications across the D engine family.

## 🚤 Compatibility

-   **Engine Family:** D
-   **HP Range:** 300-480 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   For the servo pump drive where no air compressor is fitted
-   0.014 kg
-   39 applications across the D family
-   Quantity varies by assembly, most commonly one

## 🔌 Function

Seals a static joint between two machined faces or into a groove, holding pressure once the assembly is pulled together.

## ⚠️ Common Signs of Failure

-   Weeping or dripping from the joint the ring seals
-   Ring gone hard, squared off or taken a permanent set
-   Cracking or splitting on the ring surface
-   Nipped or trapped ring, showing a witness mark where it was pinched on assembly

## 🛠️ Service Notes

-   Check whether your engine carries an air compressor before ordering - that is the whole distinction on this row
-   Lubricate the ring and its groove before assembly so it is not nipped as the joint pulls together

## 🔄 Supersession & Cross Reference

### Aftermarket / Verified Equivalents

-   SLP: OR-888

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-300A-G, D6-340A-G, D6-380A-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-300D-G, D6-340D-G, D6-380D-G, D6-440D-G, D6-480D-G, D6-400A-G, D6-440A-G, D6-300I-G
-   Volvo Penta D13C3-B MH, D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-A MP, D13B-H MP, D13B-G MP, D13B-K MP, D13B-B MP, D13B-D MP, D13B-J MP, D13B-C MP, D13C5-B MP, D13C6-A MP, D13C5-A MP
-   Volvo Penta D8A2-A MP, D8A5-A MH, D8A6-A MH, D8A4-A MP, D8A1-A MP, D8A3-A MP

## Details

- **Price:** 25.55 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 25.55 AUD | In stock |

## Images

- 948888 O-Ring | Genuine Volvo Penta Part
- 948888 O-Ring | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/948888-o-ring-genuine-volvo-penta)
> Updated: 2026-09-19