Premium J18A J20A Main Bearing for Suzuki Engines
High-precision
steel-backed aluminum alloy
construction ensures superior load capacity and heat resistance.
Multilayer bismuth-based coating
reduces friction, extending crankshaft lifespan under extreme conditions. Engineered for
Suzuki J18A/J20A engines
, compatible with OEM part
12300-85851 M661A
for seamless replacement. Ideal for
performance tuning, engine rebuilds, or industrial machinery maintenance
. Globally sourced materials,
batch-tested for ISO durability standards
. Direct wholesale pricing—no middlemen,
bulk discounts available
.