8M0207773 Mercury MerCruiser Trim Relay Assembly | Genuine Quicksilver OEM Part
8M0207773 Mercury MerCruiser Trim Relay Assembly | Genuine Quicksilver OEM Part
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide
🔧 Product Description
Genuine Quicksilver Power Trim and Tilt Relay Assembly - Part Number: 8M0207773
A genuine Quicksilver 12-volt relay for selected Mercury, Mariner and Force power-trim systems.
The relay switches high electrical current to the trim motor when the operator selects trim up or trim down. Two relays are normally used together to reverse motor polarity and control both directions of movement.
⚙️ Key Features
- Genuine Quicksilver OEM trim relay
- Correct current Mercury part number 8M0207773
- 12-volt, high-current trim-motor switching
- Supersedes 882751 and 828151 relay families
- Sierra, SeaSierra and Volvo Penta cross-references available
🚤 Compatibility
Commonly used on
- Mercury and Mariner non-Verado power-trim systems
- Force outboard trim systems
- Selected sterndrive trim systems using the same relay configuration
Typically suits
- Engine models:
- Mercury / Mariner 20HP through 60HP power-trim outboards
- Mercury / Mariner 65HP through 90HP two-stroke and four-stroke outboards
- Mercury / Mariner 100HP, 115HP and 125HP outboards
- Mercury V6 135HP, 150HP, 175HP and 200HP outboards
- Mercury 225HP, 250HP and 300HP outboards using the 882751 relay family
- Mercury Pro XS and OptiMax non-Verado trim systems
- Force 75HP, 90HP and 120HP outboards - approximately 1994-1999
- Select Volvo Penta and Johnson / Evinrude sterndrive systems using equivalent relay 3854138
- HP Range: 20HP - 300HP
- Engine Type: Mercury / Mariner two-stroke, EFI, DFI and non-Verado four-stroke outboard
- Year Range: Approximately 1994-2023, dependent on trim-system wiring
🔌 Function
The relay uses a low-current helm-switch signal to control the high current required by the hydraulic trim motor.
⚠️ Common Signs of Failure
- Trim operates in one direction only
- Relay clicks but the trim motor does not run
- Trim movement is intermittent
- Relay housing becomes hot or melted
- Corroded terminals cause voltage drop
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 8M0207773 → Supersedes 882751A2
- 882751A2 → Supersedes 882751A1
- 882751A1 → Supersedes 828151A1
- 828151A1 → Supersedes 828151
- 828151 earlier OEM relay reference
OEM / Related Numbers
- 8M0207773
- 882751A2
- 882751A1
- 828151A1
- 828151
- AZ973-1C-12DC4
- Volvo Penta: 3854138
- UPC: 745061525566
Aftermarket / Verified Equivalents
- Sierra: 18-5849
- SeaSierra: 882751A1 replacement relay
- Volvo Penta: 3854138
- Omron-style: AZ973-1C-12DC4
- Aftermarket: 12V 40A SPDT trim relay
📦 Condition
- Genuine Quicksilver part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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