# 8596021 Mercury Dipstick | Genuine Used Part

## 🔧 Product Description

**Genuine Mercury Mariner 75HP-115HP Four-Stroke Engine-Oil Dipstick - Part Number: 8596021**

A genuine used Mercury / Mariner engine-oil dipstick for Yamaha-derived 75HP to 115HP four-stroke outboard motors.

The calibrated dipstick cross-references Yamaha oil-level plug 68V-15362-00-00 and is used on later serial-number engines within the shared Mercury / Yamaha four-stroke family.

## ⚙️ Key Features

-   Genuine used Mercury Marine dipstick
-   Correct OEM part number 8596021
-   Yamaha equivalent 68V-15362-00-00
-   Calibrated for the matching exhaust-plate and oil-pan assembly
-   Used on selected carburetted and EFI four-strokes

## 🚤 Compatibility

### Compatible Mercury / Mariner serial groups include

-   75HP carburetted: 0T178500 and above within 0G960500-1B226999 catalogues
-   75HP EFI: 1B172291-1B366822
-   80HP EFI: 1B227000-1B366822
-   90HP carburetted: 0T178500 and above within 0G960500-1B226999 catalogues
-   90HP EFI: 1B172291-1B366822
-   100HP EFI: 1B227000-1B366822
-   115HP EFI: 0T178500-1B366822
-   Yamaha F75, F80, F90, F100 and F115 model groups using 68V-15362-00-00
-   Engine Type: Yamaha-derived inline four-cylinder four-stroke outboard
-   Production Range: Approximately 2000-2006 for Mercury applications

## 🔌 Function

The dipstick provides calibrated minimum and maximum marks for checking the engine-oil level.

## ⚠️ Common Signs of Failure

-   Dipstick is bent or broken
-   Markings are unreadable
-   Cap or seal leaks
-   Dipstick does not seat
-   Incorrect dipstick gives a false oil-level reading
-   Handle is cracked
-   Oil leaks around the dipstick opening

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   8596021 later dipstick reference
-   Earlier Mercury 859602 is used on selected engines below serial 0T178500
-   Yamaha 68V-15362-00-00 is the verified other-brand equivalent

### OEM / Related Numbers

-   8596021
-   859602
-   Yamaha 68V-15362-00-00
-   Related dipstick seal / O-ring
-   Related exhaust plate, oil pan and guide tube
-   8043071 related oil-pressure switch

### Aftermarket / Verified Equivalents

-   Yamaha: 68V-15362-00-00 - direct OEM equivalent
-   No verified aftermarket equivalent

## 📦 Condition

-   Genuine used part
-   Removed from running engine where applicable
-   In good working condition unless otherwise stated

## Details

- **Price:** 28.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Type:** Oils & Chemicals
- **Tags:** Sawley’s AAM Used Parts – Oil Pumps & Components | Engine Lubrication Systems

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 28.00 AUD | In stock |

## Images

- 8596021 Mercury Dipstick | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/8596021-mercury-dipstick-genuine-used-part)
> Updated: 2026-09-06