
- Mercury Serial Number Decoder
- Mercruiser Engine Serial Number Decoder
- Mercruiser Serial Numbers Lookup
- Mercruiser Serial Number Lookup
Can anyone please help me decode this Mercruiser Engine code. DRV: 0B72017 MERCRUISER MC1 1.65:1 OEM Quality Gear Lubes And Greases Available @ iboats.com 'By Bel-Ray Marine Lubricants -- BOAT SPECS -- FORUM GUIDELINES -- Volvo, OMC & Merc Stern Drive Technical Information For DIYers.
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Customers are confident when they buy Mercury®. An investment in unmatched quality, durability, and performance. Browse our engine test data to check out the numbers behind the name.
Mercury Serial Number Decoder
See performance testsYour question may have already been answered in our Frequently Asked Questions on products, warranty, storage and maintenance.
See all FAQsMercury Joystick Piloting - the system that allows you to effortlessly move your Mercury-powered boat in any direction with the push of a joystick. It takes the stress out of docking and maneuvering in tight spaces and less-than-ideal environments. Check out these how-to videos to learn more about this awesome technology.

The major consideration in preparing your outboard for storage is to protect it from rust, corrosion and damage caused by freezing of trapped water.
Outboard Storage tipsRegular engine maintenance is essential to ensuring your engine will provide you with years of trouble-free operation. Mercury Authorised Dealers have the expertise and training to handle all of your engine maintenance service and needs.
Engine MaintenanceUsing the correct grade of fuel helps to ensure optimum performance, economy and reliability from your engine. It is important to follow the recommendations for your model engine as incorrect fuel can damage your engine or affect performance.
Outboard Fuel & Oil RecommendationCheck the history of your Mercury Outboard, Mercury MerCruiser or Mercury Diesel engine. Serial number required.
Check your engine's historyNew Mercury merchandise now available!
Enter the Mercury DockstoreMercruiser Engine Serial Number Decoder
Determine the correct fuel and oil to use in your Mercury MerCruiser sterndrive, inboard or towsport engine.
MerCruiser Fuel & Oil RecommendationCheck the current product safety recalls to see if they affect you.
Mercruiser Serial Numbers Lookup
Current Recalls| ENGINE | HP | DISPLACEMENT LITRE / CID | CYLINDERS | GEAR RATIO | TOOTH COUNT | YEAR |
| 2.5 Litre | 120 | 2.5 / 153 | 4-In-Line | 1.98 | 20-24 | 84-90 |
| 3 Litre | 130 | 3.0 /181 | 4-In-Line | 1.98 | 20-24 | 84-90 |
| 165 | 165 | 3.7 / 224 | 4-In-Line | 1.84 | 17-19 | 84-90 |
| 175 | 175 | 4.3 / 262 | V-6 | 1.84 | 17-19 | 84-90 |
| 180, 470, 190 | 180 | 3.7 / 224 | 4-In-Line | 1.84 | 17-19 | 84-90 |
| 200 | 200 | 5.0 / 305 | V-8 | 1.65 | 24-24 | 84-90 |
| 205 | 205 | 4.3 / 262 | V-6 | 1.84 | 17-19 | 84-90 |
| 230 | 230 | 5.0 / 305 | V-8 | 1.50 | 20-22 | 84-90 |
| 260 | 260 | 5.7 / 350 | V-8 | 1.50 | 20-22 | 84-90 |
| 350 Magnum | 270 | 5.7 / 350 | V-8 | 1.50 | 20-22 | 84-90 |
Mercruiser Serial Number Lookup
MRAC165N - Mercruiser Alpha One Complete Driveshaft Assembly
MRALN - Mercruiser Alpha One Lower Driveshaft Assembly
MRAU165N - Mercruiser Alpha One Upper Driveshaft Assembly