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Sierra 18-7700 Throttle Position Sensor for MerCruiser Marine Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

118-7700
9 reviews
Sale Price

$109.26

2 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-7700 Throttle Position Sensor is a critical component for electronically controlled marine engines. A failed throttle position sensor (TPS) can cause an engine to lose power and efficiency. This precision-engineered sensor monitors throttle plate position and sends accurate voltage signals to the engine control module, ensuring optimal fuel delivery and engine performance.

Key Features:

  • Engineered to be compatible with GM Big Block V8 based marine engines
  • Meets or exceeds MerCruiser and Volvo Penta specifications
  • Compatible with GM Big Block based marine engines that use an ECM 555
  • Three-wire sensor design with D-shaped drive and O-ring seal
  • Direct OEM replacement for easy installation

Applications:

Fits MCM/MIE 4.3L MPI, 5.0L MPI, MX6.2L MPI w/ECM 555 and 350 Mag MPI, Black Scorpion Tow Sports, 377 Scorpion Tow Sports, 7.4L MPI(L29) and MCM 496 Mag and HO and MIE 8.1S and HO

Replaces OEM Part Numbers:

  • MerCruiser: 8M0097035, 853678T, 853678, 802623
  • Volvo Penta: 3857487
  • Crusader: R020041
  • Indmar: 55-6103
  • OMC: 3857487
  • Marine Power: 0730-382, 462856

Sierra Marine is known for manufacturing high-quality aftermarket engine parts that deliver reliable performance and durability in demanding marine environments.

Easy to use and good pricing.

Fast and friendly website experience with excellent prices!

Ordering process was straightforward. Shipping was prompt. Product was good. Quality at a good price. I would do business with them again.

2x the system hung up after a long wait

I found the engine compartment heater I needed for my 20' boat at the best price at Boatplicity. Fast, convenient and good price.

Great. This is my 3rd order and has always been hassle free

Quick easy and affordable love the website found what I was looking for and what I wanted

Received in timely manner as ordered. The product is as described. The cheapest Monroe reflex shocks for my Jeep in the entire internet. Very pleased. Many thanks.

All good!

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