# 37850-99E03 Suzuki Trim Switch | Genuine Used Part

🔧 Product Description

  

Genuine Suzuki Power Trim and Tilt Switch Assembly - Part Number: 37850-99E03

  

A genuine Suzuki engine-side power trim and tilt switch used on selected Suzuki DF four-stroke outboards. This switch allows trim/tilt operation from the engine cowling area and supersedes into the later 37850-99E05 PTT switch assembly family.

  

⚙️ Key Features

  

• Genuine Suzuki trim switch

• Correct OEM reference 37850-99E03

• Engine-side power trim and tilt switch

• Supersedes into 37850-99E05 switch assembly family

• Must be matched by plug, switch shape and engine control-unit diagram

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 37850-99E03 to 37850-99E04 to 37850-99E05

  

OEM / Related Numbers:

  

• 37850-99E03

• 37850-99E04

• 37850-99E05

• Switch assy., PTT

• Power trim and tilt switch

• Engine-side trim switch

  

Aftermarket / Verified Equivalents:

  

• Replacement PTT switches sold against 37850-99E03 / 37850-99E05

  

🚤 Compatibility

  

Commonly used on:

  

• Suzuki DF60 / DF70 four-stroke outboards

• Engine-side trim switch positions in Suzuki ECU / control harness diagrams

  

Typically suits:

  

• Suzuki DF60 60HP four-stroke, including 2007 DF60 applications

• Suzuki DF70 70HP four-stroke, including 2000 DF70 applications

• Suzuki DF70 70HP four-stroke, including 2004 DF70 applications

• Suzuki DF60 / DF70 engine control unit diagrams using 37850-99E03

• HP Range: 60HP / 70HP confirmed family applications

• Engine Type: Suzuki four-stroke outboard with power trim and tilt

• Year Range: 2000-2007 confirmed listings; model-diagram controlled outside those years

• Serial Note: Confirm by model year, engine-side trim switch connector and ECU/control diagram before installation.

  

🔌 Function

  

The trim switch sends up/down commands to the trim relay circuit, allowing the operator to raise or lower the outboard from the engine side.

  

Common signs of failure:

  

• Trim works from remote control but not from engine switch

• Trim works in only one direction

• Switch feels stuck or loose

• Intermittent trim operation when the switch is pressed

• Water intrusion behind switch

• Corroded terminals

• Trim relay clicks only when harness is moved

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 12.5 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Electronic Components | ECU CDI & Electrical Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12.50 AUD | In stock |

## Images

- 37850-99E03 Suzuki Trim Switch | Genuine Used Part
- 37850-99E03 Suzuki Trim Switch | Genuine Used Part
- 37850-99E03 Suzuki Trim Switch | Genuine Used Part
- 37850-99E03 Suzuki Trim Switch | Genuine Used Part
- 37850-99E03 Suzuki Trim Switch | Genuine Used Part
- 37850-99E03 Suzuki Trim Switch | Genuine Used Part
- 37850-99E03 Suzuki Trim Switch | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/37850-99e03-suzuki-trim-switch-genuine-used-part)
> Updated: 2026-06-29