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Mercury Outboard Parts
Shop Mercury outboard motor parts by system, including cooling, fuel delivery, electrical, internal engine components, lower unit parts, and routine service items. Browse OEM and replacement Mercury marine parts to support maintenance, repair, and rebuild projects.
Shop by System
- Complete Powerheads
- Control Cables & Boxes
- Cooling System
- Cowlings & Components
- Electrical System
- Engine Oil
- Engine Rebuild Kits
- Fuel & Carburetion System
- Intake System
- Internal Engine Components
- Lower Unit Components
- Oiling System
- Paints
- Service & Oil Change Kits
- Service Manuals
- Steering Systems
- Throttle Components
- Transom & Midsection
- Trim System
- Wizard Performance Parts
Common Mercury Outboard Model References
This category supports many popular Mercury outboards across a wide horsepower range. Always confirm your model and serial number for best fitment.
- Portable & Midrange: 2.5HP–60HP (2-stroke & FourStroke)
- Performance: Pro XS and EFI platforms (75HP–300HP)
- Direct Injection: Optimax models (75HP–250HP)
- Premium Offshore: Verado models (135HP–400HP)
- Commercial: SeaPro models (commonly 75HP–300HP)
Always confirm your exact horsepower, model year, and serial number to ensure proper part compatibility before ordering.
14586
18-3549
9021-3
99021A16
99021A8
4 Cylinder
100hp Looper
115hp Looper
125hp Looper
834821T
854513T
855746A2
0775466
18-3057
8M0024502
8M0027792
8M0204712
85089
850891
8508910
850892
8508920
850893
89640
892940T01
892940T02
8M0162139
878143T3
Helm to Pump Pressure Hose for Mercury Verado Steering Systems
Designed for Mercury Verado hydraulic power steering systems. The 8M0078213 Power Steering Hose is a 16-foot pressure-side hose that connects the helm to the power steering pump. It is a critical component in maintaining proper hydraulic steering performance.
Compatibility
This hose is used on Mercury Verado outboards equipped with hydraulic power steering systems. It connects the steering helm to the power steering pump and is designed for pressure-side operation.
Application Chart
| Brand | Engine Family | System | Hose Type | Length |
|---|---|---|---|---|
| Mercury | Verado | Power Steering System | Helm to Pump (Pressure Side) | 16 ft |
Always confirm hose routing, length, and compatibility with your specific steering system before ordering.
Part Numbers & Cross References
| Reference Type | Part Number |
|---|---|
| OEM Part | 8M0078213 |
What This Part Is Used For
This hose carries hydraulic fluid from the steering helm to the power steering pump. It is part of the pressure side of the steering system and plays a key role in delivering responsive and controlled steering.
Damaged or leaking hoses can lead to loss of steering performance or hydraulic pressure. Replacing worn hoses helps maintain safe and reliable steering operation.
Related Steering Components
For complete steering system service, this hose is commonly used alongside the following components:
- Mercury Verado Gen B Power Steering Pump 8M0134736P – Drives the hydraulic steering system and supplies pressure.
- Damper Hose Kit 897643A01 – Completes the steering hose system and helps regulate hydraulic pressure.
Frequently Asked Questions
What does this hose connect?
It connects the steering helm to the power steering pump on the pressure side of the system.
What length is this hose?
This hose is 16 feet long.
Is this a pressure or return hose?
This is the pressure-side hose.
When should this hose be replaced?
It should be replaced if there are signs of cracking, leaks, or reduced steering performance.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer or technician? We offer dealer pricing for qualified businesses.
Shipping Policy
- Free shipping on orders over $100 (continental U.S.)
- Ships via UPS, USPS, and FedEx
- 5:30 PM EST daily cutoff
- Typical delivery 1–5 business days
30-Day Return Policy
- Returns within 30 days
- Items must be unused and in original packaging
Contact Us
Phone: 941-721-3000
Searchable Part Numbers
Part Number: 8M0078213
Common Searches: Mercury Verado steering hose, helm to pump hose, power steering pressure hose, 16ft steering hose, Verado hydraulic hose