Experiencing engine hesitation or reduced power? This authentic Mercury Marine KNOB solves the problem with factory precisionno guessing, no compromises.
Designed and manufactured to Mercury Marine OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 53189 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.
Factory parts exist for a reasonthey work. Part 53189 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.
Compatible Mercury Marine Engines
FITS: 4-45HP MERCURY
- Fits MERCURY 4-45HP engines
- Compatible HP: 4HP, 39HP, 40HP, 45HP
- Covers 18 serial number ranges
- Configurations: Outboard
- OEM genuine Mercury Marine part
COMPLETE SERIAL NUMBER COMPATIBILITY:
4HP Models
- 4HP OUTBOARD (Mercury)
39HP Models
- 39HP OUTBOARD (Mercury): 1655013-2498135
40HP Models
- 40HP OUTBOARD (Mercury): 2498136-3296136, 3296137-4107219, 3305152-7045757, 3306257-8026539, 9000306-90721718
45HP Models
- 45HP OUTBOARD (Mercury): 4107220-5595531, 7045758-7147237, 8026540-8068064, 9072179-9258280
Not sure where to find your engines serial number? View our quick reference guide to locate it on your Mercury Marine engine.
Verification & Support
Want to verify compatibility for part 53189? Use our parts finder tool for instant confirmation. Still have questions? No problemuse the contact buttons at the bottom of this page to reach us by text, call, or email
Four decades of marine parts experience. Great prices, quick deliveryyour parts ship fast.
![Whitecap Door Hinge – 316 Stainless Steel – 1-1/2″ x 3″ [6028]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/whitecap-door-hinge-316-stainless-steel-1-1-2-x-3-6028.webp)
