Description
SIERRA Power Tilt & Trim Assembly for Mercury/Mariner 35-220 HP Outboards – 18-6273-1 is a replacement power tilt/trim assembly for select Mercury and Mariner outboards equipped with the Design I three-ram integral trim system. The service assembly replaces older 3-wire side-fill configurations used across many 35-220 HP engines from the mid-1980s through early 1990s.
The replacement configuration may incorporate an updated motor/relay/harness arrangement depending on supply version. Confirm the original Mercury part number, three-ram Design I configuration and mounting arrangement before ordering.
Key Features
- Fits select Mercury/Mariner 35-220 HP outboards
- For Design I integral three-ram power trim/tilt systems
- Replaces Mercury 99186, 99186-1 and 99186T
- Services older three-wire side-fill trim systems
- Complete assembly approach avoids rebuilding individual worn pump/motor components
Specifications
- Sierra part number: 18-6273-1
- Product type: Power tilt & trim assembly
- Application: Mercury / Mariner outboards
- Horsepower range: 35-220 HP select applications
- System: Design I, three-ram integral trim/tilt
- Original configuration: 3-wire, side-fill reservoir
Interchange
- ARCO: 6278
- Mallory: 9-18205, 9-18206, 9-18213
- Mercury Marine: 392-8995, 818186A6, 821821A2, 826729A07, 826729A08, 826729A09, 826729A10, 826729A4, 8M0143217, 99186, 99186-1, 99186T
Reviews
There are no reviews yet.