35866340Q03 Mercury MerCruiser 866340Q03 Oil Filter | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver MerCruiser Oil Filter - Part Number: 35-866340Q03

A genuine Quicksilver spin-on oil filter for MerCruiser sterndrive and inboard petrol engines. This standard MerCruiser oil filter is used on many GM-based MCM and MIE engines, helping remove contaminants from the engine oil and protect internal engine components during service intervals.

⚙️ Key Features

• Genuine Quicksilver OEM spin-on oil filter

• Correct Mercury part number 35-866340Q03

• Fits many MerCruiser GM-based MCM / MIE petrol engines

• Also used on Mercury 4.5L and 6.2L petrol engines

• Marine-grade filter construction for corrosion resistance and reliable oil filtration

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 35-866340Q03 → Supersedes 35-866340Q02

• 35-866340Q03 → Supersedes 35-866340K01

• 866340K01 earlier OEM oil filter reference

OEM / Related Numbers:

• 35-866340Q03

• 866340Q03

• 35866340Q03

• 35-866340Q02

• 866340Q02

• 35-866340K01

• 866340K01

Aftermarket / Verified Equivalents:

• Sierra: 18-7824

• NAPA: 1069

• WIX: 51069

🚤 Compatibility

Commonly used on:

• MerCruiser MCM / MIE GM-based petrol engines using standard spin-on oil filter 35-866340Q03

Typically suits:

• Engine models:

• MerCruiser 3.0L GM 181 I/L4 petrol engines using 35-866340Q03

• MerCruiser 3.0L MPI EC - serial 1A072812 and up

• MerCruiser 4.3L MPI Alpha / Bravo engines using remote oil filter applications

• MerCruiser 5.0L Carb Alpha / Bravo petrol engines

• MerCruiser 5.0L MPI Alpha / Bravo petrol engines

• MerCruiser 5.7L Carb Alpha / Bravo petrol engines

• MerCruiser 5.7L EFI / MPI GM 350 V8 petrol engines

• MerCruiser 350 MAG MPI Alpha / Bravo petrol engines

• MerCruiser 350 MAG MPI Horizon Alpha / Bravo petrol engines

• MerCruiser 377 MAG MPI Bravo petrol engines

• MerCruiser MX 6.2L MPI Bravo petrol engines

• MerCruiser MX 6.2L MPI MIE petrol engines

• MerCruiser 7.4L / 454 MAG MPI petrol engines

• MerCruiser 496 MAG / 8.1L petrol engines

• MerCruiser 8.1L MIE petrol engines

• MerCruiser 8.2L petrol engines where 35-866340Q03 is specified

• Mercury 4.5L petrol engines - serial 2A456613 and up

• Mercury 6.2L petrol engines - serial 2A456613 and up

• Engine Type: MerCruiser GM-based petrol sterndrive / inboard engines

• System Type: Engine lubrication / spin-on oil filter

• Application Note: Not used on V6 applications that require the shorter engine-block-mounted V6 oil filter

🔌 Function

The oil filter removes fine contaminants and wear particles from the engine oil before the oil circulates through bearings, camshaft surfaces and other lubricated internal components.

Common signs of failure:

• Dirty or contaminated engine oil

• Oil pressure fluctuation

• Oil seepage around the filter gasket

• Corroded or overdue filter canister

• Extended service interval or contaminated oil after storage

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging