Description
Mercury 8M0050575 Gearcase Cross Spring Pin Retainer
Mercury 8M0050575 is a genuine Mercury gearcase cross spring pin retainer used in compatible Mercury and MerCruiser gearcase assemblies where this exact part number is specified by the factory parts diagram.
Key Features
- Genuine Mercury marine replacement retainer
- Used with compatible gearcase cross spring pin assemblies
- Direct replacement when Mercury part number 8M0050575 is specified
- Designed for exact part-number matching during gearcase service or lower unit reassembly
Fitment / Product Details
- Brand: Mercury
- Part Number: 8M0050575
- Product: Gearcase Cross Spring Pin Retainer
- System: Gearcase / Lower Unit
Gearcase retainer fitment depends on engine or drive model, serial number, gearcase configuration, and the exact assembly being serviced. Verify fitment with your Mercury or MerCruiser serial number and factory parts diagram before ordering.
What’s Included
- Mercury 8M0050575 gearcase cross spring pin retainer
Cross pins, springs, gears, shafts, seals, tools, and other lower unit parts are not included unless listed separately.
Why You Should Buy
Gearcase service requires exact part-number matching for small retaining components. Using the correct Mercury retainer helps support proper lower unit assembly on compatible Mercury marine applications.
Common Applications
Used in compatible Mercury and MerCruiser gearcase assemblies where the factory parts diagram calls for gearcase cross spring pin retainer 8M0050575.
FAQ
Is this a complete gearcase kit?
No. This listing is for the gearcase cross spring pin retainer only.
Does this include the spring or pin?
No. This listing includes the retainer only unless other parts are specifically listed.
Can Wakeboss help confirm fitment?
Yes. Send your engine or drive model and serial number through Ask a Parts Pro and we can help check the correct gearcase diagram.


