55100-87J50-0EP Suzuki DF40 & DF50 Long Shaft Gearcase Housing | Genuine Used Part
55100-87J50-0EP Suzuki DF40 & DF50 Long Shaft Gearcase Housing | Genuine Used Part
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🔧 Product Description
Genuine Suzuki DF40 / DF50 Shadow Black 20-Inch Gearcase Housing - Current Part Number: 55100-87J50-0EP
A genuine Suzuki Shadow Black gearcase housing for original-generation DF40 and DF50 four-stroke outboards. 55100-87J50-0EP is the gearcase housing number and does not by itself include gears, shafts, bearing carrier or water-pump components. It is the latest documented housing in a long 87J revision chain.
⚙️ Key Features
- Genuine Suzuki OEM gearcase housing
- Current number 55100-87J50-0EP
- 20-inch long-shaft configuration
- Standard rotation DF40 / DF50 family
- Shadow Black finish
🚤 Compatibility
- Suzuki DF40 original-generation four-stroke
- Suzuki DF50 original-generation four-stroke
- 20-inch standard-rotation applications
- Primary model-year range: approximately 1999-2010
- 55100-87J24 is specifically documented on DF40 / DF50 20-inch standard-rotation units
🔌 Function
The housing supports the gears, shafts, bearing carrier and water pump and forms the hydrodynamic lower body beneath the driveshaft housing.
⚠️ Common Signs of Failure
- Bearing bores are worn
- Carrier threads are corroded
- Housing is cracked
- Skeg or cavitation plate is damaged
- Oil passages or drain threads are damaged
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 55100-87J50-0EP supersedes or is equal to 55100-87J40-0EP
- Earlier related revisions: 55100-87J24, 87J23, 87J22, 87J21, 87J20, 87J10 and 87J01, all in 0EP finish
- The revision chain identifies the bare case assembly rather than a complete lower unit
OEM / Related Numbers
- 55100-87J50-0EP
- 55100-87J40-0EP
- 55100-87J24-0EP
- 55100-87J23-0EP
- 55100-87J22-0EP
- 55100-87J21-0EP
- 55100-87J20-0EP
- 55100-87J10-0EP
- 55100-87J01-0EP
Aftermarket / Verified Equivalents
- No verified direct aftermarket bare housing
- Used genuine Suzuki 87J-series housings
- Specialist remanufactured complete DF40 / DF50 lower units
- Aftermarket gear set 57300-88810 and seal / water-pump service components where catalogued
📦 Condition
- Genuine used part
- Internal gears, shafts and water-pump components are included only where shown
- 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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