Fuel Pump/Cooler Kit
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Quicksilver Fuel Pump/Cooler Kit
The Quicksilver 8M0125845 Fuel Pump/Cooler Kit is a genuine OEM Mercury MerCruiser engine part engineered for reliable fuel delivery and cooling performance in compatible GM V-6 and V-8 inboard applications. This kit directly supersedes legacy part numbers 861156A1 and 861156A04, making it the current replacement for those earlier assemblies. It is rated for engines with serial number 0K999999 and lower.
As a genuine OEM component, this kit meets Mercury Marine's original design specifications and is sold and priced individually. Buyers are encouraged to verify fitment using their engine's serial number prior to ordering, as photos and descriptions provided by Mercury may not always reflect the exact configuration for every application.
An aftermarket equivalent is available from Sierra (part number 18-8863). This is a special-order item that transfers from an alternate warehouse and requires additional handling time; once ordered, it is non-returnable.
Key Features
- Genuine OEM Quicksilver/Mercury MerCruiser fuel pump and cooler assembly
- Fits GM V-6 and V-8 engines (S/N 0K999999 and lower)
- Supersedes part numbers 861156A1 and 861156A04
- Aftermarket cross-reference: Sierra 18-8863
- 1-year factory warranty against defects in materials and workmanship
- Sold and priced individually (each)
- Confirm fitment by engine serial number before ordering
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