Description
Mercury Gear Lube Pump Adapter 883704K03 (3/8-16 to Metric 8x1.25)
The Mercury Gear Lube Pump Adapter 883704K03 converts gear lube pump tubes with a 3/8-16 threaded end to fit metric 8x1.25 threaded gear lube fill holes. It’s a simple way to use the same pump across multiple gearcases that require metric threading.
Applications
Fits Mercury/Mariner 4/5 HP (1987 and newer), 4/5/6 HP FourStroke, 225 EFI FourStroke, MY2005 & newer 8/9.9 HP FourStroke, MY2006 & newer 25/30 EFI FourStroke, 15/20 HP FourStroke (351cc), all Mercury/Mariner outboards of Japanese origin, and outboards from Nissan/Yamaha/Tohatsu/Honda with an 8x1.25 metric threaded gear lube fill hole.
Key Facts
Brand: Mercury Precision
Part Number: 883704K03
UPC: 745061800489
Country of Origin: US
Brand Store Category: Oils & Lubricants
Brand Store Subcategory: Accessories
Thread Conversion: 3/8-16 to metric 8x1.25
Packaged Weight: 0.05
Packaged Dimensions (L x W x H): 5.2 x 2.25 x 1.7
What’s Included
Pump Adapter: 1x Mercury gear lube pump adapter (883704K03)
Service Notes
Confirm your gear lube fill hole requires metric 8x1.25 threads before ordering.
This adapter is intended to convert a gear lube pump tube with a 3/8-16 threaded end to the metric 8x1.25 fill opening.
Follow your engine manufacturer’s procedure for gear lube service and inspect sealing surfaces for damage before filling.