38890A1 55601A2 Mercury Starter Motor | Genuine Used Part
38890A1 55601A2 Mercury Starter Motor | Genuine Used Part
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🔧 Product Description
Genuine Mercury Starter Motor - Part Numbers: 50-38890A1 / 50-55601A2
A genuine Mercury starter motor used on older Mercury 35HP, 40HP and 50HP two-stroke outboards. This 12-volt, 9-tooth, counter-clockwise starter family is commonly used on classic Mercury outboard electric-start systems from the mid-1960s through early-1980s applications.
⚙️ Key Features
- Genuine Mercury starter motor
- Correct OEM references 50-38890A1 and 50-55601A2
- 12-volt starter motor
- 9-tooth drive gear
- Used on older Mercury 35HP, 40HP and 50HP two-stroke outboards
🚤 Compatibility
Commonly used on
- Mercury two-stroke electric-start outboards
- Older 9-tooth Mercury starter systems used on 35HP, 40HP and 50HP engines
Typically suits
- Engine models:
- Mercury 35HP two-stroke - approximately 1965-1969
- Mercury 40HP two-stroke - approximately 1970-1977
- Mercury 40E two-stroke - approximately 1978-1983
- Mercury 40EH two-stroke - approximately 1979-1983
- Mercury 40EL two-stroke - approximately 1978-1983
- Mercury 40ELH two-stroke - approximately 1979-1983
- Mercury 50HP two-stroke - approximately 1965-1975
- Mercury 50HP classic electric-start applications using 50-38890A1 / 50-55601A2 starter systems
- HP Range: commonly 35HP - 50HP
- Engine Type: Mercury two-stroke outboard
- Year Range: approximately 1965-1983
- Starter Type: 12V, 9-tooth, counter-clockwise rotation
🔌 Function
The starter motor converts battery power into cranking force and engages the flywheel ring gear so the engine can start from the electric-start circuit.
⚠️ Common Signs of Failure
- Starter clicks but does not crank
- Slow cranking with a charged battery
- Starter spins without engaging the flywheel
- Grinding noise during starter engagement
- Starter motor overheating
- Worn brushes, bushings, armature or drive gear
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 50-55601A2 later Mercury starter motor reference
- 50-38890A1 related Mercury starter motor reference
- 50-38890 earlier Mercury starter reference
- 50-37345 related earlier Mercury starter reference
- 50-32411 related earlier Mercury starter reference
- 50-32403 related earlier Mercury starter reference
- 50-30829 earlier Mercury starter reference
OEM / Related Numbers
- 50-55601A2
- 55601A2
- 50-55601
- 55601
- 50-55801A
- 55801A
- 50-38890A1
- 38890A1
- 50-38890
- 38890
- 50-37345
- 37345
- 50-32411
- 32411
- 50-32403
- 32403
- 50-30829
- 30829
Aftermarket / Verified Equivalents
- Sierra: 18-5604 style replacement
- ARCO: 5366 style replacement
- DB Electrical: 410-21000
- WAI / MES style replacement: 5400N
- Aftermarket reference: 50-30829 / 50-38890A1 / 50-55601A2 starter replacement
📦 Condition
- Genuine used part
- Removed from running engine where applicable
- In good working condition unless otherwise stated
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 the condition you received it for a refund or exchange. 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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