Thermo Sensor 804295T – Mercury Mariner 75-115 HP

Thermo Sensor 804295T – Mercury Mariner 75-115 HP

Vendor: JLM Marine
Availability: In Stock
Product Type: Sensor
$55.77
$55.77
Subtotal: $55.77

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Thermo Sensor 804295T – Mercury Mariner 75-115 HP

Thermo Sensor 804295T – Mercury Mariner 75-115 HP

$55.77
Descripción

How to Match This Part

This aftermarket thermosensor replaces Mercury / Mariner 804295T. It is a threaded engine-temperature sensor used on supported Mercury and Mariner four-stroke outboards in the 75–115 HP range.

Match this part in this order:
1. Number on the sensor you remove — 804295T
2. Engine family — Mercury / Mariner 4-stroke carbureted or EFI at 75, 80, 90, 100, or 115 HP
3. Serial number on the engine ID plate / midsection mounting bracket against the serial blocks below, then compare the threaded metal tip, hex flats, and black molded connector with the product images

This listing is a brand-new sensor — not a remanufactured unit. Do not order by horsepower alone when a serial-number range is listed.

Compatible Engine Models

Confirm your engine model and serial number on the mounting bracket or cowling identification plate. Use the Mercury Serial Number Guide and Mercury Parts Diagrams to verify the thermosensor callout on your Sensors diagram.

Brand Engine Family Rated HP / Models Serial / Notes
Mercury / Mariner 4-Stroke carbureted 75, 90 (incl. Bodensee 75) 0G960500 THRU 1B226999
Mercury / Mariner 4-Stroke EFI 75 EFI, 90 EFI 1B172291 THRU 1B366822
Mercury / Mariner 4-Stroke EFI 80 EFI, 100 EFI 1B227000 THRU 1B366822
Mercury / Mariner 4-Stroke EFI 115 EFI 0T178500 THRU 1B366822

Always match the number stamped on the sensor you remove. Engines outside these where-used groups use different temperature-sensor part numbers.

Technical Specifications

Specification Value
Part type Thermo / engine temperature sensor (thermosensor)
Primary OEM number replaced 804295T
Application Mercury / Mariner 4-stroke outboard temperature sensing
Mounting form Threaded metal sensing tip with hex wrench flats
Connector Integral black molded electrical connector housing
Condition Brand new (not remanufactured)
Horsepower coverage (verified where-used) 75, 80, 90, 100, 115 HP 4-stroke (serial-limited)

Installation Guide

  1. 1Turn the ignition off and disconnect the negative battery cable before opening the cowling or unplugging sensors.
  2. 2Locate the thermosensor on the powerhead / sensors group per your engine’s parts diagram. Note connector orientation before unplugging.
  3. 3Unplug the harness, then unscrew the old sensor from its boss using the hex flats. Compare the new unit side by side — threaded tip, hex body, and molded connector should match.
  4. 4Thread the new sensor in by hand to avoid cross-threading, then tighten to the torque values in your Mercury / Mariner service manual. Do not overtighten the metal body into the boss.
  5. 5Mate the connector until it latches, route the harness clear of moving parts and heat sources, and reconnect the battery.
  6. 6Start the engine and confirm there are no coolant or sealing leaks at the sensor boss and no temperature-related warning codes after a warm-up cycle.

Note: Professional installation is recommended. OEM diagrams list a separate thermosensor gasket on some engines — replace that gasket only when your diagram and service procedure call for it; it is not included with this sensor.

Troubleshooting & FAQ

How do I confirm this fits my engine? +

Start with the number on the sensor you remove. If it reads 804295T, match your horsepower and serial to the compatibility table and the OEM Sensors parts diagram before ordering.

Is a gasket included? +

No. This listing is the thermosensor only. Some Mercury / Mariner Sensors diagrams show a separate thermosensor gasket as its own part — order that gasket only if your diagram and service procedure require it.

Is this new or remanufactured? +

Brand new. It is not a remanufactured or refurbished sensor.

Is this an OEM or aftermarket part? +

This is an aftermarket replacement manufactured by JLM Marine. It is not a genuine Mercury Marine or Mariner part. OEM numbers are listed only for cross-matching.

Important Notes

  • Verify the OEM number on your original sensor and your engine serial against the compatibility table before ordering.
  • This sensor is sold alone; replace any separate thermosensor gasket only when your OEM diagram and service procedure require it.
  • This is an aftermarket replacement and is not a genuine Mercury Marine / Mariner OEM component.
  • Professional installation is recommended for powerhead temperature sensors on 4-stroke outboards.

Why Choose JLM MARINE?

  • Precision Fit: Cross-referenced to Mercury 804295T for the listed 75–115 HP 4-stroke Mercury / Mariner applications.
  • Quality Control: Each batch is inspected for dimensional consistency and workmanship.
  • Direct from Manufacturer: Aftermarket marine thermosensors engineered for reliable engine-temperature feedback.
Envío

Podemos enviar a prácticamente cualquier dirección del mundo con envío gratuito disponible para la mayoría de las regiones.

Para nuestros clientes típicos de EE. UU. y Canadá , nuestros plazos de envío son los siguientes:

  • Amazon FBA : los pedidos se entregarán dentro de 1-5 días hábiles después de realizar el pedido (durante ciertos períodos especiales como promociones importantes, Navidad, etc., el tiempo de entrega de Amazon FBA puede verse afectado).
  • Envío al almacén de EE. UU .: los pedidos se entregarán dentro de los 7 días posteriores a la realización del pedido.
  • Envío al almacén de China : los pedidos se entregarán aproximadamente 12 días después de realizar el pedido.

Al realizar un pedido, estimaremos las fechas de envío y entrega según la disponibilidad de sus artículos y las opciones de envío que elija. Dependiendo del proveedor de envío que elija, las fechas de envío estimadas podrían aparecer en la página de presupuestos de envío.

Tenga en cuenta también que las tarifas de envío de muchos de los artículos que vendemos se basan en el peso. Puede consultar el peso de cada artículo en su página de detalles. Para reflejar las políticas de las empresas de envío que utilizamos, todos los pesos se redondearán a la libra superior.

Acerca de JLM Marine

Fundada en 2002, JLM Marine se ha consolidado como un fabricante dedicado de piezas marinas de alta calidad, con sede en China. Nuestro compromiso con la excelencia en la fabricación nos ha ganado la confianza de las principales marcas marinas a nivel mundial.

Como proveedor directo, evitamos intermediarios, lo que nos permite ofrecer precios competitivos sin comprometer la calidad. Este enfoque no solo promueve la rentabilidad, sino que también garantiza que nuestros clientes reciban el mejor valor directamente del proveedor.

Estamos entusiasmados de ampliar nuestro alcance a través de canales minoristas, llevando nuestra experiencia y compromiso con la calidad directamente a los propietarios de embarcaciones y entusiastas de todo el mundo.

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