SIERRA Contact Set – 18-5139

Description

SIERRA Contact Set – 18-5139

Breaker-point contact set for Mercury and Mariner outboards using the 336-4318A2 contact assembly.

• Replacement contact set for Mercury/Mariner conventional ignition
• Two Sierra 18-5139 contact sets replace one Mercury 336-4318A2 assembly
• Also replaces Mercury 336-3948A2/A3 and 336-4318A3/A4
• Used on select 4, 4.5, 7.5, 9.8 and 20 hp Mercury outboards with conventional ignition
• Verify engine serial/model and OEM reference before installation

Specifications

• Manufacturer: Sierra
• Manufacturer Part Number: 18-5139
• Application: Mercury/Mariner outboards
• Primary OEM Reference: 336-4318A2
• Quantity Note: 2 x 18-5139 replace 1 x 336-4318A2
• UPC: 030999318367