Cummins MerCruiser 220HP 4-Stroke Diesel Marine Engine Parts

(0 products)

This page is for Cummins MerCruiser 220HP 4‑Stroke diesel marine engines. It helps you quickly find compatible parts and key service information, including maintenance tips, commonly replaced components, and troubleshooting guidance. You can also browse the main MerCruiser collection. Scroll to the bottom of the page to start browsing parts for this engine, and remember you can use the Filter & Sort controls on the collection page to narrow results by horsepower, year range, and part category.

Browse All MerCruiser Parts

How to Identify Your 220HP Model

Locate the engine identification plate or sticker on the top/front of the engine or near the flywheel housing; it lists the CMD/QSD model and serial number. An additional ECM label may repeat these details.
Read the full model string (e.g., CMD/QSD series plus ES/EI designation). Suffixes can indicate emissions level, induction, and calibration. Always record the serial number for precise parts matching.
Confirm the sterndrive model (e.g., Bravo One/Two/Three). Drive type affects anodes, gear lube service, propellers, and certain seals.
Distinguish platforms: many 220 HP builds align with the 2.8L 4‑cylinder family, while some installations use larger 6‑cylinder platforms de‑rated to similar output. Verify by the model/serial tag.

Platform Overview

CMD/QSD 2.8L (around 200–230 HP calibrations)

Feature	Description
Configuration	4‑cylinder, common‑rail 4‑stroke diesel with raw‑water pump and charge‑air cooling.
Common Models	CMD/QSD 2.8 series (ES/EI calibrations ~200–230 HP); typical Bravo drive installations.
Advantages	Compact packaging, strong mid‑range torque, solid fuel economy for cruising RPM.
Notes	Service‑critical items include raw‑water impeller, anodes, fuel filtration, and belts. Parts can change across serial‑number ranges—confirm before ordering.

CMD/QSD 4.2L (typically 250–320 HP; some applications may be de‑rated)

Feature	Description
Configuration	6‑cylinder, common‑rail 4‑stroke diesel with seawater cooling circuit and aftercooler.
Common Models	CMD/QSD 4.2 series (EI/ES calibrations); widely used with Bravo sterndrives.
Advantages	High torque output and smooth operation for heavier hulls; robust charging capacity.
Notes	Verify serial‑number range for filters, anodes, and cooling parts. Drive‑specific anodes and props vary by Bravo model.

Routine Maintenance & Service Parts

Intervals below are general guidelines. Always follow the official Cummins MerCruiser service manual for your exact model and serial range.

Item	Interval*	Remarks	Parts Link
Engine oil & oil filter	100 hours or annually	Use marine‑grade, diesel‑rated oil per manual; replace the filter at every oil change.	MerCruiser Oil Filters
Fuel filter / water separator	100 hours or annually	Drain bowl frequently; replace element if water or debris is present or on schedule.	MerCruiser Fuel Filters
Raw‑water pump impeller	Every 200 hours or 2 seasons	Inspect annually; replace sooner if overheat alarms or weak discharge are noted.	MerCruiser Impellers
Sterndrive gear lube (Bravo)	100 hours or annually	Check for milkiness or metal; pressure test if water intrusion is suspected.	MerCruiser Service & Maintenance Kits
Anodes (engine & drive)	Inspect monthly; replace at ~50% loss	Match material to water type (zinc/salt, aluminum/brackish, magnesium/fresh).	MerCruiser Anodes
Serpentine / alternator belt	Inspect every 100 hours	Replace if cracked, glazed, or noisy; recheck tension after replacement.	Belts
Air filter / intake screen	Inspect 100–200 hours	Keep intake clear to maintain turbo response and reduce smoke.	MerCruiser Air Filters
Turbocharger & hoses (inspection)	200–300 hours	Check clamps/hoses for leaks; ensure aftercooler and raw‑water flow are clear.	Turbos
Glow plug/starting aid check	Pre‑season or if cold‑start issues	Verify glow plug resistance and relay operation; confirm battery voltage.	Electrical Items

Frequently Used Parts Categories

Routine Service Kits — MerCruiser Service & Maintenance Kits
Cooling System — MerCruiser Impellers
Fuel System — MerCruiser Fuel Filters
Electrical & Charging — MerCruiser Alternators and Electrical Items
Air & Filtration — MerCruiser Air Filters
Corrosion Protection — MerCruiser Anodes
Propellers & Hubs — MerCruiser Propellers

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Overheat alarm / weak discharge	Inspect seawater intake and strainer, impeller condition, thermostat, and anodes obstructing passages.	Water pump impeller kit, thermostat, anodes, intake screen
Poor acceleration or power loss	Check for clogged fuel filter, restricted air filter, loose turbo hoses, or fouled prop.	Fuel filter, air filter, turbo hoses/clamps, injectors
Hard starting / rough idle (especially cold)	Verify battery health/voltage, glow plug relay operation, water in fuel, and low‑pressure lift pump output.	Electrical items, glow plugs, fuel filter/water separator
Excessive smoke (black/white/blue)	Black: intake or over‑prop; White: air in fuel/low compression/cold; Blue: oil consumption.	Air filter, injectors, turbo system, crankcase ventilation components
Gearcase noise / metal in gear lube	Check drive oil level/condition; pressure test for leaks; inspect prop shaft seals after fishing line strikes.	Gear lube, lower unit seal components, propeller hardware

FAQs

Are parts interchangeable across different years or platforms?

Not always. CMD/QSD engines have mid‑series changes by serial range, and sterndrive (Bravo) variations affect anodes, seals, and propellers. Use the full model and serial number to confirm compatibility.

When should the raw‑water impeller be replaced?

As a rule of thumb, replace every 200 hours or two seasons, whichever comes first. Inspect annually or sooner if you see weak discharge, rising temperatures, or debris in the pump housing.

How often should sterndrive gear oil be changed?

Change Bravo drive gear lube every 100 hours or annually. If the oil looks milky or metallic, service immediately and pressure‑test the drive for leaks.

What information do you need to verify part fitment?

Please provide the engine model (CMD/QSD), full serial number, any calibration or suffix codes, and the Bravo drive model. Photos of the nameplate and the part you’re replacing are very helpful.

Ready to find parts by horsepower, year, and model? Browse the main MerCruiser collection to filter down to what fits your Cummins MerCruiser 220HP diesel.

Browse All MerCruiser Parts

If you’re unsure about your model, send us a clear photo of the nameplate and the part you need—we’ll help verify compatibility.