# 90196 Mercury MerCruiser 25 90196 8M0204673 25 8M024673 O Ring .921 x .139 | Genuine Quicksilver OEM Part

A reliable seal is the difference between a well-running engine and a frustrating day on the water. The Mercury O-Ring (25-8M0204673) is a small but critical component designed to keep your engine's systems tight, leak-free, and operating at peak performance. Built from high-quality marine-grade rubber, this O-ring resists fuel, oil, and environmental wear, ensuring a long service life in demanding conditions.

A proper seal keeps fluid where it belongs, preventing unnecessary damage to internal components. Designed specifically for Mercury marine engines, this O-ring fits seamlessly, making installation straightforward and hassle-free. Whether you're replacing a worn-out seal or handling routine maintenance, this part ensures that everything stays secure and running smoothly.

## Details

- **Price:** 6.98 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 6.98 AUD | In stock |

## Images

- 90196 Mercury MerCruiser 25 90196 8M0204673 25 8M024673 O Ring .921 x .139 | Genuine Quicksilver OEM Part
- 90196 Mercury MerCruiser 25 90196 8M0204673 25 8M024673 O Ring .921 x .139 | Genuine Quicksilver OEM Part
- 90196 Mercury MerCruiser 25 90196 8M0204673 25 8M024673 O Ring .921 x .139 | Genuine Quicksilver OEM Part
- 90196 Mercury MerCruiser 25 90196 8M0204673 25 8M024673 O Ring .921 x .139 | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/90196-mercury-mercruiser-25-90196-8m0204673-25-8m024673-o-ring-921-x-139-genuine-quicksilver-oem-part)
> Updated: 2026-05-17