Throttle Position Sensor / TPS for Mercury & Mariner Outboards

Marine-grade aftermarket Throttle Position Sensor (TPS) for selected Mercury and Mariner 115 HP EFI 4-stroke outboards.

The sensor monitors throttle position and sends this information to the engine management system for correct fuel and ignition control.

Replaces Mercury 880884T.

Fitment

Fits selected:

Mercury / Mariner 115 HP EFI 4-Stroke

115 HP EFI
4 Stroke
Serial 0T178500 – 0T800999
Serial 0T801000 – 1B226999
Serial 1B227000 – 1B366822

Overall application range: 0T178500 – 1B366822

Mercury parts catalogues identify 880884T as the Throttle Sensor fitted to the intake assembly on these engines.

Replaces Mercury Part Number

880884T

Yamaha Cross References

This sensor is also cross-referenced to the Yamaha F115 throttle sensor family:

68V-85885-00
68V-85885-00-00
68V-85885-10
68V-85885-10-00
68V-85885-11-00

Aftermarket Cross Reference

Recmar REC68V-85885-00

Product Function

The Throttle Position Sensor (TPS) monitors the position of the throttle and sends this information to the ECU / engine management system.

A faulty TPS may contribute to:

Poor throttle response
Hesitation during acceleration
Rough or unstable running
Incorrect idle
Engine warning / fault indication
Reduced engine performance

These symptoms can also be caused by other fuel, air, ignition, wiring or sensor faults, so correct diagnosis is recommended before replacing the sensor.

Product Features

Throttle Position Sensor
TPS / Throttle Sensor
Mercury / Mariner
115 HP EFI
4 Stroke
Serial 0T178500–1B366822
EFI engine management sensor
Marine-grade aftermarket replacement
New

What's Included

1 × Throttle Position Sensor

⚠️ Important Compatibility Warning

Please do not order this sensor by appearance or horsepower alone.

This listing is for selected Mercury / Mariner 115 HP EFI 4-stroke engines using 880884T.

Before ordering, please check:

Engine horsepower
Complete serial number
Original sensor part number
Electrical connector

The safest compatibility check is that your engine specifies:

Mercury 880884T

or the corresponding Yamaha 68V-85885-00 sensor family.

If the part looks the same as yours, this does not always mean it is the correct part for your outboard.

If unsure, send SSI Marine your engine horsepower + complete serial number and we will help check compatibility.

Buyer Responsibility

It is the buyer's responsibility to confirm compatibility before purchasing.

OEM part numbers are used for identification and reference purposes only.

Correct diagnosis is recommended before replacing a throttle position sensor, as similar symptoms can be caused by throttle-body adjustment, wiring, ECU, fuel-system or other sensor faults.

Why Buy From SSI Marine?

Marine-grade aftermarket & OEM-spec parts
Workshop-tested products
Same-day dispatch before 1 PM Monday–Friday
Royal Mail Tracked 24
UK stock
Collection from Leigh, Greater Manchester
Technical support from experienced outboard specialists

115 HP Mercury Mariner Outboard 4 Stroke EFI Throttle Position Sensor 880884T