Description
Mercury 8M0214984 Exhaust Temperature Sender 25-300 HP Outboards
Monitor exhaust temperature on compatible Mercury and Mariner outboards with the Mercury 8M0214984 exhaust temperature sender. Produced to meet Mercury Marine original equipment manufacturer specifications, this temperature sensor assembly is designed for select 25-300 HP FourStroke and 2-cycle Mercury and Mariner outboards where this part number is specified.
Key Features
- Genuine Mercury / Quicksilver exhaust temperature sender assembly
- Fits select Mercury and Mariner 25-300 HP outboards where specified
- Compatible with select FourStroke and 2-cycle 3-cylinder and 4-cylinder applications
- Used on select EFI, carbureted, DFI, Jet, ProMax, Racing, SeaPro, and Formula outboard models
- Helps provide exhaust temperature data for compatible engine systems
- Easy to install with common shop tools where service access allows
- Produced to meet Mercury Marine OEM specifications for fit, function, and performance
Fitment / Product Details
- Brand: Mercury / Quicksilver
- Part Number: 8M0214984
- BU Part ID: Not provided
- Product Type: Exhaust Temperature Sender / Temperature Sensor Assembly
- Application: Select Mercury and Mariner 25-300 HP FourStroke and 2-cycle outboards where 8M0214984 is specified
- Engine Types: Select FourStroke and 2-cycle 3-cylinder and 4-cylinder EFI, carbureted, DFI, Jet, ProMax, Racing, SeaPro, and Formula outboards
- HP Range: 25-300 HP
- Serial Ranges: Not provided; verify by engine serial number, parts listing, owner’s manual, or service manual
- Year Range: Not provided; verify by model year, engine serial number, and parts diagram
- UPC: 745061558953 where listed by supporting retail references
- Country of Origin: Not provided
- Prop 65: Not provided in supplied product data; some retail references display a California Prop 65 warning, so confirm compliance requirements before publishing
- Package Dimensions: Not provided
- Package Weight: Not provided
- Supersedes / Replaces: 889575 where specified; some references also associate 858535 and 855967
- Fitment Note: Confirm compatibility by Mercury part number, engine model, horsepower, cylinder count, EFI/carbureted/DFI system type, engine serial number, parts listing, owner’s manual, or service manual before ordering.
What’s Included
- One Mercury 8M0214984 exhaust temperature sender / temperature sensor assembly
- Wiring, connectors, gaskets, seals, mounting hardware, and additional sensors are not included unless specifically stated by the seller
Expanded Fitment
- Select Mercury 25-300 HP FourStroke outboards where 8M0214984 is specified
- Select Mariner 25-300 HP FourStroke outboards where 8M0214984 is specified
- Select Mercury and Mariner 2-cycle 3-cylinder and 4-cylinder outboards where specified
- Select EFI, carbureted, DFI, Jet, ProMax, Racing, SeaPro, and Formula outboard applications
- Not universal; verify exact fitment by engine serial number and parts diagram before ordering
Why You Should Buy
- OEM-spec Mercury sensor assembly for reliable fit when matched to the correct outboard application
- Helps restore proper exhaust temperature sensing on compatible engine systems
- Useful replacement during exhaust temperature fault diagnosis or sensor failure repair
- Correct updated replacement when your parts listing specifies 8M0214984 or superseded 889575
- Built to Mercury Marine specifications for dependable fit, function, and performance
Common Applications
- Mercury exhaust temperature sender replacement
- Mariner temperature sensor assembly replacement
- 25-300 HP outboard sensor service where specified
- EFI, carbureted, DFI, Jet, ProMax, Racing, SeaPro, and Formula outboard diagnostics
- Replacement of failed, damaged, corroded, or fault-triggering exhaust temperature sensors
FAQ
- What is Mercury 8M0214984? It is an exhaust temperature sender, also described as a temperature sensor assembly, for select Mercury and Mariner outboards.
- What HP range does it fit? It fits select 25-300 HP Mercury and Mariner applications where this part number is specified.
- What engine types does it fit? It is listed for select FourStroke and 2-cycle 3-cylinder and 4-cylinder EFI, carbureted, DFI, Jet, ProMax, Racing, SeaPro, and Formula outboards.
- Does this fit every 25-300 HP Mercury outboard? No. The 25-300 HP range is broad. Exact fitment must be confirmed by engine serial number and parts diagram.
- What part number does it replace? Supporting references show 8M0214984 replacing or superseding 889575 where specified. Some references also associate 858535 and 855967.
- Is this easy to install? Product data states it is easy to install with common shop tools, but installation access and procedures vary by engine model.
- How do I confirm fitment? Confirm using Mercury part number 8M0214984, your engine model, horsepower, serial number, parts listing, owner’s manual, or service manual.